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Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing and motion tracking, even video editing and game creation.

Free software
OS: Windows
File size: 76.7MB
Beta version
Portable version
Old versions
Version history
8.7/10
4 votes
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Screenshots

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Blender screenshot 2
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Blender screenshot 3
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Latest version

2.79b / 2.80 Beta (March 26, 2018)



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Download Blender 2.79b Windows  76.7MB  Win

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Download Blender 2.79b Portable Windows  ca 76.7MB  Win  Portable

Download Blender 2.79b Portable Windows 64-bit  ca 76.7MB  Win64  Portable

Download Blender 2.80 Beta Portable Windows  95.6MB  Win  Portable




Download old versions


Download Blender old versions



Software License

Free software / FOSS (Free download and also Free and Open Source Software)



Supported operating systems

WinWindows




Complete Version history / Release notes / Changelog


New in Blender 2.80

From an updated viewport to workspaces and dependency graphs.
Blender 2.8 brings updates all over the board.


Viewport
Up until now, the viewport was lagging behind the rest of Blender. Not anymore! Blender 2.8 brings the minimum OpenGL version to 3.3, with even newer features for compatible hardware.

The main use of this technology is Blender’s new real-time render engine: Eevee

Eevee is a fully-featured PBR (physically based-rendering) engine for real-time visualization. With advanced features such as volumetrics, screen-space reflections and refractions, soft shadows, post-processing effects such as ambient occlusion, depth of field, camera motion blur and bloom. More features to be implemented soon include subsurface scattering, object motion blur and contact shadows.
Read more






Grease Pencil
Blender’s 2D drawing capabilities have been greatly improved with 2.8. The new Grease Pencil focus is to create a more friendly interface for the 2D artist, while keeping the advantages of having a full 3D suite underneath.

Grease Pencil is no longer just a stroke, it’s now a real Blender object with huge improvements to brushes and tools.

Read more


Organization
View Layers & Collections
Gone is the limit of 20 layers per scene. Blender 2.8 introduces a new concept to organize your scene with Collections and View Layers. Read more on code.blender.org.



In order to ease the management of Collections, filtering in the Outliner has been improved. Check out the demo video.

Workspaces
Workspaces will allow users to build up their working environment for a specific task. For example there could be workspaces for modeling, sculpting, animation and motion tracking.



More Features
Dependency Graph
At the heart of Blender, the dependency graph is getting a complete overhaul. Not only delivering better performance but also allowing overrides on data in a way not possible before. Read more.

Asset Management
This long awaited feature is finally coming to the 2.8x series. Read more.

Blender 2.8 Design Document
This document is for Blender developers and other contributors to the 2.8 project. It is meant to provide focus and general agreement on technical design decisions, state the goals of 2.8 and the big picture.


New in Blender 2.79

Denoise
Get rid of render noise while preserving visual detail as well as possible.
Same render time, buttery smooth.

Read more
10 samples. No Denoise.
10 samples. With Denoise.
The Dweebs - cloud.blender.org
Filmic Color Management
A new Filmic view transform has been added, for more photorealistic results and better handling of high dynamic range.

Read more
sRGB
Filmic
Andrew Price - blenderguru.com

PBR Shader
Based on the Disney model, the principled BSDF is a new surface shader node. Combining multiple layers into a single easy to use node.

Read more

Faster OpenCL
Blender 2.79 features much faster AMD OpenCL rendering and feature parity with NVIDIA CUDA. Including support for Subsurface Scattering, Volumetrics and optimized transparent shadows.

Read more

Shadow Catcher
Combine CGI elements with real-life footage easily with the new Shadow Catcher feature for Cycles.

Any object in the scene can be a shadow catcher. Controlled by the “Shadow Catcher” option in the object settings. This option will make the object to only receive shadows in a way that it could be composed onto another image.

Read more
More Cycles Improvements
Shaders compilation is now multithreaded, a new light sampling threshold feature was added, speedups up to 20% for CPUs that support AVX2, brick textures have now smoothing and a long-waited feature: texture coordinates for point, spot and area lamps!



Modeling & Modifiers
New Modifier! Surface Deform, transfers motion from another mesh.



Plus a whole bunch of updates. Some of them are:

Displace Modifier: Multi-threading support and new Global/Local space option for X/Y/Z/XYZ directions.
Mirror Modifier: add offset for mirrored UVs.
Mesh intersect has a new Cut separate mode, keeping each side of the intersection separate without splitting faces in half.
New tool to Set custom normals from selected faces.
Improved center of mass calculation for mesh centers.
Read more

Animation
Pose library reordering and keying for selected bones only.
Better undo for frame changes.
Various small new tools and options.
Read more

Grease Pencil
New tools for interpolating between grease pencil frames.
Per-layer onion skinning, add blank frame tool, and UI improvements.
Numpad keys now work when doing sculpt sessions.
Operator to add a blank frame
Reproject Strokes option to project strokes onto geometry
UI improvements
Read more

User Interface
Application templates to define a reusable configuration
Automatic scaling for high DPI displays on Windows and Linux
Image empties now support multi-view stereo
Reorganized sequencer and UV editor panels
Custom shortcuts for keyframing and drivers
More tooltips now show the reason why the button is disabled
Add-on duplicates warning now includes paths
Read more

Alembic
Alembic import and export has been greatly improved, both in compatibility and stability.

New supported features include export of linked dupli-groups, sub-frame sampling, face-varying vertex colors, child hairs and empties.

Read more

Python API
Custom properties pointing to data-blocks like objects or materials.
Render engine add-ons can now add custom render passes.
Inserting custom items in right click menus.
Read more

Add-ons
Blender 2.79 packs a bunch of new add-ons that greatly expand Blender’s functionality, allowing you to create architectural environments using parametric windows and walls, to make beautiful skies, or even meta-rigs to animate cats and horses!


Full list of new add-ons: Dynamic Sky, Archipack, Magic UV, Mesh Edit Tools, Skinify, Display Tools, Brush Menus, Btrace, Is Key Free, Turnaround Camera, Auto Mirror, Camera Rigs, Snap Utils Line, Add Advanced Objects, Export Paper Model, Kinoraw Tools, Stored Views, Render Clay, Auto Tracker, Refine Tracking Solution, Materials Library VX, Mesh Tissue, Cell Fracture Crack It.

Several add-ons were updated as well, including Collada, POV-Ray, OBJ, Rigify, Ant Landscape, Add Curve Extra Objects, Viewport Pie Menus, Blender ID, Node Wrangler.

Read more

More Features
Video encoding settings have been simplified, along with the addition of a Constant Rate Factor (CRF) mode.
Viewport support for Object Info, Layer Weight and Fresnel shading nodes.
OpenSubdiv now supports multiple materials drawing in Cycles textured view
Duplicate Particle Systems
Rigid Body Physics: support for rotational springs with stiffness and damping
Collada improvements
Freestyle improvements
Read more
Compatibility Warning
When using add-ons in Blender 2.79 that take advantage of the new data-block pointer properties, the resulting .blend files can’t be opened in earlier versions of Blender. Attempting to open such .blend files in Blender 2.78c and earlier may crash.
Some Interface Themes may need to be reloaded to work properly.
The text color contained in a layout.box() is now defined in User Preferences » Themes » User Interface » Box section
When using the add-on Rigify, please note:
Compatibility is broken for this release. There’s no guarantee rigs created in previous Blender versions will work correctly.
Rigs created in Blender 2.78 may not be compatible with 2.79.
Rigs created in Blender 2.77 may still work.
Save your work before attempting upgrading your rigs.
Bug Fixes
As for every Blender release, hundreds of bugs were fixed, thanks to the hardworking Blender developers.

Total fixed bugs: 739 (382 from tracker, 357 reported/found by other ways).
https://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.79/Bug_Fixes


Blender 2.78b Release Notes

Blender 2.78b is a performance update release which mainly includes speedups for Cycles rendering.

Cycles
Multithreaded shader compilation.
Various optimizations for emission meshes.
Corrected light sampling for Branched Path Tracing, reduces noise leading to faster convergency.
Improvements in constant folding algorithm, removing shading nodes which are not used for final evaluaiton.
Improvements to some procedural textures (brick)
Early light ray termination based on contribution of light to the result.
Fix for background MIS with textures having small bright spots, which was causing fireflies.
Different seed for subframes and different stereo views, allowing "slow-motion" effect and improves VR experience.
Distance culling for objects to remove objects which are too far away from the camera.
Fix for undesirable threads affinity change on Windows.
Avoid various numerical issues in the kernel, solving fireflies.
Fixes for deformation motion blur combined with autosplit.
Better remainedtime estimation.
Various optimizations for deformation motion blur.
Added time steps BVH option to speed up rendering of scenes with motion blur.
Cycles: GPU
Use XDG folder for cache on Linux and OSX, which avoids having per-Blender version folder with all the OpenCL/CUDA kernels built.
Ability to enable/disable individual GPUs as opposite to old behavior with pre-defined combinations only. Not only this helps to some artists, but also makes it possible to have flexible benchmark scripting.
Cycles: CPU
Use more global SSE optimizations for SSE4.1+ kernels.
Multiple improvements for the latest AVX2 CPUS:
Optimized various math utilities (cross-products, dot-products, min-axis-selection and others).
Faster version of triangle intersection function.
Optimization of various steps in BVH traversal algorithm (including both construction and traversal).
Cycles: OpenCL
Added 3D textures support for OpenCL
Make it conditional to compile-in transparent shadows support. Depending on a scene and hardware gives really major render time improvements.
Dependency graph
Solve various race conditions (conflicts between threads which are working on the same data).
Optimization of dependency graph construction time.
Fix missing or wrong relation links, which were causing hard-to-reproduce bone flickering.
Fix various crashes related on linked data blocks.
Fixes for missing animation updates.
Other
Fixed regression crash when adding texture node to compositor.
Fixed crash of inverse kinematics on 32 bit Windows platforms
Improve multi-threaded usage of fluid simulation
Return correct alpha for environment map in GLSL


Blender 2.78 Release Logs

The Blender Foundation and online developer community are proud to present Blender 2.78, released September 30th 2016! This release aims to be a very stable one, so that developers can focus better on Blender 2.8 work. Here are some of the highlights:
Spherical Stereo images rendering support for VR
Grease Pencil is now a full 2D drawing & animation tool!
Viewport Rendering improvements
New Freehand curves drawing over surfaces!
Bendy Bones, powerful new options for B-Bones
Alembic support: import/export basic operators
Cloth Physics: new Dynamic Base Mesh and Simulation Speed option
New Add-ons, individual preferences, Python APIs changes, and a lot of new & updated add-ons!
Many more features, improvements and the usual huge bug-fixes list
Download Blender 2.78
What's new in Blender 2.78
Cycles Micro-displacement - themantissa.net
Cycles Render Engine
Optimizations: Several memory savings & speedups, support for CPU groups
GPU rendering: support for GTX NVIDIA 10×0, improved support for GTX 980 Ti and Titan X, memory improvements for CUDA & OpenCL
Better Subdivision & Micro Displacement experimental feature improved
Smoke volume support for Velocity and Heat attributes
Fluid simulation mesh support for motion blur and motion vectors
Point Density textures now support vertex color, weight and normals
Caminandes VR - cloud.blender.org
Spherical Stereo VR
Cycles now supports rendering spherical stereo images for VR. Including support for pole merging to reduce artifacts when looking straight up or down.

Watch the Caminandes VR demo, by Blender Institute and the Google VR team.

Bump on the viewport - cloud.blender.org
Viewport & Render
The Cycles viewport ‘rendered’ mode now supports more shading nodes and options.

All procedural textures, vertex color GLSL shading, and all projection methods for Image Texture are now supported
Bump mapping support in the viewport (image above)
The Blender GLSL viewport now supports more shading features to match the final render:

Environment lighting using the Sky Color and White modes
Environment map texture reflection with nodes, mirror environment texture influence
Normal Map node from Cycles and multiple tangent spaces
Moreover: Blender Render shading can now be computed in world space rather than camera space, and the stamp metadata feature now supports hiding the labels to save space.

New Freehand Curve Drawing tool
Modeling
New freehand curve drawing tool uses curve fitting for bezier curves, with error and corner angle options, support for tablet pressure, drawing aligned or perpendicular to a surface, tapering, redo operator and calling from Python.

But wait, there’s more!

Edit-mode undo memory optimizations, allowing around 5X-15X memory savings
New N-Gons support for decimate modifier with double precision optimizations
New decimate edit-mode tool and dissolve tool to remove vertices re-fitting surrounding handles
Path select can now also select regions using the Fill Region option
New “Snap Selection to Active” option
New options for bevel modal operations, to change the profile (bevel shape) or number of segments, with mouse movements or numeric input to set the value
Bendy Bones - pepeland.com
Animation & Rigging
Bendy Bones – Advanced B-Bones for Easier + Simple Rigging. Shapes can now be controlled directly using a series of properties. Define a “curved rest pose” for the bone, and use custom bones as their reference bone handles.

Other:

Drivers: new “eyedropper” tool for easier setup and keyframing control
Sorting on Animation Editors: Alphabetical sort option, Fuzzy/Multi-Word name filtering
Dope Sheet Editor: Lasso/Circle Select tools improved
Graph Editor: improvements to keyframing mouse command, and Properties Region
NLA Editor: position of action-local markers is now drawn on strips
F-Modifiers: new dropdown to select type
Keyframes inserting improved, new Moving Hold keyframe type
Rigging: bone constraint target improved, new menu operators to apply delta or normal transforms
Cycles Material View & Render Overlay - cloud.blender.org
User Interface
Render border is now compatible with cached render results (image above), save buffers and full sample anti-aliasing, camera frame.

Other:

Operator search now shows categories and supports multi word filtering
Radial operator (brush size/strength) better displays tool name, current value and precision
More precise snapping editing for the UV editor
New extra waveform visualization for image editor
New eyedropper commands and shortcuts to cancel and reset
New command line option to render multiple frames, ranges or both
Hotplug support for xinput (X11)
Grease Pencil New Brushes - pepeland.com
Grease Pencil
Huge changes done in this release allow Blender to work in a way similar to other 2D drawing software, and to get a production ready 2D animation tool that can mix 2D drawings with 3D objects and composition.

The draw thickness was moved to stroke, and color to a new palette color instead of saving this information per layer. Now, the layer is only a container, and strokes can use different color, strength and thickness in the same layer.

With the new design, the brush is independent and it allows create brushes that simulate different types of pencils.

Other changes:

Layer, Palette, Drawing brushes, Curves panels changed to fit the new design
New Arrange strokes, Palette workflow, Stroke Quality Improvements operators
Parent Grease Pencil strokes to objects
New features such as support for Compositing, Sculpt strokes and editing tools
Re-project Strokes: allows fixing the 3D cursor for precise drawing
Houdini Simulation in Blender - alexanders-artwork.com
Alembic
Brand new basic Alembic support through import and export operators, and data streaming through cache constraints and modifiers.

Import– reads an Alembic archive and creates objects in the current Blender scene, supporting Camera, Curve, Empty, Mesh, Point object types
Export– creates an Alembic archive supporting Camera, Curve, Hair, Mesh, NURBS, Particles object types
New Cache File Datablock – stores various properties related to cache files, to help keeping modifiers and constraints referencing Alembic archives in sync
New Mesh Sequence Cache modifier supports meshes and curves data animations, file sequences
New Transform Cache constraint, allows to stream animations made at the transformation matrix level
Archimesh add-on - github.com/antonioya
Add-ons
New Add-ons

Blender ID Authentication, Archimesh, MeasureIt, Bone Selection Sets, Object Boolean Tools, Carver, Mesh Tiny Cad, 3d Viewport Pie Menus, Modifier Tools, Oscurart Tools, Materials Utils/Conversion.

Updated Add-ons

3D View Navigation, ANT Landscape, Dynamic Space-bar Menu, Mesh Extra Objects, Node Wrangler, Object Cloud Gen, Pie Menus, Sapling Tree Gen, Add Curve Extra Objects, POV-Ray exporter.

Moreover, several changes and improvements have been done to the Python API.

Blender ID
The Blender ID is a unified login system that will give you access to Blender Foundation and Blender Institute web platforms.

Blender 2.78 features the official Blender ID add-on, which allows you to be logged-in within Blender so that other (3rd party) add-ons can provide you with a more tailored experience. For example, with the Blender Cloud add-on you will be able to synchronize your preferences across multiple workstations.

2D Stabilization Improvements
More Features
Sculpting/painting: sculpt edit-mesh memory savings, improvements on Blur-Brush smoothing, vertex/weight painting, Hair Painting and Texture Painting speedup of projection and 2D painting

More:

New vertical alignment options for Text objects
Better CPU Threading Handling and Undo Memory Usage optimizations
2D Stabilization improvements
Dynamic Base Mesh: new option allows animating the rest shape of cloth using shape keys or modifiers above the Cloth modifier
Simulation Speed: it is now possible to adjust how quickly time flows for the cloth simulation, using a new Speed option
Particles & Soft Body: like other physics systems, a group can now be used to specify a set of collision objects
Sequencer sound strips now either show the waveform or the strip name/file name/duration, but never both
Datablock Remapping: new ‘ID remapping’ feature to replace a given datablock by another
Bug Fixes
As for every release, 100s of bugs were fixed thanks to the hard-working developers that help voluntarily and sponsored by the Development Fund.


Blender 2.77a: Bug Fixes
For 2.77a many fixes for OpenGL display and simulation were made, as well as various fixes to rendering, sequencer and modeling. This bugfix release also solved some regressions in the particle system.
https://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.77/Bug_Fixes#Blender_2.77a:_Bug_Fixes


What's new in Blender 2.77

Cycles Rendering
Improved Subsurface Scattering, and faster SSS on GPUs.
Smoke/Fire and Point Density support on GPU.
Customizable motion blur position, support for rolling shutter.
Custom baking passes.
Performance optimizations for large node shaders.
Improved default settings.
User Interface
Viewport: limit and mist indicator improvements, NumPad4/6 keys rotation type change
OpenGL Rendering: faster and higher quality Anti-Aliasing
File Browser: simple “file dropper”, to simply drag & drop files into the blender file browser
Updated Some Shortcuts
Word wrap support for tool-tips, render-stamp, frame-node
Other minor improvements
Modeling
Decimate modifier is now symmetry aware.

New Edit-mode boolean tool, useful to quickly perform edits

Selection tools got several improvements: face stepping option, checker select, next/previous, multiple axis mirror.

Option to get a default UV-unwrapping of new geometry added.

Other small improvements: triangulate & poke, grid-fill non uniform grids, hole support for intersect tool, split-by-edges tool

Sequencer
Strip Modifiers: added white balance and tone map strip modifier, it is now possible to append strip’s modifiers to all selected ones

Effects: speedup of Gaussian Blur effect

Strips

Importing new movie strips now uses movieclip framerate
Masks now can be both relative to strip and absolute to scene time
Nested scene strip support, word wrapped sequencer text
OpenGL previews Scene strips now respect the “Alpha Mode”
Sculpting/Painting
Improvements to snake-hook to drag out long extruded segments, and rotate the snake-hook brush using the new rake option.

Weight Painting

Better Auto-Normalize behaviour
Better Multi-Paint behaviour
Vertex Painting: Orbit last stroke support

Animation
Constraints: added new method to interpolate based on “Polar decomposition”.

Graph Editor: “Cursor X” property now allows fractional values when working with Drivers, added options to insert keyframes at the cursor point

Dope Sheet: better frame range for new editor instances

Armatures: selection now supports selecting children, immediate children and siblings, added options to draw custom shape scale

Motion Paths: Clear Paths operator now acts on all objects/bones, Update Paths button is now shown in the toolbar too

Grease Pencil
Highlights include:

Stroke Sculpting
A proper “Edit Mode” in the 3D View
Recoded eraser with pressure sensitivity
An operator to restrict editing to the active layer only (Isolate Layer)
Transform Manipulator support
Animation editing improvements including Copy/Paste and more advanced channel filtering
… and many more UI tweaks
Datablocks & Libraries Management
Library Handling

In case of missing libraries on load, empty placeholder datablocks get added, which allows to restore or relink.
Missing libraries & linked datablocks are now shown in the Outliner with a small “broken lib” icon.
Deleting Libraries: you can now ‘delete’ a whole library, with all its linked datablocks
Game Engine
Adding a Max Jumps value to the character physics

Screenshot Actuator: the new screenshot mode can be found in the game actuator.

Saving screenshot done in different thread (please read the compatibility issues).

Add-ons
New Add-on: Blend File Utils, supports packing blend files including all their libraries and dependencies into a self contained ZIP file

Updated Add-ons:

OBJ IO: added limited support for MTL texture mapping options
X3D/VRML IO: expanded to support a larger subset of the standar
Python:

the python library was upgraded to 3.5.1 which brings some changes for Add-on and script writers.
all API load functions now have a check_existing argument that defaults to false
New Module: gpu.offscreen, exposes the capability of handling offscreen drawing.
Removed: GreasePencil.draw_mode, as a result of Grease Pencil changes.
More Features
OpenVDB caching: smoke/volumetric simulations can now be cached using OpenVDB as a back-end

Better threading handling: Blender is now massively multi-threaded

Compositing: new invert option to the 2D stabilization node, use mask name as mask node label, expose track velocity as an output of Track Position node, new option to extend image bounds when blurring

Image Editor: now allows visualizing individual R,G and B channels

Cubemap: world textures are now supported in the Blender Internal engine 3D viewport

Spotlights: now they can be scaled on one or several axis (Rectangle and ellipse shapes).

Feature Videos
Compositor Improvements
Compositor 2D motion vector
Grease Pencil Stroke Sculpting
Grease Pencil Clone Brush
Grease Pencil Additive Drawing
Platform/System Changes
Removed support for Windows XP.
Blender now uses Python 3.5.1.
Removed the SCons build system.
Removed redcode library in favor of using ffmpeg which now supports redcode.
Bug Fixes
As for every Blender release, hundreds of bugs were fixed, thanks to the hardworking Blender developers.


Blender 2.76 Release Notes

In this release:

Initial support for Pixar's OpenSubdiv geometry subdivision technology.
A huge view-port performance boost.
Big file browser performance boost and arrow keys navigation support.
Node Auto-offset feature that helps organizing node layouts.
Absolute grid snapping in the 3D view.
Sculpting with tiled strokes.
Text effect strips for the sequencer, supporting subtitle export.
And: 100s of bug fixes and other improvements!

Cycles Rendering
Pointdensity.demo.01.png
New Point Density texture.
Improvements for AMD GPUs (stability on Windows / Linux and compatibility with OSX El Capitan).
Camera zoom motion blur support.
Support for extended and clipped image texture extension.

User Interface
Nodes insert offset.jpg
View-port: The ongoing view-port project brought a big performance boost.
Node Editor: Auto-offset existing nodes when adding a new one.
File Browser:
Arrow-key navigation and selection.
Huge rework of internal code, now quicker & lighter.
It's now possible to display the correct (user edited) shortcuts of modal operations in the UI.

Modeling
252 edge offset 01.png
Two new tools: Flatten Faces and Edge Offset.
Data Transfer supports transferring data between equal meshes better.
Absolute grid snapping for the 3D view was added.
Support custom normals for the Displace Modifier.

OpenSubdiv
Initial integration of the Pixar OpenSubdiv library.
Greatly improves view-port playback performance.
GPU tessellation support.
Improves edge sharpness.

Sequencer
Text seq rel276.png
New Text Effect for rendering text into sequencer output.
Exporting of text as subtitles.
Speed Effect can re-time scenes with subframe rendering.
Improved AltRMB Template-RMB.png selection behavior.

Freestyle NPR Rendering
Rl freestyle strokes.png
Freestyle memory consumption was reduced.
New stroke modifiers were implemented.

Animation
SelectionSet release276.png
Clean Channels tool was introduced that helps organizing channels.
A new add-on to create bone selection sets is bundled.

Game Engine
BGE-camera-shift.png
Possibility of changing camera Lens Shift during game
Python API improvements.
Alpha Anti-Aliasing.
Improved Game Publishing Add-on.

Add-ons
FBX Importer/Exporter got a number of new options.
OBJ Importer/Exporter now fully supports MTL emission of materials.
New version of the UV Add-on with new features.
More Features
Tilled sculpt strokes.
Animation Player:
Sound support!
Pause and start playing using Space.
A time indicator was added.
More datablock previews.
Blender Internal Particle Info Node.
Feature Videos
SneakPeek.png
Have a look at some of the above mentioned features in the demo videos made by the Blender community.

Here you will also find the Developer Sneak Peak series - a video podcast series that showcases important milestones in the development of every Blender release.


Bug Fixes
As for every Blender release, hundreds of bugs were fixed, thanks to the hardworking Blender developers.

Bugs fixed between RC1 and RC2.
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.76/Bug_Fixes#RC2
Bugs fixed between RC2 and RC3.
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.76/Bug_Fixes#RC3
Bugs fixed between RC3 and Release.
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.76/Bug_Fixes#Release
Bug fixed between 2.76a and 2.76b
http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.76/Bug_Fixes#Blender_2.76b:_Bug_Fixes


Blender 2.75a: Bug Fixes

The two main fixes to know for this release are:

Game Engine would crash for Objects using velocity clamping
Browsing render passes in Blender crashed.
The more technical info:

Changes from revision 295d0c52a26730edc6d4ed1276e4051cce006be5 to 5af1daa2dc85adcabc057c1f28ca29163fae3d00, inclusive (master branch).

Fix T45234: Stereo Parallel vs. Off-Axis (rB3d12d4b)
Fix T45269: Crash velocity clamping on static objects (rBdb8ccc1)
Fix T45281: IOR Value Slider with "Ctrl" modifier does not increment as intended (rBc503d17)
Fix T45290: Selecting passes in image editor does no longer work (rB6a132aa)
Fix T45237: Dither does not work (rB93608e4)
Fix T45331: Bevel regression (rB791b5fe)
Fix vertex-slide regression with rotated objects (rBc702dab)
Fix vertex-slide helper-line scale (rB51e9a81)
Fix Multi-View UI: convergence is only useless for the parallel camera (toe-in still uses it) (rB80f344f)
Fix Keyframe indicators for NLA Strip properties fails if the AnimData has an active action (rBd96842b)
Correct --help message (rBd3709f4)


What's new in Blender 2.75

Multi-View and Stereo 3D
Real-time visualization of stereoscopic effect
Viewport feedback of stereoscopy cameras, convergence and volumes
Camera stereo settings (pivot, convergence, …)
Render of multiple views
Integration with Compositor and Video Sequencer
Cycles Rendering
Initial support for rendering with AMD GPUs was added
New Light Portals for improving environment light sampling were added
Several Performance and Memory optimizations
Animated Seed is now a built-in feature
Panorama: New Mirror Ball projection mode
User Interface
Viewport:

Depth of Field got an option for high quality display
File Browser:

Ability to display font previews
The size for thumbnails can now be changed
Other:

Search buttons for choosing an object now display an eyedropper icon
Opening/Closing multiple panels is now possible by click-dragging over them
Modeling
A new Corrective Smooth modifier for smoothing deformed areas
Decimate modifier was improved
Great performance boost for Metaball calculations
Tools:

New split off options for the Rip Tool
Un-clamped Edge Slide sliding
More even Subdivide Smooth output
Selection:

Checker de-select now has the option to skip steps
Improved Select Linked options and support
Sculpting/Painting
Symmetry painting support for texture painting in 3D viewport
Dynamic topology distribution was greatly improved
New dynamic topology detail mode
Improved crease brush
And more!
Sequencer
A new “Use Placeholder” option that automatically replaces missing frames of image sequences
Proxies:

Support for storing multiple proxies one custom directory
Option to store proxies per strip or per project
Animation
The new Dependency Graph has landed! (Disabled by default) This is the base needed for developing loads of neat features in the future
Action Management: New features and updates to flesh out the planned workflow enhancements
Action Editor: New features for unlinking Actions and to prevent unwanted/unintentional loss of data
NLA: Name based filtering of animation channels
Grease Pencil: Quite a few “minor” Grease Pencil improvements
Rigging: A new “Armature Symmetrize” and a “Fill Bones” tool were added
Game Engine
New hysteresis parameter for smoother transitions between LODs
Material and World mist attributes now support animation
Debug drawing of Sun Lamps shadow range
Improved collision masks and groups
Replication of rigid body joint constraints for group instances
Python API improvements with subclassing, new options and methods
Over 40 bug fixes (see list).
Add-ons
A new “UI Previews” API for requesting and displaying image files in the UI as custom icons
The “Add Mesh Extra Objects” add-on got a big update
The Collada exporter can now export custom normals
The Python executable is now included with official Blender releases to support multi-threaded script access (better)
Node Wrangler:

Rewritten ‘Align Nodes’ function
Nodes are now spaced evenly and consistently
More Features
OpenEXR format: added support for saving to Dreamworks DWA format and B44 codec
Simplify: We can now split settings for Viewport & Render individually
Better Image metadata support and display:

Blender now will always attach metadata on output rendered image files
This metadata can now be displayed in Image Editor, Sequencer and Movie Clip Editor without having to influence the rendered image by using the “Stamp” feature
The “Stamp” feature is now an option for metadata display
Feature Videos
Have a look at some of the above mentioned features in the demo videos made by the Blender community. Here you will also find the Developer Sneak Peak series – a video podcast series that showcases important milestones in the development of every Blender release.

Bug Fixes
As for every Blender release, hundreds of bugs were fixed, thanks to the hardworking Blender developers.

Re-Designs
The Baking-API now uses an object_id in the bake() function and in the pixel_array table.


Blender 2.74 Release Notes

The Blender Foundation and online developer community is proud to present Blender 2.74!

Splash 274.png
Cycles got a few optimizations, a new "Pointiness" attribute and objects can now use the texture maps from other objects, the Viewport is now able to display Ambient Occlusion and Depth of Field, the Outliner was improved in quite some ways, it is now possible to edit normals, the Hair tools developed for the Gooseberry Project are now available (including improved hair dynamics, child hair modifiers and various interaction tools), texture painting can now be done using Cavity Masks, Freestyle memory consumption was greatly improved, the Grease Pencil rewrite from Blender 2.73 was continued to make more editing tools available, improvements for animation interaction and many more features which are worth checking out!

Blender3D FreeTip.gifRelease Candidate 4
Download Blender 2.74 RC4: http://download.blender.org/release/Blender2.74
Report a bug: https://developer.blender.org/



Cycles Rendering
Rl pointiness.png
Several improvements for BVH like making it watertight, solving several precision issues and reducing noise
Optimizations:
Black world backgrounds are now removed from the shader graph, resulting in great speed improvements
Various (and great!) memory optimizations
...
Nodes:
New Pointiness attribute for the Geometry node
Control texture space of one object by another
...
And more!

User Interface
Viewport FX release notes.png
New Viewport Compositing brings Ambient Occlusion and Depth of Field right into the Viewport!
View-depth can now be picked using an Eyedropper
Outliner:
An Orphaned Data-blocks Mode was added for data-block management
Deleting of entire object hierarchies
Drag&Drop objects to groups
...
The Node Editor can now show text-blocks in frames
Customizable camera safe areas
And more!

Modeling
Custom normals with transfer data rings.png
Support for Custom Normals was added
Transferring data layers between meshes is now possible thanks to a new Mesh Data Transfer operator and modifier
Tools:
UV handling for Edge- and Vertex Slide was improved
Inverse-square blending for proportional-edit-mode
"Fit Camera View" now works for orthographic cameras as well
A "Split Concave Faces" tool to ensure a convex geometry was added
...
And more!

Particles
07 shape cut AFTER.png
Hair dynamics and editing tools were improved massively:
Support for hair collission with meshes
Simulation now happens using volumetric calculations for more realistic results
Strand bending uses a more realistic approach
Controlling of child hair shapes using curve widgets
New "Spiral" kink mode to generate spirals at hair ends
Toggle buttons for render and viewport visibility were added to the particle settings in the Properties Editor
And much more!

Sculpting/Painting
Release notes cavity.png
Brushes/Strokes:
Improvements to rake and random mapping
Line strokes now support constrains to 45 degree increments
Texture Painting:
Support for dithering for painting on byte images
A new tool "Cavity Mask" was added that creates masks based on mesh cavities or hills
And more!

Freestyle NPR Rendering
Blender 274 Freestyle BNPR NY2015.png
A great memory consumption optimization in stroke rendering was done
And more!

Animation
Rl anim.png
Grease Pencil:
New Editing tools like copy & paste strokes, duplicating active layer, ...
Enable eraser on the fly while drawing with "Continuous Drawing"
Various UI tweaks such as color swatches for Stroke and Fill colors
Grease Pencil data layers are now shown in the Outliner
...
Improvements to the action management to reduce the cases where unused actions are deleted
Pasting keyframes can now be done flipped
Using a new "Follow" option, the animation editors can now follow the time indicator
And more!

Game Engine
Physics:
The first contact point of colliding can now be accessed from Python
Usability improvements
New option "Lock Z Velocity" to avoid micro-jumping
And more!


Add-ons
A new Auto Tile Size Add-on helps setting up the fastest tile size for Cycles rendering
Import images as planes now works for Cycles as well
POV-Ray Renderer now supports volumetric rendering
FBX and OBJ now support custom normals import
New Python API functions
And more!

More Features
There are a lot more features that are new in Blender 2.74, so make sure to check them out!


Feature Videos
Have a look at some of the above mentioned features in the demo videos made by the Blender community. Here you will also find the Developer Sneak Peak series - a video podcast series that showcases important milestones in the development of every Blender release.
Bug Fixes
As for every Blender release, hundreds of bugs were fixed, thanks to the hardworking Blender developers.


Blender 2.73a: Bug Fixes

Fix invalid memory access in gradient brushes - could cause a crash in. (ae18fd5)
Revert "Fix T40257: Frustum culling not working properly". (4fac29c)
Fix T40257: Frustum culling not working properly. (8ebb552)
Fix crash in texture paint sampling when sampling materials without. (def2ef8)
Fix gtest linking on ubuntu and do minor cleanup. (e02af84)
Fix for GTest. (73955e2)
Fix texture sampling with generative modifiers - sample backbuffer. (b996871)
Fix for regression in bmesh connect-pair. (dec523d)
Fix T43204: Shrinkwrap constraint, project mode: Space ignored in bone case. (599c8a2)
Fix T43208 material flickering in edit mode. (1864253)
Fix typo in OCIO configuration file. (9d02e26)
Fix OpenGL Context freeing. (301433f)
Fix BMesh regression: behavior for select more/less. (dcd662c)
Fix T43229: Knife-project regression (broke knife-project). (b77dd13)
Fix T43156: Cycles incorrect final render, proper viewport with moblur disabled. (3f0113b)
SDL wrangler: Support loading SDL2 libraries of different names. (653c6f2)
Sequencer: Don't crash when trying to rebuild proxy without having sequence edits. (1994e84)
Fix T43301: Three of the 'mirror keyframes' tools were mirroring along wrong axis. (6e97db7)
Fix own error in freestyle api. (704494e)
Bugfix T43293: Crash when editing shared GPencil datablock in VSE. (32ffc63)
Fix for security issue loading blend's. (45dfb3b)
Fix T43311: using displacement shader crashes blender. (7fd4c44)
Fix error in freestyle api. (967f93d)


Blender 2.73 Release Notes

The Blender Foundation and online developer community is proud to present Blender 2.73!

A major upgrade was given to the Grease Pencil tool, which inter alia brought the ability to edit and animate strokes. The first developments from the Gooseberry Project like a Sequencer Backdrop, Cycles viewport world background and others were added. Cycles got various improvements and speedups, as well as support for cameras inside volumes, the UI got a new 'minimalistic' fullscreenmode and Input Method Editor support for textbuttons (used for complex Chinese and Japanese character input), the Knife-tool was improved, Freestyle got a SVG exporter, and many more features which are worth checking out!



Cycles Rendering
Rl cycles.png
Volume Rendering:
Rendering with cameras inside volume meshes is now supported
Cubic voxels interpolation is a new option helping to avoid artifacts on low resolution smoke simulations
Faster rendering of homogeneous volumes
Support for GeForce 9xx GPUs
Improved rendering with area lights
Viewport specularity for the viewport is now also implemented for Cycles
And more!

User Interface
Rl cycles world bg.png
A new fullscreen mode without any buttons or other "annoying" elements to improve the UI
The 3D View got an option to display the world background right from the viewport
Pie Menus:
Confirm Threshold to confirm a pie menu without releasing the original key
Nested Pie Menus (a Pie Menu within a Pie Menu) are now supported

Complex char.png
Chinese and Japanese complex character input:
General support for Input Method Editors (IMEs) has been added
Only supported for text buttons for now
Only supported on Windows and Linux for now
Supported is Sougou (Chinese), Bing (Chinese), QQ (Chinese) and Microsoft integrated (Japanese)
And now guess why we have a Chinese Splash! ;)
And more!

Modeling
Rl knife tool.png
Knife-tool:
Cuts can now be created using free-hand drawing
Cut-loops can now be closed by double click
Selection:
A new selection method "Select Similar Regions" was added
You can now skip adjacent faces while using the select more/less function
And more!

Sculpting/Painting
Rl sculpt2.png
Texture Painting:
The Add Simple Uvs operator for texture painting now uses a simpler unwrap method for better quick UV layouts
Face-mask edges are now hidden to give proper visual feedback while working with masks
Brushes:
Changing brush size, detail size and strength can now be done using numeric keyboard input
Brush strength can now also be changed for Grab and Snake Hook brushes

Sequencer
Release notes sequencer.png
A Backdrop similar to Compositor is now implemented for the Sequencer as well
Strips:
Strips can now be snapped to other strip's start- and endpoints
A new slip Tool allows moving content within the strip itself
And more!

Freestyle NPR Rendering
Blender 273 Tomo final.png
Freestyle got a new SVG exporter, implemented as an add-on
View maps can now be cached
More options for chain selection and chain sorting were added


Animation
Rl gpencil.png
Grease Pencil (which got a major upgrade):
It is now possible to edit and animate strokes (!!!)
New draw styles were added, e.g. filled stroke interiors, volumetric strokes, ...
The Grease Pencil's user interface (which is now completely defined via Python) has gotten a general overhaul
Two quick access pie menus were added
Graph Editor:
Revised the set of operators for showing/hiding curves from the keyframe area
Circle selection for Curves was added
And more!

Add-ons
Collada Importer:
Importing rigs previously caused problems with leaf bones (end bone of a bone chain) so a fix was created for that.
Added an experimental bonechain Finder to predict the longest possible chains of connected bones.
The FBX Add-on now uses some advanced handling/tweaking options for importing and exporting armatures
The Copy and Paste Add-on is now using version 2.0
To Add-on developers: Some changes were made to the Python API, make sure to check them out and update your Add-ons if necessary!


More Features
There are a lot more features that are new in Blender 2.73, so make sure to check them out!


Feature Videos
Look at many of the above features in the Blender Developer Sneak Peeks - a video podcast series that showcases important milestones in the development of every Blender release.


Bug Fixes
As for every Blender release, hundreds of bugs were fixed, thanks to the hardworking Blender developers.


Blender 2.73 Release Notes

Work in progress release notes for Blender 2.73. You can download a test build with these improvements here: https://builder.blender.org/download/
List of missing notes: http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.73/missing
Cycles Rendering
Blender 273 cycles area light.png
Quite a few smaller Cycles improvements are new in Blender 2.73. E.g. support for cameras inside volumes and cubic voxels interpolations, faster rendering of volumes, improved rendering of area lights, viewport specularity,... And we now also support GeForce 9xx GPUs!


User Interface
Rl cycles world bg.png
A new Fullscreen mode displays an environment without any buttons or other "annoying" user interface elements. A number of Input Method Editors (IMEs) are now supported for complex non-latin character input (widely used in east-Asia). Pie menu interaction has been improved by using a confirm threshold and they now can contain nested Pie Menus. The 3D View, which is also a part of the UI, now has the option to display the world background, right from the viewport. Besides from that, there were lots of smaller improvements made.


Modeling
Dev:Ref/Release_Notes/2.73/Modeling
The Knife-tool now allows freehand cuts drawing and closing of cut-loops via double clicking. Selection during modeling has been improved by adding the ability to select similar regions, plus the select more/less function has gotten the option to skip adjacent faces. A few other improvements were made, like for the Bevel Modifier, Shapekeys,...


Blender 2.72b

http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.72/Bug_Fixes#Blender_2.72b:_Bug_Fixes


Blender 2.72a

http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.72/Bug_Fixes#Blender_2.72a:_Bug_Fixes


Blender 2.72 Release Notes

The Blender Foundation and online developer community is proud to present Blender 2.72. Cycles GPU rendering supports Volume and Subsurface Scattering now. The User Interface comes with optional Pie Menus now and the Tooltips have been improved. For Modeling, a new intersection tool has been added in Edit Mode. Texture painting workflow has been streamlined with easy access to painted images and UV layers. The Compositor now comes with a Sun Beam node. Freestyle NPR rendering is now available with Cycles as well. Additionally, Blender 2.72 features three new addons.

Cycles Rendering
Blender 272 cycles scatter visibility.jpg
Volume rendering and Subsurface Scattering are available on GPU, Volume and Glossy sampling was improved, new Ashikhmin-Shirley distribution for Glossy and Anisotropic BSDFs, memory usage during rendering was lowered, faster OSL rendering, Anamorphic Bokeh support, and better control over caustics.


User Interface
Pie menu manual.png
The long awaited pie menus are available as an addon for ⇆ Tab, Z, Q, ⇆ Tab⇧ ShiftCtrl, ., CtrlSpace operators. New Tooltip design makes important information more noticeable. Python text is displayed in a monospaced font. Blender Internal preview now behaves like the Cycles preview, it starts rendering at low resolution and improves from there. Improved units parsing, even though devs claim Blender not to feature a units engine it does a better job now.


Modeling
Editmesh intersect.png
A new intersection tool was added, to quickly cut up geometry. It's a bit like boolean but not calculating interior/exterior.

The Bevel Tool and the Bevel Modifier now have the option to set the material of the newly created faces to the material in a given slot.


Sculpting/Painting
Paint tools layers 272.png
Texture painting workflow has been streamlined with easy access to painted images and UV layers, ability to generate strokes with curves and lines has been added, more blend modes are available and new tools to fill and mask have been added.


Compositing
Sunbeams usage.png
A new Sun Beams node has been added to the compositor.


Game Development
Manual gameengine actuator mouse look.png
A new Mouse Actuator allowing between other things to do mouse look has been added.
The Property Sensor has new evaluation types.
The TrackTo Actuator has new menus to select up/track axis.
The Property Actuator has a new level mode.
The Mouse Over Any Sensor has a new X-Ray and Property/Material detection options.
A new BGE Debug and Contrainst Wrapper API have been added.

Freestyle NPR Rendering
Blender 272 textured strokes in cycles ui excerpt.png
The Freestyle line rendering engine has been integrated into Cycles in addition to the Blender Internal (BI). Freestyle provides Cycles users with a versatile non-photorealistic (NPR) line rendering solution. Most Freestyle options work in the same way for both Cycles and BI. Line textures in Freestyle for Cycles are defined by means of shader nodes (unlike Freestyle for BI, which relies on the conventional texture mapping and influence panels). New per-material Freestyle line settings provide a reliable mean to specify line colors applicable to both Cycles and the BI. The Freestyle Python API also has user-visible updates for better code readability and run-time performance.


Animation
More Features
Hue ramps.png
Color ramps now support color interpolation in hue mode both clock- and counter-clock-wise. CtrlF in animation editors now works as a shortcut for activating the Filter by Name functionality. Weights now draw in wireframe mode in the 3D view. Temporary data gets deleted when closing Blender. The video editor got enhanced by a gaussian blur filter. New camera presets: Blackmagic Pocket Cinema and Blackmagic Production 4K.


Addons
Georef 2.png
FBX improvements: Import now supports armatures, shapekeys, animations, with shapekeys also being supported for export.

New DXF importer with support for 3D(SubD) geometry, and geo-referencing. It imports curve types as curves and adds control over various geometry merge options.

New UV addon for align distribution and copy/paste (!!) of UVs.

New Game Publishing Addon is available for game developers!

New addon for named layers & grouped layer management.


Blender 2.71 Release Notes

The Blender Foundation and online developer community is proud to present Blender 2.71. Much awaited new features for Cycles renderer include deformation motion blur, fire/smoke and volume rendering and a baking API. User interface now allows for draggable popups and resizable preview widgets. Animation has new interpolation types with “easing equations” presets. Modeling now allows to “split normals” and Sculpting/Painting has new HSL color wheel and constant detail in dyntopo. Game development now allows deactivating logic bricks, multi-threaded animations, cast only materials and “unlimited” action layers. Freestyle NPR rendering has a new textured strokes feature, along with line sorting options.

Cycles Rendering
Blender-2.71-cycles-smoke.png
Cycles now includes support for rendering volume textures, fire and smoke, deformation motion blur, baking textures from cycles materials, more texture interpolation modes and a dedicated UV layer node.


Animation
271-fcurve easing equations.png
More easing equations added to the IPO editor for better animation control, locking time to other windows is again possible, auto snapping is now independent from display type.

The user interface now offers more feedback, especially on errors, updates driver expressions automatically on editing, includes more icons and offers more editing tools.

New tools also include lasso selection support, non-linked duplication for strips, and setting preview range based on selected strips.

Modelling
Release 271 split.png
The new per-face normals feature allows blender to display and export sharp edges correctly without geometry duplication.

In addition, selection tools offer more options.

Sculpting/Painting
Sculpt constand detail.png
New features include a HSL color wheel for color selection and tools to handle homogenous density in dynamic topology sculpting.

Dyntopo and matcap display for sculpt mode have also had performance optimizations.


Game Engine
Deactivate-Logic-Brick.png
UI to deactivate logic bricks, multi-threaded animations, shadows-only materials and more action layers are among the new features for the game engine

Freestyle NPR Rendering
Rim sketch.jpg
Freestyle has been upgraded with textured stroke support. Textured stroke support makes it possible to apply patterns to the lines and simulate rough surfaces or different kinds of brush tips for the strokes themselves.

Line sorting also gives artists more control over the order of line drawing

User Interface
2.71 new brush previews release.png
Interface features include new icons for texture painting, resizeable preview widgets and draggable popups.


Blender 2.70 Release Notes

New features include initial support for volumetrics in Cycles, and faster rendering of hair and textures. The motion tracker now supports weighted tracks and has improved planar tracking. For mesh modeling there are new Laplacian deform and wireframe modifiers, along with more control in the bevel tool. The game engine now supports object levels of detail.

The first results from the new user interface project are also in this release, with dozens of changes to make the interface more consistent and powerful. This is also the first release of the multithreaded dependency graph, which makes modifier and constraint evaluation faster in scenes with multiple objects.

Cycles Rendering
Cycles 270 Volume.png
Cycles now has initial support for volume rendering including emission, absorption and scattering. Volume rendering can be used to render effects like fire, smoke, mist, absorption in glass, and many other effects that can't be represented by surface meshes alone.

CPU rendering performance was improved, particularly for hair, textures and Open Shading Language.
Motion Tracker
Blender2.70-PlaneTrackImage.png
Trackers can now be weighted, to keep the result stable as feature disappear or become difficult to track. The plane track workflow was improved to be easier to control. Automatic feature detection was made more robust using a new detector algorithm.
User Interface
Header menu collapsed.png
The toolbar now has tabs to organize tools in categories. Multiple buttons can now be edited at once, for example for XYZ axes or color channels. Transform tools now have a mode to enter expressions and units. Other changes were done to improve lists, header menus, tooltips, buttons, menus and more.
Modeling
Wireframe Mod Result.png
The Laplacian Deform modifier was added to pose a mesh while preserving geometric details of the surface, and a new wireframe modifier allows you transform your mesh into a wireframe representation. The boolean modifier now supports ngons, and there are improvements to the bevel, screw and triangulate modifiers.

The bevel tool now offers more control over the bevel profile and results, and the knife tool was improved as well.
Threaded Dependency Graph
GSoC-DepsGraph-ThreadedCPULoad.png
An important change that happened under the hood is the threaded dependency graph. This means that object modifiers and constraints, among other things, can now be computed with multiple threads taking advantage of multicore processors. This will be most noticeable with scenes that have many objects, or multiple objects with heavy modifiers. This is the first step in making the dependency graph in Blender more powerful.


Game Development
FPS-Walk-Navigation-Shortcuts.png
The Blender game engine now supports discrete level of detail for meshes. For game developers, support for working with Photoshop PSD files has been added.

A new view navigation walk mode has been added, which has a control scheme as typically found in first person shooter games. This can be useful for game developers to navigate levels as if in a game.
Freestyle NPR Rendering
Blender261 python changes.png
The Freestyle Python API is an essential part that makes it a highly programmable NPR rendering engine. This API has been reorganized.
More Features
Blender2.70 MaskOverlapFill.png
Many small changes and features were done all over Blender. Some notable new feature are normalized display for FCurves, derivative map baking, baking to vertex colors, better visualization of masks and control over mask filling, gravity option for sculpting, negative texture values to support vector displacement and a Lamp Data shading node to create more customized NPR shaders.
Feature Videos
For a visual demonstration of some of the new features in this release, check out the feature videos created during the development of this release.
Addons
Several addons have been added and updated, including Node Wrangler (aka Node Efficiency Tools) and a new Sketchfab Exporter addon
Bug Fixes
In addition to the new features, over 560 bugs that existed in previous releases have been fixed.


Blender 2.69 - Release

The Blender Foundation and online developer community is proud to present Blender 2.69.

FBX import is now supported, along with improved export. New mesh modeling tools were added and existing ones improved. Cycles subsurface scattering and hair shading were improved, along with the addition of a new sky model, shading nodes and tone mapping in the viewport. The motion tracker now supports plane tracking, to track and replace flat objects in footage.

We have been testing this final release using three 'release candidates'. The official release is now available, published October 30th 2013.


Modeling

A new hidden wire display option was added to help with retopology. Mesh Bisect is a new tool to cut meshes in half. The Bridge, Edgenet fill, Grid fill and Symmetrize tools were improved. New curve and lattice editing tools were added too.

Motion Tracker

The Motion tracker now supports plane tracking, which can be used to replace billboards, screens and other flat things in footage.

Addons

FBX Import support has been added and FBX/OBJ can now export split normals (without the need for the edge split modifier).

Bug fixes

In addition to the new features, over 270 bugs that existed in previous releases have been fixed.

Cycles Render

Hair rendering was improved with a new Hair shader and reorganized settings. Subsurface scattering uses a new sampling algorithm and now supports bump mapping and texture blurring.

Sky rendering now uses a more accurate sky model. New blackbody, vector transform and HSV nodes were added. The non-progressive integrator was renamed to Branched Path Integrator, and is now available for GPU rendering.

Tone mapping now works in the viewport, with photographic film emulation.

More Features

Lists in the user interface can now be resized, sorted and filtered. Further there are small improvements for vertex parenting, empty objects, the shrinkwrap modifier, mask editing, armatures, f-curves and drivers.


Blender 2.69 Release Candidate 2

New features (FBX import, Plane tracking, Cycles SSS, etc) and a whole of bug fixes (270). Help testing this 2nd release candidate!


Blender 2.69 - Release Candidate

The Blender Foundation and online developer community is proud to present Blender 2.69.

FBX import is now supported, along with improved export. New mesh modeling tools were added and existing ones improved. Cycles subsurface scattering and hair shading were improved, along with the addition of a new sky model, shading nodes and tone mapping in the viewport. The motion tracker now supports plane tracking, to track and replace flat objects in footage.

2.69 RC release: October 7th, 2013.

Modeling

A new hidden wire display option was added to help with retopology. Mesh Bisect is a new tool to cut meshes in half. The Bridge, Edgenet fill, Grid fill and Symmetrize tools were improved. New curve and lattice editing tools were added too.

Motion Tracker

The Motion tracker now supports plane tracking, which can be used to replace billboards, screens and other flat things in footage.

Addons

FBX Import support has been added and FBX/OBJ can now export split normals (without the need for the edge split modifier).

Bug fixes

In addition to the new features, over 270 bugs that existed in previous releases have been fixed.

Cycles Render

Hair rendering was improved with a new Hair shader and reorganized settings. Subsurface scattering uses a new sampling algorithm and now supports bump mapping and texture blurring.

Sky rendering now uses a more accurate sky model. New blackbody, vector transform and HSV nodes were added. The non-progressive integrator was renamed to Branched Path Integrator, and is now available for GPU rendering.

Tone mapping now works in the viewport, with photographic film emulation.

More Features

Lists in the user interface can now be resized, sorted and filtered. Further there are small improvements for vertex parenting, empty objects, the shrinkwrap modifier, mask editing, armatures, f-curves and drivers.


Blender 2.68a Release Notes

Bug fix update
14 bugs fixed since 2.68 release: (Changes from revision 58374 up to 58534)

Fix #36218: Crash deleting a sequence strip r58374
Fix #36216: Viewport render with CMJ sampler and unlimited passes freezes r58406
Fix #33016: BGE, Blender crashes on Game Engine start r58422
Fix #35195: BGE, Shadow Only lamps only work with Specular enabled r58427
Fix #36227: removing vertex colors crashes r58436
Fix #36223: BGE, fix crash with Game actuator r58440
Fix BGE, incorrect exception for SCA_JoystickSensor.axisSingle access r58441
Fix #36234: Dynamic Topology undo crash r58463
Fix #36224: Cloth Simulation Doesn't Work on Rearranging Modifiers r58504
Fix #36240: Painting Undo Enable Face paint Crash r58509
Fix #36248: Crash using factor input on color mix node r58512
Fix #36247: Ocean Modifier (Geometry in Displace) - Subdivision Surface crash r58513
Fix Ocean Modifier crash when size is zero r58514
Fix #34398: BGE, illegal operator in Expression Controller r58516
Fix #36253: OpenGL viewport rendering to a new window fails r58520


Blender 2.68

The Blender Foundation and online developer community is proud to present Blender 2.68.

Many different mesh modelling tools were added and improved. Cycles render performance was improved on Windows and on GPU's. The motion tracker can now automate placement and choice of markers more with new tools. Smoke rendering quality has been improved to reduce blockiness.

Python scripts and drivers are now disabled by default when loading files. This is for improved security, without this feature malicious .blend files could cause problems. See the Python security documentation for details.

2.68 release: July 18th, 2013.

Modeling

Improved bridge tool to bridge multiple loops at once, subdivision, surface blending and bridging face regions. New grid-fill tool filling a grid from edge loops, X mirror and projected proportional editing, snap to symmetry, face split option for dissolve, vertex connect cut across faces.

Physics

Smoke has improved rendering quality avoid blockiness, and subframe simulation support to handle fast moving emitters. Particles can now be emitted from faces generated by modifiers that were not in the original mesh.

Usability

Improved weight painting tools, mask modifier for sequencer strips, 2D image paint more consistent with 3D painting, better key shortcuts display, quick enabling and disabling of multiple layers or visibility, auto indent for multi-line Python statements,

Addons

New addons are Texture Atlas to bake shadow and lightmaps for an entire scene, and Edit Linked Library, for quick editing of linked assets.

Cycles Render

Rendering performance has been improved on CPU and GPU and support for new GPUs was added. A new Mist render pass is available, Ray visibility is now supported for all light sources, and new Nodes have been added. Hair rendering on the GPU has been enabled as well.

Motion Tracker

Some new features and smaller improvements to existing ones were done for motion tracking. Main features are markers' position refining, which allows you to refine marker position after it was occluded by an object, and automatic keyframe selection, which tries to automatically find a best keyframe for the reconstruction.

Python Security

Auto-running Python scripts can now be controlled more securely.

Bug fixes

In addition to the new features, over 280 bugs that existed in previous releases have been fixed.


Blender 2.68 Release Notes

Work in progress
Work in progress release logs for the upcoming Blender 2.68 release.

You can download the Release Candidate build here. Help us testing, and submit bug reports in the bug tracker!

Cycles Rendering
Rendering performance has been improved on CPU and GPU and support for new GPUs was added. A new Mist render pass is available, Ray visibility is now supported for all light sources, and new Nodes have been added. Hair rendering on the GPU has been enabled as well.
Motion Tracker

Usability and Tools
Mesh bridge uneven after.png
Improved mesh editing tools: Improved bridge tool, grid-fill tool, options to selectively apply weight paint tools, TODO more.
Python Security
Auto-running Python scripts can now be controlled more securely


Blender 2.67b Release Notes

Bug fix update
Over 30 bugs fixed since 2.67 release: (Changes from revision 56594 up to 57118)

Interface
fix stack corruptions in special cases for search popup r56982
fix #35547: incomplete tooltips in node editor r57072
fix #35374: Region overlap + bugs, was missing keymap for REGION_TIMER, which ended up in missing updates happening. r57118
Viewport
fix #35459: global texture coordinates not working with GLSL shaders. r56967
fix #35473: Using Redo panel in View3D after Grease Pencil action moves GP layer to that area r57074
Animation
fix #35443: : Animation player doesn't play some movie formats r56943
fix getting selected bones: wrong list member size for memory setting r56968
* fix for confusion switching active group when running mirror r57101
Composite/Nodes
fix for node-searh menu r56594 r56595
fix for node item polling r56596
Fix #35495:, Material preview don't update (PyNodes regression) r57050
fix for node menu: Show the group input/output nodes in the Input/Output categories respectively, so they can be added with the usual UI in case the user deletes them. r57073
Render
fix #35458: crash in image sampling r56960
fix #35500: Material Copy Crash on specific scenes r57009
Render (Cycles)
fix #35506: enter local view, enable render draw mode, exit local view would keep rendering in the background r57057
Render (Freestyle)
fix for a crash due to de-referencing of a StrokeVertex Python wrapper object r56956
fix #35478: Spatial Noise crashes Blender on Render r56991
fix #35493: Blender crash when rendering freestyle in background mode r56994
fix for freestyle bug which happened when the sketchy chaining is used, stroke geometry may contain a 180-degree U-turn. r57068
Modifiers
fix #35450: bevel make large spikes sometimes. r57004
fix #35513: Multires modifier normal corruption on apply base r57071
Tools
fix #35451: crash with extrude, grab, grab r56935
fix regression in 2.67a, crash in loop-select r56977
fix #35462: own regression with ortho-camera adding points r56990
fix #35518: UV Mapping crashes the Blender with specific image file r57043
Fix #35504: Blender crashes on separating curves with different Evaluation Time / keyframes r57046
fix #35503: Bug with edit-mesh and mirror modifier - extruding was creating faces where it shouldn't. r57063
fix #35543: Bezier curve width and twist fail to apply when more than 1 point is edited r57067
fix #35509: Edit-mesh manipulator median point used bad orientation r57083
Paint
fix error where selecting mask brush once lead to changes in behavior of other brushes hotkeys. r56957
Fix #35426:, masking works wrong in projection painting. r56986 r56989
Game Engine
Fix #35480: object without material crash blender when starting game engine r57052
Physics
fix smoke noise tile was saved in Blender executable directory r56930
Python
fix/workaround installing addons (problem with osx permissions) r56971
Other
Collada: was missing recalculate of normals after mesh import r57077


Blender 2.67a Release Notes

Bug fix update
Over 80 bugs fixed since 2.67 release: (Changes from revision 56533 up to 56912)

Interface
Fix #35286: 'Reset to Default Theme' makes some node titlebars go black (r56647)
Fix #35261: double clicking the up arrow in the file browser to go up multiple directories fast would start drag and drop (r56653)
Fix #56662: files with numbers higher than 2147483648 or with different numbers of leading zeros would show in random order in the file browser. (r56662)
Fix #35284: outline name edit textbox did not show properly in some cases. (r56670)
Fix #56672: search menu buttons (with an X on the right side to clear) had text overlapping the X icon (r35281)
Fix #35273: click in empty space to deselect as used by the Maya keymap gave a python error when used in pose mode. (r56673)
Fix #35262: assigning shortcuts from e.g. delete or selection mode menus (r56676)
Fix #35307: popup menus in nodes, with nodes outside window boundary, were clipped (r56688)
Fix #35342: multi-sample antialiasing makes tooltips look blurry (r56766)
Fix #35415: multi-sample don't work in 2.66 and newer (regression) (r56912)
Fix for toggle drag not working in popups (r56747 r56881)
Change to drag-lock behavior, only use with outliner (this way layers can be changed all at once) (r56748)
Viewport
Fix #35259: Fix crash when enabling mesh analysis intersect with wire edges (r56539)
Fix eternal loop with background scenes (r56689)
Animation
Fix #35253: Fix failure to animate X, Y, Z values in nodes with vector sub-menu (r56581)
Fix #35384: animation to enable/disable render layers was applied one frame too late when rendering animations. (r56851)
Fix #35398: changing render layer name causes animation to be lost. (r56868)
Fix material/lamp drivers not working sometimes when they were used by multiple objects (r56707)
Fix for shape-key drivers executing for every call to derivedmesh (r56880)
Sequencer
Fix #35390: the verticel line indicating scene end frame was off by one (r56872 r56882 r56894)
Composite/Nodes
Fix #35252: Fix crash with the node placed partially behind the screen (r56572)
Fix #35291: crash deleting 'Group Output' node in compositor (r56654)
Fix #35327: compositing Z combine node was not giving the same result as previous versions when the Z values were the same (r56755)
Fix #35330: Blur node crash due to size overflow (r56759)
Fix #35349: multiple viewers nodes crashing during render (r56791)
Fix #35376: node editor throwing python error on some files saved with 2.66 test builds. (r56830)
Fix #35388: grouped nodes not editable in properties ui. (r56857)
Fix #35369: crop node or FileOutput node bug. (r56879)
Fix #35313: object and ID anti-aliased masks are incorrect when using border render + crop (r56898)
Fix string escaping when building python expression for nodes (r56610)
Fix crash loading node groups caused by versioning error (r56611)
Fix for add_node operator, prevent it from re-using settings from a previous call (r56613)
Fix note add operators were not using UNDO option (r56648)
Render
Fix #35219: Fix blender internal auto ray bias to avoid the terminator shadow problem was giving light flickering on a mesh with animated hair strands. (r56577)
Fix #35280: crash when setting Environment Map imagefile (r56620)
Fix #35335: Crash when rendering a text object with a remesh modifier and a material texture (r56749)
Render (Cycles)
Fix #35272: GPU crash with anisotropic shader in group node. (r56650 r56663)
Fix #35282: color ramp set to constant interpolation did not work well (r56651)
Fix #35306: normal mapping not working with flat shading. (r56682)
Render (Freestyle)
Fix #35352: geometry spatial noise freezes on render (r56836)
Fix #35385: rendering crash with modifiers (r56839)
Fix #35245: Freestyle getting stuck on view map creation + memory leaks. (r56905)
Fix crash when closing blend files with no line styles (r56711)
Fix for a copy-and-paste bug in a Freestyle Python API helper function (r56806)
Fix for memory leaks in Freestyle Python API components (r56778 r56807)
Fix for missing finalization of memory blocks allocated in the Freestyle module (r56826)
Fix for built-in style module sketchy_multiple_parameterization.py not working correctly (r56867)
Modifiers
Fix #35317: crash with boolean modifier using an object whose library linked mesh datablock went missing (r56698)
Tools
Fix #35257: 'Brige > Merge' sometimes flips result (r56606)
Fix #35292: edge slide slow with big image in image editor (r56671)
Fix #35289: UV layout export to image was extremely slow for large meshes (r56674)
Fix #35326: even edge slide on open edge crashes (r56735)
Fix #35308: Edge Split operator splits unselected edges (r56760)
Fix for strange behavior with loop select involving ngons (r56773 r56783 r56784 r56785), See: comparison
Fix loopselect-slide (with multicut enabled) changing from vertex-select to edge-select. (r56863)
Paint
Fix part of #35372: distorted strokes when painting zoomed out with a small brush size (r56816)
Fix #35057, #35372: slow texture painting performance. (r56823)
Fix #35355: 2D image paint View mapping mode was dependent on zoom, this was wrong, it should just fit the texture in the brush circle. (r56833)
Fix #35372: sculpting/painting long brush strokes with small brush size would take up a lot of memory. (r56834)
Fix #56901: calling any paint operator from operator search menu with mouse crashes blender. (r56901)
Fix crash on 2d painting when no active object is present (regression), (r56892)
Fix Painting / Sculpting: improve pressure sensitivity (regression) (r56896)
Fix crash due to shared paint cursor function (regression). (r56902)
Sculpt
Fix #35337: sculpt performance regression, partial redraw was not working anymore due to paint cursor redraw problem. (r56763)
Fix sculpt getting slower as you paint a longer stroke. Partial redraw was redrawing the whole area that was painted on from the start of the stroke (r56767 r56828)
Fix #35364: 'D Key' shortcut inconsistency (r56815 r56873)
Fix #35354: dyntopo - materials and UI display issues (r56820)
Game Engine
Fix #31757: Fix setGLSLMaterialSetting has no effect (regression) (r56605)
Fix #34382: vertex position doesn't update when set through Python and "Cast Buffer Shadows" is disabled (r56639)
Fix #35204: new alpha-enabled shadows fail when UVs Change (r56643)
Fix #34631: error displaying texface (r56679)
Fix #34044: error displaying texface for objects with no material (r56680)
Fix #35320: crash when adding property without setting material (r56745)
Fix #35329: action actuator crash with replacemesh, pointers got outdated. (r56756)
Add missing python properties on ActionActuator: layer, layerWeight (r56906)
Particles
Fix #35296: particles crash with long object name (r56668)
Rigid Body
fix #35403: Highlight not updating instantly when removing from Rigid body
Python
Fix #35319: 2x2 matrix inverse and adjugate were wrong. (r56700)
Fix #35336: added a warning in the doc string for nodetree.nodes.new() (r56800)
Other
Fix OS X build with 10.6 SDK, was not working due to recent fullscreen bug fixes. (r56601)
Fix #35255: Fix build for older OpenCollada versions failed (r56537 r56538)
Fix #35267: cmd+v, cmd+c on OS X for copy/paste worked in some editors like the 3D view and text editor but not in the animation editors(r56661 r56678)


Blender 2.67 Release Notes

The Blender Foundation and online developer community is proud to present Blender 2.67. New in this release is the Freestyle render engine for non-photorealistic rendering, which can generate 2D line drawings in various styles.

The paint and sculpt system is now much more consistent across different paint modes and has gained various new features. Motion tracking was made faster, and Cycles now has initial support for subsurface scattering.

The node system now support more flexible group editing. For developers of external render engine addons it is now possible to support node based materials.

For 3D printing an addon was added to analyze and export the meshes.

Freestyle Line Rendering Engine

Freestyle is a new non-photorealistic (NPR) rendering engine integrated into Blender. Originally developed as a stand-alone program in an academic research project, Freestyle provides artists with a new tool set for generating 2D line drawing out of a given 3D scene prepared with Blender. Generated lines can be stylized by a variety of stylization options for tweaking line color, alpha transparency, line thickness, and line geometry. The resulting line art can be combined with other render components (e.g., render passes from the Blender Internal renderer and Cycles) through render layers and the compositor. Examples of Freestyle use cases include cartoon rendering, architectural visualization, technical drawing, blue prints, and computer-generated sketches. Freestyle expands Blender's rendering capabilities on the basis of geometry-based visualization solutions specifically geared to 2D-like computer graphics.
Paint System Improvements

The stroke system and brush texture access has been unified and as a result there are many more tools now shared across paint modes. Brush angle control, better brush overlays, separate texture control for alpha and a brand new stencil mapping mode with direct mouse control have been implemented. Many improvements and bug fixes have also been made.
Cycles Rendering

A Subsurface Scattering shader is now available, to create materials such as Wax, Marble or Skin. Minimum pixel width was added to hair rendering and several performance improvements have been made, to render scenes without hair or motion blur faster. The OSL shading system received performance improvements as well.
Motion Tracker

Camera and object motion solver motion are much more accurate and faster because the Ceres library is used now for the bundle adjustment step. In addition the tripod solver is finally fixed and has become usable for longer footage. Smaller fixes were done as well.
Compositing Nodes

Added border for compositor viewer node, which restricts what is to be composited for faster previews. Also border rendering and cropping are finally working as expected. Some optimization was done as well.
Python Nodes

The API now supports custom node types. Nodes can be defined and registered in python scripts like other UI classes. This allows the creation of entire new node systems for addons, external render engines and the like.
Node Editor

Node Groups editing is less cluttered and more consistent with other nodes. Multiple node editor windows can be used independently. Nesting node groups is fully supported. Pinning is supported as well in the node editor to disable context switching.

Usability and Tools

New mesh modeling tools: Individual Face Inset, Poke Face and Knife Project. Faster image display in the image and movie clip editors. Better support for UTF-8 text in the text and console editors, and various improvements to other editors.
3D Printing Toolset

An addon to help with 3d printing is now bundled as well as a new ruler tool and mesh-analysis display attributes such as thickness, sharp-areas and distortion.
Addons
New addons are the node efficiency tools and VRML2 export.
Bug Fixes
In addition to the new features, over 260 that existed in previous releases have been fixed.


Blender 2.66a Release Notes

Note: OSX release now includes the cuda kernels, so it starts with cycles without waiting for building kernels

Bug fix update
Over 80 bugs fixed since 2.66 release:


Interface
Fix #34357: Image editor scope and clip editor track preview did not resize properly with different DPI settings. (r54760)
Fix #33466: Alt+MouseWheel changes frame as well as buttons (r54929)
Fix UI/DPI: user preferences window size now takes into account DPI, otherwise the buttons don't fit properly. (r54945)
Fix soft shadow at top edge incorrectly drawn (r54954)
Fix #34418: Screencast could be started twice (r54961)
Fix #34509: Panel color were not updated from old files properly (r54996)
Allow trackpad and magic mouse swipes to control brush size for circle select. (r55027)
Fix (regression) #34391: Window position not saving correctly for next start-up (r54879)
Fix #34390: quicktime video codec menu showing blank (r54942)
Viewport
Fix #34378: GLSL materials using multiple UV layers fail in editmode (r54783)
Fix #34347: View3D Mini-Axis drawing in error with overlay (r54789)
Fix #34426: Manipulator handles drawn incorrectly by depth (r54923)
Fix glitch rotating the camera in camera mode drawing helper-line in random locations (r54928)
Animation
Fix zoom for graph-editor (and other editors) (r54910)
Sequencer
Fix #34439: Strip modifier - Mask multiply failure (r54901)
Fix #34453: Added RGBA|RGB channels toggle to sequencer preview (r54904)
Fix sequencer crash when pasteing strips after creating new file (r54935)
Composite/Nodes
Fix #34356: Inputs list in file output doesn't appear properly. (r54754)
Fix #34359: Crash when using image output node (r54746)
Fix #34474: "Record Composite" image op segfaults in compositor code (r54948)
Fix #34461: Inconsistent behavior of "Color Mix Node" and "Alpha Over Node" (r54960)
Fix #34507: Adding reroute node into invalid links would crash the compositor (r55047)
MovieClip/Tracking
Fix memory leak when loading multilayer EXR as movie clip (r54934)
Fix for incorrect subpixel precision of marker when using track offset (r55028)
Render
Fix #34351: Displacement map Bake margin does not work (r54748)
Fix #34436: Node editor delete texture crash (r54908)
Fix #34493: Image Sequence texture didn't allow "Offset" with fcurves. (r55012)
Fix #34475: Weird noise bug with Texture nodes (r55021)
Fix for texture preview render with show alpha enabled (r55026)
Fix image transparency backwards compatibility. Now the texture datablock has a 'Use Alpha' option again. (r55022)
Render (Cycles)
Fix #34421: viewport render stuck with no objects in the scene. (r54885)
Fix #34480: hair render in dupligroup did hide the emitter properly in some cases. (r54959)
Modifiers
Fix #34358: Shrinkwrap modifier project along normal did not work correctly (r54793)
Fix #34369: applying screw modifier turns object to black (r55004)
Tools
Fix #34384: Border select in UV Image window crashed (r54816)
Fix for weight paint using values over 1.0 when blending (r54833)
Fix for regression in 'object.shape_key_transfer' operator since BMesh merge (r54834)
Fix #34415: Edge slide results in segmentation fault on certain mesh (r54875)
Fix #34455: Origin to Center of Mass is missing in menu Object > Transform (r54891)
Fix selecting linked faces (r54920 r54921)
Fix #34366: mesh.select_mode operator could not be configure the use_extend and use_expand properly. (r54944)
fix #34486: Selection of bones in armature edit mode only toggles between two bones (r54969)
Fix #34534: Copy/Paste objects hangs (r55051)
Fix (regression) #34438: Solidify crease error (r54882)
Fix missing select menu for weight, vertex, texture paint modes. (r54883)
Fix joining meshes could loose crease/bevel weights (r54899)
Fix (regression) #34449: Edge toggline bevel failed (r54900)
Sculpt
Fix #34370: Collapse-Edges crash in dyntopo (r54827)
Fix #34431: Crash when dyntopo enabled and using view plane mode (r54971)
Fix #34473: Blender Crashes on toggling modes, dynatopo sculpt/object mode. (r55007)
Game Engine
Fix projection clipping (r54733)
Fix #34349: Character walkDirection ADD mode -#INF error. (r54738)
Fix #18967: Enable alpha buffer (useful for TV broadcasting). (r54745)
Fix #34353: Ray cast on Triangle mesh bounded Rigid Body Object crashes (r54757)
Fix #34219: Webcam support under Linux in Standalone broken (r54764)
Fix #34330: Action Actuator "caching" the previous ran actions (r54766 r54767 r54769)
Fix error using actions with multiple scenes (r54767)
Fix object color channels can now be animated separately without zeroing out the other channels (r54772)
Fix error using uninitialized variables for rendering (r54776 r54781)
Fix #34377: Game-Engine - Multi UV mesh's materials not backwards compatible (r54780)
Fix Game-Engine crashing when on material conversions (r54837)
Fix #34440: Motion blur (2d filter) not working in osx (r54912)
Fix #34428 #20856 #20281: converting multi-uv layers. (r54972)
Fix #34523: 2D-Filter produces render error (r55010)
Fix #34517: 2D-Filter causes mouselook script drifting effect (r55011)
Rigid Body
Fix motion paths calculation being incorrect for rigid bodies (r54799)
Allow rigidbody collision groups to be animated (r54818)
Fix #34410: Planes with Rigid Body always keep distance to colliding objects (r54855)
Fix #34420: Rigid objects not resetting original properly after running a simulation. (r54862)
Fix inconsistency with world rebuilding with the start frame (r54990)
Text Editor
Fix Fix text editor bug: ctrl+F is not configurable (r54878)
Fix #54907: freeze when turning on syntax highlight (r54907)
Fix crash when overwriting ascii character with multibyte character (r54917)
Python
Fix Python console bug: "autocomplete" doesn't advance cursor properly when completion includes UTF8 characters (r54824)
Fix #34423: foreach_get crash for any non existant attribute (r54865 r54866)
Fix #34372: mesh.verts.foreach_set not working with normals (r54943)
Fix for python exception getting the ID from an operator button (r54835)
Other
Fix freeing all bakes in particle mode (r54822)
Fix file with packed images crashes on load (r54790)
Fix image alpha version patch with library linked files (r54794)
Fix #34427: Collada export crash with armature (r54856)
Fix X3D import error loading UV's (r4325)
Fix X3D import for images (r4327)
Rigify fixes (r4321 r4334 r4335)


Blender 2.66

The Blender Foundation and online developer community is proud to present Blender 2.66. This release contains long awaited features like rigid body physics simulation, dynamic topology sculpting and matcap display.

Other new features include Cycles hair rendering, support for high pixel density displays, much better handling of premultiplied and straight alpha transparency, a vertex bevel tool, a mesh cache modifier and a new SPH particle fluid dynamics solver.

2.66 release: February 21th, 2013.

Dynamic Topology Sculpting

Dynamic topology is a new sculpting mode that subdivides the mesh as needed, whereas regular sculpting only affects the shape of a mesh. This makes it possible to sculpt complex shapes out of a simple mesh, rather than just adding details onto a modeled base mesh.

UI and Usability

Support for MacBook "Retina" Displays was added, proper DPI scaling in all editors, new high-res icons and transparent tool and property regions. User Preferences and Startup File have been split up, new ways to recover sessions were added and copy & paste of objects inside the 3D View is supported now.

Mesh Modeling

The Bevel tool supports bevelling individual vertices in addition to edges now, with one or more segments.

Modifiers

New Mesh Cache modifier can apply animation from external files onto a mesh, a new UV Warp modifier can rotate, scale and translate UV maps on a mesh using objects or bones, and the Laplacian smooth modifier now supports shape enhancement.

Particle Fluid Dynamics

A new SPH particle fluid solver was added, designed for more physically accurate results.

Addons

Added MilkShape 3D format support and EDL Video Import.

Bug fixes

In addition to the new features, over 250 bugs that existed in previous releases have been fixed.

Rigid Body Simulation

The Bullet physics library has now been integrated into the editor and animation system, which makes rigid body simulations available also outside of the game engine. This results in a much simpler workflow and gives more control over the simulation.

Cycles Render

Initial support for hair rendering was added, with triangle strips, cylinder or bezier curve primitives.

Multiple importance sampling for lamps, preview rendering is available inside the properties editor, new closures and optimizations for OSL, non-progressive integrator was improved and support for packed, generated and movie textures was added.

Image Transparency

The image pipeline has be refactored to handle transparency in images better and compatible to standards. There are two alpha types for images that are useful for different purposes, and we now try to automatically do the right conversions and operations.

Game Engine

The character physics type received a number of new options, profiling and debug information has been cleaned up, and simple shadow maps can now take clipped alpha transparency into account.

Collada

Collada import and export was improved for animation: shape keys are now supported, and the armature modifier has been made more stable, respecting axis orientation and scene scaling.

More Features

New features include vertex color baking, more efficient ambient occlusion baking for multires meshes, edge based UV stitching, more control over mapping texture brushes for texture painting, gradient tools for weight painting, and a translate node for the compositor.

http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.66#Blender_2.66_Release_Notes


Blender 2.66 RC Release Notes

http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.66#Blender_2.66_Release_Notes


Blender 2.65a Release Notes

Bug fix update
Over 40 bugs fixed since 2.65 release:

Fix #32837: cycles environment texture not showing image sequence options properly. (r52870)
Fix #33467: Fluid Simulations Speed factor animated wrong result (r52871)
Fix #32174: IK solver stretch was less stable after a code refactor (r52883)
Fix #33485: cycles OSL now autodetects the presence of emission and transparent closures to enable multiple importance sampling and transparent shadows. (r52910)
Fix #33486: cycles CPU image textures were offset wrong by half a pixel compared to OpenGL/CUDA/OSL rendering. (r52915)
Fix #33492: Right click on 'confirm reload' crashes (r52919)
Fix #33489: Scaling normals with Alt (maintains shell thickness) producing wrong result. (r52928)
Fix related to #33480: blender-internal volume rendering, the camera inside volume wasn't accurate (r52930)
Fix #33500: when transforming, tapping shift twice and holding did not enable precision mode. (r52958)
Fix #33510: rotate around selection doesn't work when .blend saved in sculpt mode (r52966)
Fix #33525: Mask points are add offset for the mouse when adding on viewer node with aspect != 1 (r52994)
Fix #33526: Bezier Curve Tilt in transform panel does not work beyond 360 degrees (r52995)
Fix #33530: Blender Crash when selecting "Point select mode" in Particle Mode with and 0 hairs object (r52997)
Fix #33532: vertex paint subtract mode was broken, always resulting in black. (r52998)
Fix #33539: Shift+Numpad 2/4/8 shortcuts for zoom in image and clip editor don't work in Windows, Use Ctrl+Numpad (r53015)
Fix #33546: GPU mipmap generation is not working on some ATI cards (r53037)
Fix #33529: Bevel wire edges would crash (r53061)
Fix #33565: Dynamic Paint modifier surfaces not copied (r53065)
Fix #33571: Knife cut-through code to connect across a face didn't stop after it found one. (r53066)
Fix #33551: End Caps on a curve array with subsurf crashes blender when entering Edit Mode (r53067)
Fix #33534: Building proxies will remove strip animation (r53077)
Fix/Workaround #33493: Checker de-select by default gives uneven selection on a circle (r53086)
Fix #33581: Vertex colors added to meshes with no faces whenver exiting/entering editmode (r53087)
Fix #33590: The Screw Tool in Edit Mode isn't calculating the correct angle step divisions per turn (r53090)
Fix #33505: Motion blur with shutter time > 1 did result in the correct evaluation of some modifiers because it set the subframe to values > 1.
Add subframe support for shape keys.
Point density texture was using an current frame value that was never set. (r53095)
Fix #33487: Game-Engine did not convert objects with rotation modes other than Euler XYZ correctly (r53096)
Fix #33575: Manipulator showing incorrect local axes in armature pose mode. (r53102)
Fix #33580: Masking keyframes disappear from dope sheet when using undo. (r53107)
Unreported Fixes
Fix Game-Player still not using fast GPU mipmap generation (r52867)
Fix issue where image stamp data's strings could be short enough not to fit the entire ID name length. (r52891)
Fix Moving panels in a buttons-region around was calling menu code reading NULL pointer (r52945)
Fix for default startup file having compositor background scale set very small (r53056)
Fix timer events getting handled, after stopping a timer. (r52977)
Fixes for ctrl+click on panel header (r53123)
Fix part of #33469: Cloth pre-roll had a wrong tooltip and low limit of 200 frames. (r53129)
Fix for pose-bones and edit-bones ignoring active element pivot mode (r53104)
Fix (OSX) makeKeyAndOrderFront would show window from orderedWindows list on every loop, so use makeKeyWindow only to avoid flicker when closing app (r53039)
Fix for bevel using the wrong property name when shift was held (r53063)
Fix square color picker drawing the 'cursor' incorrectly (r53038)
Other Changes
3D View: Add back a key to access view-cursor (Alt+Home) (r52996)
Cycles: make "Open Shading Language" a boolean toggle, the other option "GPU Compatible" was confusing. (r53005)


Blender 2.65


The Blender Foundation and online developer community is proud to present Blender 2.65. We focused on making this the most stable release in the 2.6 cycle yet, fixing over 200 bugs.

Fire simulation was added along with many improvements in smoke simulation. In Cycles, motion blur, open shading language and anisotropic shading support was added. For mesh modeling, the bevel tool was much improved, a new symmetrize mesh tool was added, and new Laplacian smooth, decimate, and triangulate modifiers are available.

2.65 release: December 10th, 2012.

Fire and Smoke

Fire simulation was added to the Smoke Simulator. The domain received major updates to improve performance and usability. Smoke can be emitted from mesh surfaces, without the need for a particle system. A smoke flow force field was added to improve interaction with other simulations. Colored smoke simulation and mixing is possible and the interaction of smoke with collision objects has been improved.

Mesh Modeling

The bevel tool now includes rounding and was otherwise much improved, preserving the requested bevel width more evenly and generating better topology. A new symmetrize tool was added to make mesh topology and data symmetric.

More Features

New features include: a tool transfer vertex weights from one mesh to another, antialiased viewport drawing, connected proportional editing in UV editor, improved DPX file read and write, more control over curve taper, collision masks in the game engine and improved camera title safe drawing.

Bug fixes

In addition to the new features, over 200 bugs that existed in previous releases have been fixed.

Cycles Render

Support for writing custom shaders in the Open Shading Language is now available. Motion blur rendering was also added, to make moving objects and cameras appear blurry. There is also an anisotropic shading node, and BSDF nodes can now have different normals, which can be set using the new bump and normal map nodes.

Modifiers

The decimator was rewritten, and now preserves UV's and vertex colors, has an un-subdivide and a mode to dissolve vertices to create planar n-gons. A new laplacian smooth modifier can reduce noise or smooth the mesh while preserving edges and volume. A triangulate modifier was also added, which can be useful for creating game assets with baked normal maps.

Addons

UV texture to vertex color baking was added, the PDB atomic visualization addon was improved, and film response curves were added for the RGB Curves node in the compositor.


Blender 2.65 Release Notes

Work In Progress
These are work-in-progress release notes for the next release. A Blender 2.65 test build is available.

Fire & Smoke Simulation

A Fire simulation was added to the Smoke Simulator. The Domain received major updates to improve performance and usability. Smoke can be emitted from mesh surfaces, without the need for a particle system. A Smoke flow force field was added to improve interaction with other simulations. Colored smoke simulation and mixing is possible and the interaction of smoke with collision objects has been improved.
Cycles Rendering

Support for writing custom shaders in the Open Shading Language is now available. Motion blur rendering was also added, to make moving objects and cameras appear blurry. There is also an anisotropic shading node, and BSDF nodes can now have different normals, which can be set using the new bump and normal map nodes. Border rendering in the viewport now also works outside of the camera view.
Mesh Modeling

The bevel tool was much improved, a new symmetrize tool was added to make mesh topology and data symmetric.
Modifiers

The decimator was rewritten, and now preserves UV's and vertex colors, has an un-subdivide and a mode to dissolve vertices to create planar n-gons. A new laplacian smooth modifier can reduce noise or smooth the mesh while preserving edges and volume. A triangulate modifier was also added, which can be useful for creating game assets with baked normal maps.
More Features

Antialiased viewport, map taper for curves, connected proportional editing in UV editor.
Bug Fixes


Blender 2.64 - the Open Source VFX pipeline

The Blender Foundation and online developer community is proud to present Blender 2.64. This release was targeted at improving Blender for the Mango open movie project, along with integrating branches and patches from the past years.

The focus was on creating a full VFX pipeline, with improved motion tracking using a planar tracker, easier green screen keying, and a new mask editor. A new tile based compositing system was added, along with more advanced color management. Cycles rendering got dozens of smaller features and improvements resulting from its use in production.

Sculpting now supports masks, and a skin modifier was added to quickly create a model from skeletons. The game engine got improved shadows and physics options, and Collada export now has more options to tune for exporting to other game engines.

Check the list below for highlights and the full changelog.

2.64 release: October 3rd, 2012.

Mask Editor

Masks can now be created in the image and movie clip editor. They can be used in compositing to define areas of influence for nodes or block out unwanted objects. A mask datablock was added, consisting of splines that can be drawn and edited with the usual tools. Feathering can be controlled per spline point. Animation of these masks is possible with standard keyframing and following motion tracks.

Motion Tracker

Motion tracking was significantly improved by adding planar tracking, and unifying the existing trackers into one Hybrid tracker with finer control. A dopesheet view for markers was added in addition to the curves view. Tripod solving is now supported, for the case where the camera only rotates without moving.

Green Screen

Two new compositing nodes have been developed which are aimed at making green screen keying easier. There is now a new keying node conveniently combining various features from existing nodes along with a new keying algorithm, to makes setup much faster. There is also a keying screen node which produces a gradiented plate to deal with uneven colors of green screens.

Mesh Tools

Bevel and inset now are modal operator with mouse control, a wire frame tool was added to turn edges into wireframe tubes, and vertex/edge/face sorting tools were improved.

Sculpting

Sculpting has received some major improvements such has masking to control which areas of the mesh are influenced by sculpting, new brush map modes to control how textures are projected onto the model, and an input stroke averaging option to make brush strokes smoother.

Skin Modifier

The Skin modifier takes a skeleton made up of vertices and edges as input and generates a polygon skin as output, consisting mostly of quads aligned along the edges. The output is mostly quads, although some triangles will appear around intersections.

Game Engine

Lamps and shadows were improved with support for variance shadow maps, shadow color, sun lamp shadows and lamp textures. Non-power of two textures and compressed textures will now load faster and use less memory. A new Character physics type was added, designed for player controlled characters.

Compositing

A completely new compositing nodes backend was implemented. This new tiled based compositor gives quicker feedback while editing and uses less memory to support working with high resolutions. New nodes were added for bokeh blur, masks and color correction.

Color

OpenColorIO is now integrated into Blender, along with a redesign of the color management system. Now many more color spaces are supported with finer control over which color transformations should be used for display, applied on renders, and used for loading and saving image files.

Cycles Render

Cycles now includes a new non-progressive integrator, tiled rendering with support for save buffers, considerably faster BVH building and multithreaded image loading, and motion vector and UV render passes. New nodes are light falloff, object info, particle info and brick texture, and image texture nodes with blended box mapping and image sequences. There is also support for fisheye camera rendering.

Sequencer

Various speed improvements were implemented in the sequencer, for caching and multithreading of effect strips, to make color grading more interactive. Improved options for comparing the current frame to a reference frame are also available.

Collada

The Collada exporter has been improved for better support of export to game engines, with more fine grained options to control which data is exported.

More Features

Apart from the major improvements in different areas, there were lots of smaller changes such as improvements in the node editor, smoke simulation, user interface, and new tools for curves and meshes.

Bug fixes

Lots of new features were added in this release, but it also includes lots of fixes for bugs that existed in previous releases.


Blender 2.64 Release Notes

Release Candidate
You can download the Release Candidate for Blender 2.64 here:

http://download.blender.org/release/Blender2.64/

(Posted September 18, 2012)

Visual Effects
Mask Editor
Motion Tracker

Motion tracking was significantly improved by adding planar tracking, and unifying the existing trackers into one Hybrid tracker with finer control. A dopesheet view for markers was added in addition to the curves view. Tripod solving is now supported, for the case where the camera only rotates without moving.
Green Screen Keying

Two new compositing nodes have been developed which are aimed at making green screen keying easier. There is now a new keying node conveniently combing various features from existing nodes along with a new keying algorithm, to makes setup much faster. There is also a keying screen node which produces a gradiented plate to deal with uneven colors of green screens.
Colors & Rendering
Color Management

OpenColorIO is now integrated into Blender, along with a redesign of the color management system. Previously Blender only supported two color spaces, linear and sRGB, now many more are supported with finer control over which color transformations should be used for display, applied on renders, and used for loading and saving image files in different color spaces.
Cycles Rendering

Cycles now includes a new non-progressive integrator with finer control over sampling, tiled rendering with support for save buffers, considerably faster BVH building and multithreaded image loading, motion vector and UV render passes. New nodes are light falloff, object info, particle info and brick texture, and image texture nodes can now do blended box mapping and handle image sequences. There is also support for fisheye camera rendering, along with various other new options.
Sequencer
Some speed improvements and tools development happened in the Sequencer area. Mainly changes are related on making color grading easier and realtime.

Modeling
BMesh
Sculpting

Sculpting has received some major improvements such has masking to control which areas of the mesh are influenced by sculpting, new brush map modes to control how textures are projected onto the model, and an input stroke averaging option to make brush strokes smoother.
Skin Modifier

The Skin modifier takes a skeleton made up of vertices and edges as input and generates a polygon skin as output, consisting mostly of quads aligned along the edges. The output is mostly quads, although some triangles will appear around intersections.
Other
Rigging / Skinning
Game Engine
Collada

The Collada exporter has been improved for better support of export to Game Engines. Various options have been added for full control of the exported data.
More Features

Apart from the major improvements in different areas, there were lots of smaller changes such as improvements in node editor, smoke, user interfaces; new tools for curves and meshes.
Bug Fixes
Lots of new features were added in this release, but it also includes lots of bug fixes that existed in previous releases.


Blender 2.64 Release Notes

Test Builds
You can download test versions of the next release here:

http://download.blender.org/release/Blender2.64/

(Posted August 19, 2012)

BMesh
Cycles
Motion Tracker

Motion tracking was significantly improved by implementing planar tracking. It also got some smaller improvements like dopesheet view and tripod solving.
Rigging / Skinning
Sculpting

Sculpting has received some major improvements such has masking, new brush map modes and input stroke averaging.
Skin Modifier

New modifier for generating a mesh skin from an edge skeleton.
Greenscreen Keying

Two new nodes have been developed which are aimed at making greenscreen keying easier. The first one is Keying Screen which produces a gradiented plate to deal with uneven colors of green screens and another new keying node which allows you to create mattes faster.
Game Engine
More Features

Apart from the major improvements in different areas, there were lots of smaller changes such as improvements in node editor, smoke, user interfaces; new tools for curves and meshes.


Collada

The Collada exporter has been improved for better support of export to Game Engines. Various options have been added for full control of the exported data.
Bug Fixes
Lots of new features were added in this release, but it also includes lots of bug fixes that existed in previous releases


Blender 2.63 Release Notes

Under Development
Blender 2.63 is currently being tested for release. See the release schedule and targets.

Release Candidate
A number of test builds and release candidates will be made available before the official release.

BMesh

BMesh is the new Blender mesh system with full support for N-sided polygons instead of only triangles and quads.

In particular there is a new Dissolve tool to remove vertices, edges and faces without making holes in the mesh, a new Inset tool to inset faces, and a much improved Knife tool which takes advantage of N-gons to generate clear cuts. Tools such as subdivide and loop cut will also generate clean topology because faces no longer have to be triangulated.
Cycles

Among the features added in this release are support for rendering environment maps, render layer mask layers, a shadow render pass, ambient occlusion and float precision textures.
Motion Tracker

Motion tracking got some improvements which are mostly relates on 2D stabilization and few smaller tools.
More Features
Other new features in this release include face hiding for sculpting, a compositing node to output multiple files at once or multilayer EXR files, new tools for linking and detaching nodes and more particle rotation options.
Addons
Bug Fixes
This release was mainly focused on stabilizing BMesh, but also includes 110 fixes for bugs that existed in previous releases.


Blender 2.62

The Blender Foundation and online developer community is proud to present Blender 2.62. The 2.6x series is being targeted at including all work that happened in branches or patches past years.

The Cycles render engine now has layers/passes, you can track objects inside videos now, have much better and faster boolean intersections and use great new UV Tools.

Check the list below for highlights and the full changelog.

Released: February 16th, 2012.

Cycles Render Engine

A number of new features were added, including render layers and passes, multi GPU rendering and selection of GPU device, improved sampling for complex environment maps, border rendering, BVH caching for faster rendering of camera fly-throughs, and new shading nodes for color correction and a checkerboard texture node.


UV Tools

Many new UV editing tools were added: an advanced interactive stitch tool, to align and join together UV islands. A subdivision surface aware UV unwrapping to reduce stretching. Seam marking in the UV editor, and a tool to compute seams for islands. Sculpting tools to grab UVs and relax or pinch unwraps.


Remesh modifier

The Remesh modifier is a tool for generating new mesh topology based on an input surface. The output follows the surface curvature of the input, but its topology is a uniform distribution of quads. It can generate smoothed output or tag sharp features to better capture corners.


Collada

A Second Life compatibility option was added for exporting armatures, along with a number of other fixes related to transformations and armatures. There is also a new development team that will try to improve the Collada integration further in following releases.


More features

Other new features include: improved bump map quality in the viewport, various new dynamic paint options, international text copy and paste and editing in the text editor, longer names and file paths, drag and drop parenting in the outliner, new theme's preset system and many more changes.


Motion Tracking

Object tracking support has been added, so that not only camera animation can be reconstructed from footage, but also the animation or transformation of objects in the scene. This comes along with many improvements to the tracking user interface and tools.


"Carve" Booleans

The boolean modifier now uses the Carve library, which should give much improved results. This library is more stable and faster, resolving old well-known limitations of our previous library. The general workflow and options available in the user interface are unchanged, usually the modifier will simply run faster and produces a better output mesh. However there also some changes in behavior.


Game Engine

The game engine user interface was polished, editing text objects in the user interface and through the python API has been made easier, full screen and antialiased rendering has been improved, along with various other changes.


Python API

Matrices and vectors math classes were improved in various ways. Column-major access was changed to more standard row-major access and easier access for rows, columns, translation was added. Vectors now can have arbitrary size, and matrices are now pretty printed in the console.


Add-ons

Network render now has support for version control systems, render engines, point cache baking jobs, and a new web interface was added, along with a number of other improvements. There were also features added to After Effects export, X3D export, Atomic Blender PDB import, MHX import, UV layout export, and Screencast Keys.

Bug fixes

As usual, each release includes a long list of bug fixes. For Blender 2.62, we have fixed 205 bugs in existing features.

http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.62


Blender 2.62 RC

http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.62


Blender 2.61

The Blender Foundation and online developer community is proud to present Blender 2.61. The 2.6x series is being targeted at including all work that happened in branches or patches past years.

Most notable in this release is the new render engine Cycles, the Camera Tracker, Ocean Simulation texture and Dynamic Paint. Check the list below for highlights and the full changelog.

Released: December 14th, 2011.

Cycles Render Engine

Cycles is a new render engine that is available next to Blender Internal. It is a raytracing based render engine with support for interactive rendering, a new shading node system, new texture workflow and GPU acceleration. It is still in development, and more production features are planned to be added, this is the first preview release.

Dynamic Paint

Dynamic paint is a new modifier and physics system that can turn objects into paint canvases and brushes, creating vertex colors, image sequences or displacement. This makes many effects possible that were previously difficult to achieve, for example footsteps in the snow, raindrops that make the ground wet, paint that sticks to walls, or objects that gradually freeze.

More features

Camera sensor size and presets, improved image saving, 3D mouse color wheel editing, more translations to other languages, node muting improvements, region drawing tweaks, and many more small changes.

Add-ons

New Addons in this release are an Adobe After Effects exporter, Atomic Blender (Protein Data Bank) file importer, Acclaim and C3D motion capture importers, and Nuke camera animation exporter and importer.

Motion Tracking

Motion tracking support has been added, to reconstruct camera animation from real footage, and composite 3d rendered object into movie clips. A new Movie Clip editor for loading clips, tracking points and reconstructing motion was added. Constraints can apply this reconstructed motion into the scene, and compositing nodes are available for (un)distorting rendered animations or real footage.

Ocean Simulation

Ocean simulation tools take the form of a modifier, to simulate and generate a deforming ocean surface, and associated texture, used to render the simulation data. Ported from the open source Houdini Ocean Toolkit, it is intended to simulate deep ocean waves and foam.

Python API

The render engine API has been extended for closer integration, a mechanism to detect changes in scenes and persistent callbacks were added, the noise module was updated, and easier access to library datablocks was added, along with various other changes.

Bug fixes

180 bugs that existed in previous releases have been fixed!


Blender 2.61 Release Notes

Under Development
Blender 2.61 is currently under development and release notes are a work in progress, see the release schedule and targets.

Release Candidate is out!

You now can download release testbuilds for 2.61. Use these builds as reference before filing bug reports!

http://download.blender.org/release/Blender2.61/

Prominent Features
Motion Tracking
Motion tracking support has been added, to reconstruct camera and object animation from real footage, and composite 3d rendered object into movie clips.
A new Movie Clip editor for loading clips, tracking points and reconstructing motion was added. Constraints can apply this reconstructed motion into the scene, and compositing nodes are available for (un)distorting rendered animations or real footage.
Cycles Render Engine
Cycles is a new render engine that is available next to Blender Internal. It is a raytracing based render engine with support for interactive rendering, a new shading node system, new texture workflow and GPU acceleration.
It is still in development, and more production features are planned to be added, this is the first preview release.
Dynamic Paint
Dynamic paint is a new modifier and physics system that can turn objects into paint canvases and brushes, creating each vertex colors, image sequences or displacement.

Ocean Simulation
Ocean simulation tools take the form of a modifier, to simulate and generate a deforming ocean surface, and associated texture, used to render the simulation data.

More Features
List of other changes.

Python
The Render Engine API has been extended for closer integration, a mechanism to detect changes in scenes was and persistent callbacks were added, along with various other changes.
List of Python changes.
Addons
A new addon was added to export animation data to Adobe After Effects. The camera and placeholders for all of the objects you select can be exported and used to link After Effects' filters or layers basing on your scene created in Blender.
List of Addon changes.
Bug Fixes
While many new features have been added, 117 bugs have also been fixed, see the list of bug fixes.


The 2.60a release is a bugfix release for 2.60

3D window: Armature-bones with wire draw type were not displaying in solid view mode - r41113
3D window header: After collapsing the pull-down menus, no icon available to make them show again. - r41117
Dopesheet: Fixed crash when moving keys in editor - r41128
Audio export: 7.1 export was being miscalculated - r41132
Game Engine: Action actuator breaks animation. IPO options can be set too frequently - r41134
3D Window: missing updates when changing smoke flow settings - r41151
Node editor: missing updates when assigning/removing Materials on Objects - r41152
Adding a new pose to the Pose Library crashed - r41175
Fix for un-handled exception in audio library - r41203
Incorrect keying set names 'Scale' vs 'Scaling', where 'Scale' was hard coded in auto keyframe when 'Only Insert Needed' - r41211
Python: RNA/API, getting Event.ascii would crash - r41214
Addons / Exporter: Quake MAP export gives an error for UV textured geometry - r2504


Blender 2.60

The Blender Foundation and online developer community is proud to present Blender 2.60. This is the beginning of the Blender 2.6x series, targeted at including all work that happened in branches or patches past years.

Most notable in this release is 3D audio, UI translation, improved weight painting and a lot of animation system updates. Check the list below for highlights and the full changelog.

Released: October 19th, 2011.

Roadmap

We're reviewing with all branch/patch developers the status of their work and making a migration schedule for all new features. This could include projects like new Mesh editing (BMesh), paint/sculpt improvements, Rigid Body Physics, new Curve/Nurbs system (Nurbana), Ocean Sim render, Particle Nodes, OpenCL compositing, Cycles render engine, Camera/motion tracking, and so on.

We do this in a series of small steps; with stablest branches first. This is the "2.6x series" resulting in a number of releases named 2.60, 2.61, 2.62 and so on. Each release is supposed to be stable, only finished branches will be added. Plan is to make a very tight schedule for this, with a bi-monthly release.

For Blender 2.6x the UI, Python API and general design specifications will remain on 2.5 compatible level, although there are several 2.5 leftover projects to complete still.

3D audio & video

3D audio and speaker objects were added, along with various improvements to the sound system. It's now possible to place speaker objects in the scene, make an animation and mix down to an audio file. Sequence editor proxy support was restored, which can now work in the background, along with support for building timecodes to make scrubbing on all video types possible.

Vertex weight groups

Vertex group modifiers were added. There are three modifiers: one to edit existing vertex groups, one to mix groups together, and another to generate vertex groups based on proximity to other objects. Weight painting tools were added to lock vertex groups, automatically maintain the ratio between different bones, and for fixing poor deformation of vertices.

Game Engine

Navigation Meshes were added for the game engine, used for path finding, so that actors can find the path to a target or flee away. This functionality was implemented using the Recast & Detour libraries.

Texture Face settings moved to materials, for consistency and easier editing. Existing files may need some updates.

Game engine animation was improved internally, with as main external change the unification of F-Curve and Shape Action Actuators into a single Action Actuator, which now includes layering support.

Add-ons

Two new addons have been added to the release: Screencast Keys, to show key presses on the screen for making video tutorials, and Motion Capture Tools, which includes various tools for working with motion capture animation. There have also been various fixes and improvements to importers and exporters, the measure panel, paint palettes, renderfarm.fi uploader, ... see the list of addon changes for details.

Animation system

Animation system improvements were done, especially relating to usability and to polish the interface. Includes changes to the graph editor, dopesheet editor, NLA editor, curves, drivers, constraints, posing, ... Collada integration was improved, making import and export more complete and fixing various issues, especially related to armatures and animation.

UI translation

Internationalization and support for non-western fonts were added, to display the user interface in languages other than English. Efforts to translate in the most common languages is underway, and volunteers are welcome to contribute translations.

More features

Various other features have been added, including a frame node, sequence editor utility operators, improved outliner search, grease pencil poly line drawing, performance improvements, ... List of changes.

Python

New python API features include callbacks for various events, GLSL shader export, environment map texture load/save, texture evaluation and various other utilities.

The behavior of Vector() * Matrix() multiplication was also modified, this may require some script updates.

List of changes.

Bug fixes

While many new features have been added, many bugs have also been fixed, see the list of 165 notable bug fixes. http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/changelog_260/Bug_Fixes


Blender 2.60 RC2

http://wiki.blender.org/index.php/Dev:Ref/Release_Notes/changelog_260

Since May 2011 we're reviewing with all branch/patch developers the status of their work, and make a migration schedule for all new features. This could include projects like new Mesh editing (BMesh), paint/sculpt improvements, Rigid Body Physics, new Curve/Nurbs system (Nurbana), Ocean Sim render, Particle Nodes, and so on.

Combining these upgrades with a redesign of shader/light system ("Cycles"), Open CL compositing, motion/camera tracking, and all the new Google Summer code projects... it'll become a massive amount of upgrades again.

We do this in a series of small steps; with stablest branches first. This is the "2.6x series" resulting in a number of releases named 2.60, 2.61, 2.62 and so on. Each release is supposed to be stable, only finished branches will be added. Plan is to make a very tight schedule for this, with a bi-monthly release.


Blender 2.59 update log

This is mostly a bug fix release with 140 fixes since 2.58a. Additions include improved keymap editing, 3D mouse support, some new addons and Node UI improvements.
Prominent features (the cool stuff)
3D Mouse support "NDOF"

Blender is now built with support for 3D Connexion devices, for more natural control during view navigation and fly mode - r38908
Custom Keymaps

User edited keymaps now no longer override the builtin keymaps entirely, but rather save only the difference and reapply those changes. This means they can stay better in sync when the builtin keymaps change.

Keymaps in blender are now separated so Addons can properly define their own keymaps without them conflicting with user keymaps

See commit log for details - r39084
Ivy Generator (Addon)
IvyGen-Example-marnal.jpg

This tools adds the ability to "grow" curves over an existing mesh with the option of adding leaves and adjusting many parameters for the final result - r2200

See: http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Curve/Ivy_Gen
Sapling (Addon)

This tree generator creates completely parametrically generated trees from curves - r2119

See: http://wiki.blender.org/index.php/Extensions:2.5/Py/Scripts/Curve/Sapling_Tree
Grease Scatter (Addon)
Object grease scatter.png

Grease scatter was used for sintel to place objects around the ally, using grease pencil lines as a guide as to where to scatter objects - r2125
Node editor enhancements

Several enhancements are done related to the node editor/compositor.

Material passes: Materials have pass-index. This pass-index can be used in the compositor to create mattes. It works the same as object passes.
Node insert: Nodes that have no connections can be inserted on a noodle. Just move the node over the noodle and release when the noodle turns orange.
Delete with reconnect: It is possible to delete a node that is connected in the tree, without loosing the connections. The node is deleted, but the links are reconnected as if the node were muted. Select a node and press CTRL-X.
Noodle curves: Some users like straight noodles, other like curved, in the user preferences the level of the curvation can be changed.
Node properties: The UI of the side panel and on the node can now be different. See the Color balance node in the side panel.

Additions

Material passes (like object passes), (See commit log for details) - r38090
New option for multires modifier: Subdivide UVs - r38783
Improved bleed option when baking for seamless edges on UV bounds - r38654
Node: Add delete with reconnect feature - r38344
Node: Curvature is now a setting - r39015
Node: On dragging a non-connected node on a noodle, it will insert it - r38609
UV Straighten tool - r38598
Object Align: high quality option for perfect alighment http://www.pasteall.org/pic/show.php?id=15171 - r38511

Python API:

Object.closest_point_on_mesh() function - r38449
bpy.path.basename because "//" prefix breaks os.path.basename - r38528
Vector.length_squared to use instead of vec.dot(vec) - r39300

Fixes
Tools/Editors:

fix #27849 3D manipulator widget lost on mesh in edge mode - r38085
fix #27915 Relax Pose crashes blender on bone with ChildOf constraint in linked rig - r38257
fix #27883 object actions did not get duplicated on full scene copy - r38150
fix #27902 autokey bones with individual origins transform not working - r38229
fix #27891 IK stretch gives inaccurate results. Tweaked translation segment convergence weight a bit to match angles better at typical scales - r38232
fix #27866 Curve handle snaps/locks when it shouldn't - r38256
fix #28003 Unable to delete vgroup - r38471
fix #27927 Border select tool fails to select nodes in Node Editor using tweak mode - r38475
fix #28052 PET: Shift-O cycling skips "random falloff" - r38595
fix #28079 UV propertional editing was incorrectly influenced by the mesh X mirror option - r38699
fix #28066 Unchecking 'self project' messes up 'Snap to Vertex' - r38752
fix #28095 Select Pattern don't select all the bone in edit mode & some style changes - r38779
fix #27719 custom RNA properties fail to update drivers - r38793
fix #28117 Diffuse reflection IPO curve not imported correctly from 2.49b files - r38827
fix #28178 make single user copy of object data doesn't work - r39117
fix #27819 Unwrap Menu (U) -> Lightmap Pack throws Python Exception - r38212
fix #28197 Undoing Grease pencil removes last 2 strokes - r39235
fix #28186 textboxes properties not animatable - r39214
fix for crash undoing grease pencil session - r39237
allow bone transforms again for proxy'ed bones - r38071
corrected View Selected operator for image editor so now it works fine for images with different X and Y aspect ratio - r38559
Object Align now correctly computes a global bounding box for all objects - r38510

Sculpt/Painting:

fix #28096 Custom gradient for weight painting in mask mode not working properly - r38785
fix #28112 Vertex paint crash - r38890
fix #28061 Texture (paint) bleeding on edges - r38893
fix #28121 Linked Library objects or object->data should not allow to go to sculptmode - r38855

Modifiers:

fix #27839 UV 'Project from view' ignores camera lens shift - r38052
fix #27861 bevel angle limit at 90deg wasn't working well on cube - r38110
fix #27921 optimal display with 2 subsurf modifiers fails - r38298
fix #27930 many modifiers crashed when used on a lattice with a vertex group - r38300
fix part of #27858 crash trying to apply subsurf modifier as shape key - r38115
fix part of #26811 absolute shape keys should not show influence value in list - r38188
fix: uv project panorama mode was scaled 2x too high - r38054
fix: uv project scaled camera objects would incorrectly effect the result - r38054

Physics:

fix #27347 Particle x-axis mirror editing not working as expected - r38102
fix #27579 Particle cache problem with multiple systems - r38105
fix #27182 particle/collision kill interacting strangely - r38106
fix #27855 crash on enabling high resolution smoke - r38119
fix #27876 particles instancing a whole group didn't take group offset into account - r38141
fix #26962 softbody collision doesn't respect subsurf+displace modifiers - r38235
fix #27683 Blender hangs when baking a particle system when a driver is present - r38265
fix #26873 Animated displacement modifier on an object doesn't work with hair particle objects - r38285
fix #27289 Hair: Render Option - Object does not point objects to end of "hair path" - r38287
fix #27293 Group Instance of particle system is rendered wrong - r38292
fix #27398 Particle systems with animated groups render incorrectly in viewport - r38293
fix #26712 Particle group instance 'Use Count' value gets reset on file-load - r38413
fix #27307 Blender crashes when loading a new scene while baking fluid dynamics - r38408
fix: particle cache should only be cleared on the exact first integer frame, not in the case of a subframe between the first and second frame - r38463
fix: Effector calculations were not thread safe - r38663
fix: loading a file that had particles using a dupligroup from a liblinked file without the library file being present crashed - r38883

Display/Viewport:

fix #27862 OpenGL render animation don't respect .png RGB option - r38109
fix #27810 bones drawn blue in 2.49 file, was still checking stride bone, flag for drawing even though that feature is no longer in 2.5 - r38112
fix #27826 bone envelope head/tail radius not dynamically updated in viewport - r38114
fix #27897 mesh with negative scale disappears while sculpting, clipping planes were wrong in that case - r38236
fix #28037 Camera missing orange selection lines
fix #28206 Motion Paths shown in 3DView even when Only Render option is enabled - r39259
fix part of #27944 color managment discrepancy in GLSL materials with nodes - r38790

Sequencer (Video Editor):

fix #27846 time extend / E key not work in sequence editor - r38113
fix #27848 sequencer strip hard cut looses soft trim on second strip - r38122
fix #27880 sequencer separate images operator lost strip properties like blend mode, opacity, etc - r38145
fix #27879 sequencer didn't draw overlapping strips well, selected were drawn under unselected, and active strips red border color for active strips was not clear enough - r38151
fix #28018 Sequence Swap Data Operator does not work - r38500
fix #28160 Pressing Y on an image sequence to seperate the images takes them out of their meta strips
fix: add strips not checking for overlap by default - r38775

Collada:

fix #27854 Collada import doesn't handle UVW mapping - r38169
option to export only the selection - r38079

Rendering:

fix #27777 vertex color disabled when in a reused node material - r38128
fix #27873 nan pixels in render with degenerate faces - r38139
fix #27888 Render artifacts in 2.58.1 - r38258
fix #27761 Deleting a material output of many causes no output
fix #28034 0.0 Alpha transparency with Raytrace Mirror doesn't render - r38576
fix #27910 baking ambient occlusion, do not consider closer object - r38599
fix #28201 blender crashes when "mpeg" selected for animation rendering - r39243
fix for crash of multires baker when baking from sculpt mode - r38439
fix bug with multires baking to float buffers - r38555

Compositing:

fix #27875 different texture nodes result after decompose/compose - r38140
fix: bokeh blur in the blur node is wronlgy calculated - r38347

Game Engine:

fix #27348 blenderplayer showing a different viewport size in 2.57b - r38501
fix #28026 Copy Game Property broken - r38635
fix #23874 Custom projection matrix doesn't work in custom viewport - r38696

Python:

fix #27863 converting curve spline type from python crashes - r38111
fix #27922 using preset_paths() with an absolute path returns twice the same thing raise an error when an invalid subdir is passed to preset_paths() - r38543
fix #28035 point density texture doesn't bake - r38700
fix #28111 material.pop breaks mt->mat_nr - r38879
fix #28196 assigning RNA arrays such as face UV's would fail in some cases - r39233
fix #28191 error when enabling an addon newer then the blender version - r39212
fix for bpy.path.abspath(), if a path was passed it would get the last directory cut off - r38504
fix for crash when setting layers or saving when there is no active scene - r38077
fix for scripts with python 3.3 - r38294
fix for crash/assert on running dir() on a non collection property - r38850
bgl.Buffer: supports slicing again - r38447
bgl.Buffer: fix for crash with negative index access not being clamped - r38447
corrected matrix, vector multiplication order (was wrong!) - r38674
rna function calls with optional parameters were not giving correct default values for arrays - r38735
allow pose bone matrix to be set - r38193

Interface:

fix #27900 file browser filter, sort, .. parameters were not saved. This is useful if you have a screen setup with a file browser editor - r38233
fix #26704 activating a texture node inside material nodes did not show that texture in the texture properties - r38370
fix #28005 Python Add-Ons are constantly reloaded if twice in the path - r38468
fix #28098 Continuous Grab does not work for movement of the "Backdrop" in the Node Editor - r38761
fix #27951 armature edit mode transform panel shows "nothing selected" even when something is selected - r38356
fix #28172 Cannot restore Add-ons tab in user preferences after a failed attempt to install an add-on - r39117
fix #28213 Imperial unit for 0.001 inches inconsistently displayed as mils and thous - r39297
fix: icon scaling with the DPI setting - r39066
fix: python error in image sampling panel drawing when there is no texture slot available - r38371
fix: icon listview where the icons would only wrap once - r38743
include menu ID's in tooltips when python tips are enabled - r38723

System:

fix #27850 keyboards with a comma instead of a dot on the numpad now get converted to a dot when typing into number buttons, for easier number entry - r38080
fix #27865 weird mouse warping with continuous grab on OS X - r38129
fix #27877 writing .avi files > 4 GB not working on windows - r38142
fix #28109 Old issue with OSX Cocoa code: shift+scrollwheel should send a 'horizontal wheel' event to Blender - r38848
fix #28102 Typing 'C:' into the file selector's directory asks to make a new directory - r39046
fix #28087 Opening files in the text editor ignores the last newline 'n' - r38722
fix "Problem with clock" at 18:39:00, the overflow of the clock was causing crash in the game engine in Linux - r38495
fix Modifier key sticks after Alt-tab on Win32 - r38826

Blender Addons
Import/Export:

DirectX
Export fix for relative paths - r2084
fix for direct-x exporting vertex groups which had indicies out of the objects defgroup range - r2177

Make Human (MHX)
Importer Support for rigify - r2090
Added switch for ignoring Limit rotation and distance constraints - r2206

Quake MAP Export
fix 27860 Quake MAP export error for 2.58.1 - r2093
fix 27949 r2121 Quake MAP exports incomplete brush data from 2.58.1 - r2160
added options: scale, snap to whole value, face thickness, default brush - r2160

X3D
fix issue #1 27896 Names exported as "MA_Black".001 - r2108
fix issue #2 27896: zero length rotation axis exported - r2188
fix issue #3 27896: exporting dupli objects failed - r2189
fix 27833 X3D export incorrectly uses collision node - r2150
fix export non existing IndexedTriangleSet.creaseAngle - r2194
fix for exporting empty scene - r2220

OBJ
fix exporting dupli objects - r2197
fix 28146 OBJ export fails when mesh has no material - r2211

3DS
fix 28150 transformation matrix not exported - r2214

Lightwave
fix 27916 Crash adding EdgeSplit/Bevel modifier to imported lwo mesh - r2135

FBX
fix 27964 2.58 FBX Export can result in missing data and lost animation(s) - r2140
fix 28029 Exporting linked groups to FBX to load on Unity3D - r2141
fix error where armature connections were written out twice - r2205
added option not to export 'Default Take' - r2212
Add XNA compatibility mode - r2205
Option to export XNA compatible armature rotations - r2205
Option not to export mesh edges - r2205
Always export armatures as 'Limb' type - r2205

Other:

Netrender
fix 27796 Netrendering "path:" failing - r2167

Save As Runtime
Skip expoting python libs on OSX since its already included - r2091
fix 27995 phyton32.dll caused "Appcrash" => Runtime crashes - r2191


Blender 2.58a update log

This is mainly a bugfix release containing 25 fixes and various small improvements.
Additions

More flexible size options for particle billboards. This adds scale factors for width and height of billboards, relative to the particle size. It's useful when the particle size is primarily used for collision and the like, so the billboard appearance can be adjusted independently. Also allows non-square billboards.
In addition the billboards can be scaled by the particle velocity with optional head and tail factors (similar to line drawing options). This allows for pseudo-motionblur effects. - r37760
Addon UI: button for removing addons which are installed to user/home paths - r37950

Python API:

Python application event handlers - r37795
adds bpy.app.handlers which contains lists, each for an event type:
render_pre, render_post, load_pre, load_post, save_pre, save_post
each list item needs to be a callable object which takes 1 argument (the ID).
callbacks are cleared on file load.
mathutils.geometry.intersect_line_sphere(l1, l2, sphere, radius, clip=True) - r37820
RenderEngine API: add self.report() error reporting function for render engines, works the same as for operators. - r37916

Fixes
Essential Fixes:

fix: Tile-able displacement map / tile-able painting regression in 2.58 - [#27782], r37899
fix: bake crash with deep shadow, strand and children - [#27807], r37970
fix: incorrect use of GL_ARB_vertex_buffer_object, could crash blender - r37881
Thumbnail save for .blend crashed, when being in editmode for a mesh that has other object users as well. - [#27765], r37810
fix: Multires lost from 2.49 file in 2.5x - [#27710,], r37837

Other Fixes:

CMake was installing .bfont.ttf in the config dir which made updating from the previous blender version fail - r37725
fix: Driven properties not checked for legal UI bounds - [#27726], r37744
GHOST Cocoa: move y origin top/bottom conversions out of windowmanager module and into GHOST. Also fixes a problem where e.g. the user preferences window would not open under the mouse cursor correctly. - r37765
revert commit 27133: Committing patch [#27133] "Fix for for Object Color in BGE" by Kupoman. This was causing a lot of backward compatibility problems and side effects. - r37773
W special menu for changing orthographic camera lens scale was missing - r37782
fix: Black and White Render doesn't work and/or Saves as a Blank screen, convert to grayscale when saving renders rather then only writing the red channel. - [#27746], r37783
fix: Modal operator in Special Menu (W) ignores continues grab - [#27747], r37784
fix: Smart UV project no longer works in 2.58 failed with active, unselected objects. - [#27742], r37785
free_bvhtree_from_mesh was incorrectly using sizeof() when clearing memory. - r37787
Fix undeterministic behavior of volumetric renderer - [#27748], r37802
Made clearer in the UI that the approximate multiple scattering always enables light cache
Fixed a potential problem in anisotropic scattering
Default startup theme used same node header color for "in/out" nodes as for "inactive or undefined" nodes. This made it impossible to see which of the output nodes in node setup was 'active' - [#27761], r37808
fix python errors when the sculpt brush is None - r37836
fix for a leak in sound_read_sound_buffer(), used when drawing the sequencer waveform. - r37845
fix: Set Bone Flags - No Scale - Toggle fails - [#27778], r37850
fix: On clicking in a non-active Blender window (when you activated others), the mouse position of the first click was still the old position. - [#27768], r37854
fix: Blender player on OSX not working - [#26850], r37861, r37862, r37865
fix: Smart UV Unwrap Results in Overlaps - [#27787], r37889
Closed regions didn't always draw the (+) icon right place, confusing for users. - r37986
fix: foreach_get was failing on readonly properties - [#27820], r38006
fix: Outliner does not update when parents are cleared - [#27816], r37999


Blender 2.58

The Blender Foundation and online developer community is proud to present Blender 2.58. This is the second stable release of the Blender 2.5 series, representing the culmination of many years of redesign, development and stabilizing work.

We name this version "Stable" not only because it's mostly feature complete, but especially thanks to the 1000s of fixes and feature updates we did since the 2.5 beta versions were published.

The next 6 weeks we will keep working on finishing a couple of left-over 2.5 targets and we expect to get feedback and bug reports from users to handle as well. If all goes well, the 2.59 version then can be the final release of the 2.5 series, with a massive amount of new projects to be added for an exciting cycle of 2.6x versions. Target is to release updates every 2 months this year.
The massive 8 page log with changes since 2.57 is here!

June 22, 2011
Blender 2.5 Series Roadmap

What to Expect in 2.58

Big improvements in stability. Since the last version 100s of bugs were fixed.
Feature complete - Although some of the 2.5 targets have been postponed, such as multi-window support showing multiple scenes, a full RNA data level dependency graph, or radial menus.
Changes - If you're used to the old Blender, Blender 2.5 may seem quite different at first. Be prepared to read a bit about this, how to reconfigure things, and learn to use the new built-in 2.5 search functionality!

Open todos: get involved!

There's still topics that needs to be worked on before reaching the final 2.5x release target

First: check this log, you can find Known Issues at the bottom of the following feature description pages.
Second: check if the bug or issue has been added on our todo list in wiki.

This will save you (and us!) from reporting known issues! Bugs can be posted in the bug tracker or using Help → Report a Bug from inside Blender 2.5.

User Interface
Updated GUI

Blender 2.5 has a new GUI layout, with updated graphic design and a new icon set. The GUI layout has been re-designed to be clearer, better organised and easier to navigate, and is fully customisable with Python scripting. Other improvements include a new file browser, customisable tool shelf and more. Read more...
Add-ons

In Blender 2.53 we've implemented a new method for extending Blender with Python Scripts. These now are being distributed and stored as 'Add-ons" which you can choose to enable or disable each individually. This helps to keep the interface clean and well organized.

Check out the complete Add-on repository.

And the changelog for Add-on scripts.
Custom keyboard shortcuts

Blender 2.5 has been designed from scratch to enable users to configure their own keyboard shortcuts. Key definitions are be grouped in "key maps", and each map can be fully customized and saved. Keymaps can also be configured for special input methods such as directional gestures and tweak events, any-key modifiers, or multi-key input. Read more...

Internal Architecture
Data access

Now all internal data in a .blend scene file, from individual vertices, to inter-object relations, to composite node UI positions, is fully accessible with a consistent system. This enables UI controls, Python Scripting API, the animation system and more, to access and edit all scene data consistently, while providing richer interaction and feedback such as contextual help, in-place keyframing and driver expression editing, and real world units of measurement. Read more...
64 bits for Windows, Linux & OS X

Next to Linux and Windows, we now support a 64 bits versions for OS X too. This required a full recode of the low level windowing library to support Cocoa, which is good news for Blender's future on Macs in general!
Tool system

An "Operator" is the new generalized definition of a tool in Blender. This ranges from file load/save, UI layout management to adding and editing objects and its data. Because the Operator is generic, it can be called uniformly by hotkeys, menus, buttons, or via Python. Operators can be searched, chained (macros) and can provide interactive editing with real-time updates. Read more...
Python Scripting

Blender 2.5 has a full re-implemented Python Scripting API. Anything a user can interact with via the UI - data, options and tools - is also available for scripters now. Scripts are being used for Importers/Exporters, for custom tools ("Operators"), for access to other render engines, and for extending the UI in various ways.

For the next 2.58 release the API will be completed with access to internal notifiers and events to track data changes or UI refreshes.

Modeling
Sculpt and Multi-resolution

Sculpt mode in Blender has been optimized, increasing drawing and editing performance significantly, and reducing memory usage to support more detailed models. New tools have been added and existing ones improved. Multiresolution meshes have also been rewritten, now available as a modifier to integrate better with the animation system, and preserving displacements when editing the mesh topology.
Paint Brushes

Blender's method of accessing brushes for painting tasks has been updated and streamlined. Brushes store all paint-related settings, such as size, strength, tool type, textures and influence curve, and can be switched between in the brush list box or with shortcut keys. As well as the preset brushes included with Blender, you can also save your own, and assign your own shortcut keys to them.

Sculpt Brush and Stroke Upgrade

In Blender 2.54 Beta the focus has been on bug fixing and stabilizing the scripting API in the form of a renaming operation to unify naming and changes to property creation and access.


Solidify Modifier

Blender 2.5 now includes a Solidify modifier, used to non-destructively add thickness to thin meshes (similar to 'shell' modifiers in other applications). Solidify allows you to model a simple thin mesh surface, and have a solid thickness automatically extruded by the modifier.





Animation System
F-Curves, Actions, NLA

One of the 2.5 specs is "make everything animatable". The implications of this didn't make it easy to just port things over, so a couple of important redesigns were needed: Individual properties are animated with F-curves, grouped into actions, and can be instanced and layered and mixed non-destructively in the NLA editor. Effects such as noise and enveloping can be added to animation curves and NLA clips with F-curve modifiers. Read more...
Spline IK

Spline IK is a constraint which aligns a chain of bones along a curve. It is particularly well suited for rigging flexible body parts such as tails, tentacles, and spines, as well as inorganic items such as ropes. Read more...
Animation Editors

The animation editors have had a complete refresh in Blender 2.5 with a new graph editor, supporting multiple objects and F-curves simultaneously, a scene-wide dopesheet, a redesigned Non-Linear Animation editor and new functionality for shape animation, driver, expressions and keying sets. Read more...

Physics
Smoke Simulation

Blender 2.5 includes a new fluid-based smoke simulation engine. Alongside this is capability to scale up a low-resolution sim, maintaining detail with wavelet turbulence. Smoke can be generated by input particle motion, and can be affected by colliding obstacles and force fields. The smoke data is output as voxels, which can be rendered as a volume. Read more...
Particles

Particle systems have had a refresh, now taking advantage of fully interactive animation playback and editing. New additions include particle path editing with brush tools, a new point caching system, new boids physics and hair dynamics using cloth simulation. Read more...

Rendering
Volume Rendering

Blender 2.5 includes a volume material, intended for rendering particles and gases such as smoke, clouds, and fire. All procedural textures are supported as data sources, as well as two new textures for rendering voxels (such as smoke sims) and point clouds. Various shading options are available from wispy mist-like volumes, to physically based scattering and self-shadowing. Read more...
Ray tracing optimization

As part of the google summer of code, the ray trace acceleration system has had a complete overhaul, making it significantly more efficient and with support for new features such as instancing. Now multiple BVH based acceleration structures are available, in artists' terms, rendering some scenes up to 10x faster! Read more...

Color management

Blender 2.5 includes a first version of Color Management. Currently this is limited to ensuring Linear Workflow during the render pipeline - gamma corrected inputs are linearized before rendering, the renderer and compositor work in linear RGB color space, and is gamma corrected back to sRGB color space for display in the image editor.

Future work may include support for display profiles, LUTs, and finer grained control over input/output conversions.
Other rendering features

Additional rendering features in 2.5 improved bump mapping and image texture filtering, an initial version of deep shadow maps, color management (integrated linear workflow). Read more...

More

More new features, that still needs to be documented on this page:

Installation paths and OS conventions
Windows version: Blender now starts with Command Prompt hidden
External Render Engine API
Python interactive console.
Scopes Display in the Image Editor
Non-blocking Reports in top header
Screw Modifier
Fluid Particles
Network Render
Game Engine Mode in UI
Approximate Indirect Light
Improved sequencer core: it's faster and needs less memory
GameLogic/Audaspace GSoC project merged
load binary data as .blend from memory
Installer for Windows installs since 2.56 in %USERPROFILE% by default
COLLADA support has been stabilized considerably, with improvements to mesh, material, light and node structures
BVH Motion Capture Export
SVG Vector Graphics Import
Blend file thumbnails for Windows and Gnome Desktop Environment.


Blender 2.57b update log
Essential Fixes

* fix crash when pressing Enter on menu item which load a file: Ctrl+N,Enter or Ctrl+O,Enter r36287
* fix crash appending/linking objects #27158, r36313
* fix crash for files saved with file selector open r36321
* fix crash with edge split modifier #26993, r36330
* fix for numerous cases where material links would be lost when making object data local #27178, r36332
* fix for crash getting the vertex weight from object types which don't support this vertex groups. r36291

Rendering:

* fixed a memory leak on canceling bake r36284
* fix for memory leak with node group members that have multiple ouputs some of which are unused #27104, r36290
* fix for node socket bug which lead to incorrect black/white output levels r36306
* fix 3d text and simple deform modifier giving bad results #27048, r36301
* fix for boid particles getting Z clamped to 0.0 when "Allow Flighting" is on. #27112, r36325

Tools:

* fix changing selected shapekeys in editmode causing badly deformed keys #26959, r36296
* mesh.dupli_extrude_cursor (Ctrl+Click extrude), failed when the selected vertex was behind the view #27091, r36279
* fix all mesh normals being recalculated when adding meshes in editmode #27121, 36323
* skip displace modifier when no changes are needed r36319
* setting subsurf with Ctrl+1/2/3/4 now works in editmode too. #27126, r36299

Python:

* fix for crash exporting Collada files to an invalid path #27162, r36326
* RegionView3D.view_rotation was inverted, view_matrix is now writeable r36317

Interface:

* slider widget was showing strange colors with some themes #27139, r36324
* fix for text editor syntax highlighting glitch when changing tab width. r36294

Additions:

* added support for sculpting on blended shape keys r36295
* new view 'dolly', zoom which moves the view port forward in perspective mode, not restricted by the view rotational pivot. (Ctrl+Shift+MMB). r36283
* continuous zoom now uses dolly settings for horizontal/vertical mouse & inverted movement.
* convenience button in modifiers panels to allow switching to the physics tab r36327

Blender Addons

* Unreal Engine Format
o fixed error on export single/all/select action sets.
o added weight when import into blender and filter out the ext.

* OBJ Format
o fixed importing OBJ groups as vertex groups. [#27149], r1865
o fresnel setting was broken on import [#27170], r1869
o importing vertex order was not maintained (added option back) [#27145], r1867

* Povray Render Support: Detect povray binary on unix.
* DirectX Export: Improved phong shader setting. r1871


Blender 2.57a update log
Essential Fixes:

sculpting partial redraw glitch #26932, r36161
crash on entering 3D text editmode (OSX only) #26930, r36179
crash on loading 2.4x files #26904, r36148
loading file with packed audio crashes #26990, r36213
loading large blend files speed-up r36241, r36244

Rendering:

black dots with raytrace reflections & bump mapped dupli-objects #26902, r36165
render crash when tangents are used with modifiers that remove orco coordinates #26933, r36170
incorrect errors for panorama & orthographic camera combination #26906, r36184
no output from texture node group #27034, r36251
crash setting voxel data to negative resolution #27083, r36256
crash when loading invalid voxel data and resource leak - never closing files #27084, r36257
wrong sequencer alpha gradient #25713, r36197

Interface:

top bar 'Add -> Mesh -> UV Sphere + Enter' - crashed #27058, r36242
buttons with centered text truncating the first characters when there wasn't enough space #26937, r36174
single grease pencil points drawing very large in the image editor, r36154
incorrect relative path used when opening audio #26949, r36209
unpacking sounds with a long ID name #27015, r36214
ambiguous operator names in the search popup #26977, r36221
crash copying datablocks with ID Property arrays #26967, r36229
console is not hidden when start blender #26884, r36243
outliner objects showed "active" or "selected" in confusing ways #27026, r36248
freedesktop icons, incorrect install location and copying SVG #27086, r36260, r36261
sunsky presets used deprecated property names #27094, r36268.
non-functional user preference for clamping texture #26955, r36186
smooth tangent iteration field in curve panel not responding #26989, r36198
text editor indentation correction when when line contained ',' or ':' in a string, r36187
text editor copy/paste breaks formatting of script #27014, r36236

Tools:

"make fur" gave errors with multiple selected objects. r36250
mesh editmode de-selecting edge loops #26931, r36159
dupli-extrude-cursor added wrong location when nothing selected #27016, r36216
mesh rip tool access from menu fail #26936, r36226
crash copying mesh, armature, lattice and metaball datablocks while in editmode #27096, r36263, r36264
explode modifier - apply as shape impossible #27075, r36249
add object, localview and undo error #27044, r36245
buffer overflow with string lengths for operators that took ID names, r36219

Compositing:

'Hue Correct' composite node saturates #26945, r36201
'Displace Node' composite node crashes Blender when connected to Z-Buffer #26896, r36202
lens distortion composite node delivered RGBA out with alpha zero #26901, r36212
timeline camera switch failed with compositor renderlayers #26900, r36217
rendering non active scenes from the compositor used wrong frame, r36218
modified nodes inside edited groups not updating the view #27018, r36227

Python:

bpy.context.object.collision access crash #26995, r36204
crash running the transform operator from python #27011, r36215
button input could do incorrect unit system replacements of valid python expressions r36199, r36206
bpy.utils.blend_paths(True) crash #27072, r36246

Game engine:

blenderplayer wasn't finding bundled python #26951, r36208
game engine radar sensor broken #26795, r36234

Animation:

apply scale to armature offset bone children #27006, r36211, r36233
action/NLA editor issues with animation data context #25960, r36222
particle group object viewport and render scale mismatch #27008, r36224
action editor header doesn't update when entering tweakmode on NLA strips #25960, r36225
bugs when linking particles/collision/softbody modifiers #27038, r36228
separate armature would also separate active, unselected bone r36232
available keying set fails in armature pose mode #27090, r36258
b-bone doesn't resize correctly with numeric input #27095, r36270

Additions

API for exporters to write paths with different absolute/relative options. r36155
image and compositor now show the color under the cursor as well as HSV and luminance. r36239

Blender Addons
Fixed

Add Corrective Shape Key: api update. r1830
Fracture Tools: api update r1835, r1836
Povray render export fix for writing invalid names r1842.
Unreal Engine (PSA / PSK):
fixed mesh rebuild for face id materials and vertex groups. r1839
fixed vertex group support r1844
fixed uv's and tri and quad mesh rebuild button r1832
View3D Copy Menu: fixed for new api r1845
3DS Import: support for files which reference non-existing materials. r1846
OBJ Import: loading when in pose mode failed #27019, r1848
RenderFarmFI: Added guidelines for submitting the render and fix error where hasSmokeSimulation lacked parenthesis r1850
Add Mesh Extras: missing argument to menu operator r1850

Additions

added OBJ & FBX options for exporting paths - relative/absolute/automatic/copy-file/strip-path r1828


Blender 2.57
April 13, 2011

The Blender Foundation and online developer community is proud to present Blender 2.57. This is the first stable release of the Blender 2.5 series, representing the culmination of many years of redesign and development work.

We name this version "Stable" not only because it's mostly feature complete, but especially thanks to the 1000s of fixes and feature updates we did since the 2.5 beta versions were published.

The next 2 months we will keep working on finishing a couple of left-over 2.5 targets and we expect to get feedback and bug reports from users to handle as well. If all goes well, the 2.58 version then can be the final release of the 2.5 series, with a massive amount of new projects to be added for an exciting cycle of 2.6x versions. Target is to release updates every 2 months this year.

What to Expect

Big improvements in stability. Since the last beta almost 500 bugs were fixed.
Feature complete - Although some of the 2.5 targets have been postponed, such as multi-window support showing multiple scenes, a full RNA data level dependency graph, or radial menus.
Changes - If you're used to the old Blenders, Blender 2.5 may seem quite different at first. Be prepared to read a bit about this, how to reconfigure things, and learn to use the new built-in 2.5 search functionality!

Open todos: get involved!

There's still topics that needs to be worked on before reaching the final 2.5x release target

First: check this log, you can find Known Issues at the bottom of the following feature description pages.
Second: check if the bug or issue has been added on our todo list in wiki.

This will save you (and us!) from reporting known issues! Bugs can be posted in the bug tracker or using Help → Report a Bug from inside Blender 2.5.

User Interface
Updated GUI

Blender 2.5 has a new GUI layout, with updated graphic design and a new icon set. The GUI layout has been re-designed to be clearer, better organised and easier to navigate, and is fully customisable with Python scripting. Other improvements include a new file browser, customisable tool shelf and more. Read more...
Add-ons

In Blender 2.53 we've implemented a new method for extending Blender with Python Scripts. These now are being distributed and stored as 'Add-ons" which you can choose to enable or disable each individually. This helps to keep the interface clean and well organized.

Check out the complete Add-on repository.

And the changelog for Add-on scripts.
Custom keyboard shortcuts

Blender 2.5 has been designed from scratch to enable users to configure their own keyboard shortcuts. Key definitions are be grouped in "key maps", and each map can be fully customized and saved. Keymaps can also be configured for special input methods such as directional gestures and tweak events, any-key modifiers, or multi-key input. Read more...

Internal Architecture
Data access

Now all internal data in a .blend scene file, from individual vertices, to inter-object relations, to composite node UI positions, is fully accessible with a consistent system. This enables UI controls, Python Scripting API, the animation system and more, to access and edit all scene data consistently, while providing richer interaction and feedback such as contextual help, in-place keyframing and driver expression editing, and real world units of measurement. Read more...
64 bits for Windows, Linux & OS X

Next to Linux and Windows, we now support a 64 bits versions for OS X too. This required a full recode of the low level windowing library to support Cocoa, which is good news for Blender's future on Macs in general!
Tool system

An "Operator" is the new generalized definition of a tool in Blender. This ranges from file load/save, UI layout management to adding and editing objects and its data. Because the Operator is generic, it can be called uniformly by hotkeys, menus, buttons, or via Python. Operators can be searched, chained (macros) and can provide interactive editing with real-time updates. Read more...
Python Scripting

Blender 2.5 has a full re-implemented Python Scripting API. Anything a user can interact with via the UI - data, options and tools - is also available for scripters now. Scripts are being used for Importers/Exporters, for custom tools ("Operators"), for access to other render engines, and for extending the UI in various ways.

For the next 2.58 release the API will be completed with access to internal notifiers and events to track data changes or UI refreshes.

Modeling
Sculpt and Multi-resolution

Sculpt mode in Blender has been optimized, increasing drawing and editing performance significantly, and reducing memory usage to support more detailed models. New tools have been added and existing ones improved. Multiresolution meshes have also been rewritten, now available as a modifier to integrate better with the animation system, and preserving displacements when editing the mesh topology.
Paint Brushes

Blender's method of accessing brushes for painting tasks has been updated and streamlined. Brushes store all paint-related settings, such as size, strength, tool type, textures and influence curve, and can be switched between in the brush list box or with shortcut keys. As well as the preset brushes included with Blender, you can also save your own, and assign your own shortcut keys to them.

Sculpt Brush and Stroke Upgrade

In Blender 2.54 Beta the focus has been on bug fixing and stabilizing the scripting API in the form of a renaming operation to unify naming and changes to property creation and access.


Solidify Modifier

Blender 2.5 now includes a Solidify modifier, used to non-destructively add thickness to thin meshes (similar to 'shell' modifiers in other applications). Solidify allows you to model a simple thin mesh surface, and have a solid thickness automatically extruded by the modifier.





Animation System
F-Curves, Actions, NLA

One of the 2.5 specs is "make everything animatable". The implications of this didn't make it easy to just port things over, so a couple of important redesigns were needed: Individual properties are animated with F-curves, grouped into actions, and can be instanced and layered and mixed non-destructively in the NLA editor. Effects such as noise and enveloping can be added to animation curves and NLA clips with F-curve modifiers. Read more...
Spline IK

Spline IK is a constraint which aligns a chain of bones along a curve. It is particularly well suited for rigging flexible body parts such as tails, tentacles, and spines, as well as inorganic items such as ropes. Read more...
Animation Editors

The animation editors have had a complete refresh in Blender 2.5 with a new graph editor, supporting multiple objects and F-curves simultaneously, a scene-wide dopesheet, a redesigned Non-Linear Animation editor and new functionality for shape animation, driver, expressions and keying sets. Read more...

Physics
Smoke Simulation

Blender 2.5 includes a new fluid-based smoke simulation engine. Alongside this is capability to scale up a low-resolution sim, maintaining detail with wavelet turbulence. Smoke can be generated by input particle motion, and can be affected by colliding obstacles and force fields. The smoke data is output as voxels, which can be rendered as a volume. Read more...
Particles

Particle systems have had a refresh, now taking advantage of fully interactive animation playback and editing. New additions include particle path editing with brush tools, a new point caching system, new boids physics and hair dynamics using cloth simulation. Read more...

Rendering
Volume Rendering

Blender 2.5 includes a volume material, intended for rendering particles and gases such as smoke, clouds, and fire. All procedural textures are supported as data sources, as well as two new textures for rendering voxels (such as smoke sims) and point clouds. Various shading options are available from wispy mist-like volumes, to physically based scattering and self-shadowing. Read more...
Ray tracing optimization

As part of the google summer of code, the ray trace acceleration system has had a complete overhaul, making it significantly more efficient and with support for new features such as instancing. Now multiple BVH based acceleration structures are available, in artists' terms, rendering some scenes up to 10x faster! Read more...

Color management

Blender 2.5 includes a first version of Color Management. Currently this is limited to ensuring Linear Workflow during the render pipeline - gamma corrected inputs are linearized before rendering, the renderer and compositor work in linear RGB color space, and is gamma corrected back to sRGB color space for display in the image editor.

Future work may include support for display profiles, LUTs, and finer grained control over input/output conversions.
Other rendering features

Additional rendering features in 2.5 improved bump mapping and image texture filtering, an initial version of deep shadow maps, color management (integrated linear workflow). Read more...

More

More new features, that still needs to be documented on this page:

Installation paths and OS conventions
Windows version: Blender now starts with Command Prompt hidden
Experimental declarative UI: bpyml, bpyml_ui
External Render Engine API
Console and Reports Editor
Scopes Display in the Image Editor
Non-blocking Reports in top header
Screw Modifier
Fluid Particles
Network Render
Game Engine Mode in UI
Approximate Indirect Light
Improved sequencer core: it's faster and needs less memory
GameLogic/Audaspace GSoC project merged
load binary data as .blend from memory
Installer for Windows installs since 2.56 in %USERPROFILE% by default
COLLADA support has been stabilized considerably, with improvements to mesh, material, light and node structures

Fixed Issues

http://www.blender.org/development/release-logs/blender-257/


Blender 2.57 official release candidates online
March 31, 2011

First non-beta of the 2.5 series is going to be released soon, help testing our builds on the http://download.blender.org/release/Blender2.57/ !


Blender 2.56a Beta

The Blender Foundation and online developer community is proud to present Blender 2.56a Beta. This release is a fix release for Blender 2.56, and thus the fifth official beta release of the Blender 2.5 series, representing the culmination of many years of redesign and development work.

This version is called a "Beta" because it's now for the most part feature complete. The Python API has had some extensive changes, most notably in naming conventions and in creation and access of properties.

Since Blender 2.55 beta over 440 bugs were fixed!

IMPORTANT: Between 2.53 and 2.56 an extensive renaming operation has changed the scripting API a lot, with repercussions also for loading 2.53 .blends with animation into 2.56. Make sure you try the FCurve/Driver 2.54 fix entry from the Help menu.

IMPORTANT 2: This fixes a very bad bug in "undo" for using Cloth/Fluid sim in Blender 2.56 beta


Blender 2.56 Beta

The Blender Foundation and online developer community is proud to present Blender 2.56 Beta. This release is the fourth official beta release of the Blender 2.5 series, representing the culmination of many years of redesign and development work.

This version is called a "Beta" because it's now for the most part feature complete. The Python API has had some extensive changes, most notably in naming conventions and in creation and access of properties.

Since Blender 2.55 beta over 440 bugs were fixed!

IMPORTANT: Between 2.53 and 2.56 an extensive renaming operation has changed the scripting API a lot, with repercussions also for loading 2.53 .blends with animation into 2.56. Make sure you try the FCurve/Driver 2.54 fix entry from the Help menu.

IMPORTANT 2: The day after release, a very bad bug in "undo" for using Cloth/Fluid sim has been solved. We'll probably release a 2.56a update soon.


Blender 2.55 Beta

The Blender Foundation and online developer community is proud to present Blender 2.55 Beta. This release is the third official beta release of the Blender 2.5 series, representing the culmination of many years of redesign and development work.

This version is called a "Beta" because it's now for the most part feature complete. The Python API has had some extensive changes, most notably in naming conventions and in creation and access of properties.

Since Blender 2.54 beta over 340 bugs were fixed!

IMPORTANT: Between 2.53 and 2.55 an extensive renaming operation has changed the scripting API a lot, with repercussions also for loading 2.53 .blends with animation into 2.55. Make sure you try the FCurve/Driver 2.54 fix entry from the Help menu.


What to Expect

* Big improvements - This software has been used extensively in production of the Durian open movie project "Sintel".
* Feature complete - Although some of the 2.5 targets have been postponed, such as multi-window support showing multiple scenes, a full RNA data level dependency graph, or radial menus.
* Exciting improvements in Sculpting - Faster, much more stable and better brushes.
* Missing/Incomplete Features - Although really most of it is there, not all functionality from 2.4x has been restored yet. Some functionality may work in a different way. Some features are still slower to use than before.
* Bugs - We've fixed a lot lately, but there are still quite a few bugs. For this second beta around 200 bugs were fixed.
* Changes - If you're used to the old Blenders, Blender 2.5 may seem quite different at first. Be prepared to read a bit about this, how to reconfigure things, and learn to use the new built-in 2.5 search functionality!


Blender 2.54 Beta

The Blender Foundation and online developer community is proud to present Blender 2.54 Beta. This release is the second official beta release of the Blender 2.5 series, representing the culmination of many years of redesign and development work.

This version is called a "Beta" because it's now for the most part feature complete. The Python API has had some extensive changes, most notably in naming conventions and in creation and access of properties.

IMPORTANT: Between 2.53 and 2.54 an extensive renaming operation has changed the scripting API a lot, with repercussions also for loading 2.53 .blends with animation into 2.54. Make sure you try the FCurve/Driver 2.54 fix entry from the Help menu.

What to Expect

* Big improvements - This software has been used extensively in production of the Durian open movie project "Sintel".
* Feature complete - Although some of the 2.5 targets have been postponed, such as multi-window support showing multiple scenes, a full RNA data level dependency graph, or radial menus.
* Exciting improvements in Sculpting - Faster, much more stable and better brushes.
* Missing/Incomplete Features - Although really most of it is there, not all functionality from 2.4x has been restored yet. Some functionality may work in a different way. Some features are still slower to use than before.
* Bugs - We've fixed a lot lately, but there are still quite a few bugs. For this second beta around 200 bugs were fixed.
* Changes - If you're used to the old Blenders, Blender 2.5 may seem quite different at first. Be prepared to read a bit about this, how to reconfigure things, and learn to use the new built-in 2.5 search functionality!


Blender 2.53 Beta

The Blender Foundation and online developer community is proud to present Blender 2.53 Beta. This release is the first official beta release of the Blender 2.5 series, representing the culmination of many years of redesign and development work.

This version is called a "Beta" because it's now for the most part feature complete. The main topic we still work on is the Python API.


What to Expect

* Big improvements - This software has been used extensively in production of the Durian open movie project "Sintel".
* Feature complete - Although some of the 2.5 targets have been postponed, such as multi-window support showing multiple scenes, a full RNA data level dependency graph, or radial menus.
* Exciting improvements in Sculpting - Faster, much more stable and better brushes.
* Missing/Incomplete Features - Although really most of it is there, not all functionality from 2.4x has been restored yet. Some functionality may work in a different way. Some features are still slower to use than before.
* Bugs - We've fixed a lot lately, but there are still quite a few bugs.
* Changes - If you're used to the old Blenders, Blender 2.5 may seem quite different at first. Be prepared to read a bit about this, how to reconfigure things, and learn to use the new built-in 2.5 search functionality!


Blender 2.49

While one half of the developers were busy with the 2.5 project, the other half happily continued working on directly usable and useful features in Blender. Especially advances in the Game Engine justifies having a well tested, bug fixed and stable 2.49 release.

Check this impressive long list of features!

blender.org team, May 2009

Video Texture

The Game Engine now supports multiple streams of video textures for interactive playback in environments. You can use video files (also from URLs), image files, video captures, memory buffer, camera render or a mix of that.



Real-time Dome rendering

This feature allows artists to visualize their interactive projects within an immersive dome environment. Blender supports Fulldome, Truncated domes (front and rear), Planetariums and domes with spherical mirrors.

by Vitor Balbio, Brazil

Game Engine speed-up

Significant speedup has been achieved in several areas;
- Scene Graph optimizes static objects
- View Frustum culling
- Occlusion culling
- Faster Bullet physics initializing
Overall improvement is signifacent, a complex game like YoFrankie runs 3x faster now.

Bullet Physics

The Bullet library upgrade in this release includes brand new generic 6dof constraint with run-time configurable limits, motors and springs to allow for physics-based vehicles, forklift, robots and ragdolls. And more...

Game Engine Modifier support

Support for non-time dependent modifiers in the GE: no need to apply the modifiers before running the game! Works for physics shape too.

Improved Game Logic and Python API

Improve stability, documentation and completeness for the python API.
* Attribute access
* GameObject properties of any type.
* OpenGL and Geometry modules
* New logic and the rendering functions
* Better error feedback

Texture Nodes

Next to Compositing and Materials, Blender Textures now support Node editing. You can use it to create advanced procedural textures, including fractal based systems. And even better, a Texture Nodetree can even become a Brush for painting.

Projection Painting

Painting in the 3D view has been improved to support projection painting which allows you to paint directly onto your model without having to worry about UV mapping or seams.

Etch-a-ton armature sketching

Etch-a-ton is a development snapshot for sketching techniques applied to rigging. It can be used both for creating chains of deformation bones through various subdivision techniques or through retargetting templates

Boolean improvements

In 2.49 you can put a Boolean Modifier on any level in the stack, allowing you to intersect deformed or subdivided models too. You can also insert multiple Booleans in one stack now.

Creative Commons, from Wikipedia

JPEG2000 support

Blender now supports the new high quality JPEG format. It has much better compression, supports Alpha layers, and HDR color up to 16 bits per channel. JPEG2000 support is available in Blender everywhere, including Sequencer, Compositor and UV texture editor.

Bolt generator script

Python Script extensions

New scripts have been added, tools such as Landscape or Bolt generators, and the importer/exporters had several updates and fixes.
Also worth visiting is the very complete (over 300) Scripts Catalog in our wiki.

Featurettes & Fixes

A lot of smaller features and bug fixes were done for 2.49 as well. Hundreds of reports were handled the past 6 months.


Blender 2.48a update:

A couple of important bugfixes has been done in Blender since the release, especially for using the Game Engine and GLSL.


Blender 2.48

Blender 2.48 includes all the work done on the Blender Game Engine and the Apricot Open Game "Yo Frankie!", with much better functioning game logic editing, character animation, and Blender Material based real-time shaders. And as last minute surprise a Bullet physics update with Softbody support.

We also included a lot of new development in this release; Windows 64 bits support, Grease Pencil for sketching annotations,Sun/Sky/Atmosphere rendering, new modifiers, and an improved text editor with Python API support. And last but not least, an enormous list of open bug reports were handled.

Bug fixes

In the past months the bug trackers went down from 220 (Blender) and 110 (GE) to a wonderfully low 28 (Blender) and 8 (GE). Recently it's been rising though, but still very acceptable and definitely deserving to call this a stable release!

With about 500 commits per month, the list of fixes would not be interesting anymore... we better spend the time on better documentation, clearly having mapped out what's intended to work and how.

Find below the gems we didn't have a document or page for.

* Boolean modifier now results in more optimal result with fewer faces.
* DXF exporter (python) much improved
* Copy/paste text (buttons, texteditor) supports OS clipboard too.
* Snapping includes group duplicators
* Outliner now shows Sequencer strips
* Halo render with lines/circles was broken in 2.47
* Outliner can now toggle visibility/renderability for bones and modifiers
* New UV editor selection mode: Island


Blender 2.47

Continuing Blender 2.4x series, Blender 2.47 is a bugfix release to stabilize the "Bunny Release", serious effort has been put in tracking bugs and fixing them.

A complete list of bugfixes is available if you want to read all the nasty details. Or keep on reading for a quick "short" version:

* New tools and improvement have been made to the Snapping tools.
* Better Game Engine logic.
* Fixed an incorrect transformation for particle group visualization.
* Fixed negative value in the Gamma node with negative input.
* Tangent shading (which only affects specular) made bump mapping not work for diffuse.
* Fixed Mesh Deform Modifier not working on extruded curves.
* Fixed crash converting old particle system from a linked file.
* Object instancing didn't restore matrices correct for Environment Map, this could give object rendering in the wrong position.
* Compositor nodes with use nodes disabled didn't properly redraw the node window on changes.

* Blender would crash if the user cancel the hair softbody bake.
* The Disable Tex option didn't disable textures for the Texface material option.
* Fixed data browse for image painting, which didn't work.
* Action Editor Border Select Channels no longer selects bones.
* Fix bug in X-Mirror for armatures. When a bone in a mirrored chain wasn't named propertly, it would leave the head or tail in an invalid state.
* Fixed baking AO with greater then 16 samples.
* Fixed "Col" option for particle systems does not work correctly with Mat IPOs
* Fixed Particle mirror could fail on some faces.
* Bevel tool was hanging on certain geometry where the edge to be beveled was shared by two faces that had more than one edge in common and caller was not checking return status of Bmesh eulers.
* Fixed Game Engine corrupts Pose data
* When your home directory is full, saving defaults would fail without raising an error.
* Fixed crash on grab/move on axis when nothing selected.
* Update-automatically option in IPO Editor now updates objects using the active IPO-block as their ObAction when transforming keyframes.
* Shift+H would hide unselected objects on unseen layers.
* Color picker didn't always redraw rgb/hsv/hex values.
* Vertex parenting didn't work correct with multiple unconnected curves.
* Fixed crash in fluid bake with large amount of small fluid objects.
* Outliner doesn't update when changing parent in Transform Properties


Blender 2.46
The work of the past half year - also thanks to the open movie project "Big Buck Bunny" - has resulted in a greatly improved feature set, now released as Blender 2.46, the "Bunny release"!
This version supports a new particle system with hair and fur combing tools, fast and optimal fur rendering, a mesh deformation system for advanced character rigging, cloth simulation, fast Ambient Occlusion, a new Image browser, and that's just the beginning. Check the extensive list of features in the log below... have fun!
May 17, 2008
The blender.org team.

Hair and Fur
Many features have been added to make fur and grass rendering for Peach possible. Big improvements were made in visual quality, rendering speed and memory usage.

Image Browsing
The new Image Browser is blazingly fast and stable, and not only allows to browse for images in your filesystem, but can also show previews of materials, textures, world, lamp and image data.

Glossy Reflections
Reflections and refractions are now possible to be rendered with a glossiness factor, controlling the roughness of material.

Render Baking
Great tools for making UV textures: you now can bake normal maps based on rendering a higher resolution mesh, you can bake displacement (including 32 bits depth), and you can bake transparency.

Physics caching and baking
The softbody, cloth and particle physics now use a unified system for caching and baking. For real-time tweaking, a new option "Continue Physics" will continue the simulation regardless of the current frame.


www.malefico3d.orgArmature Drawing
Armatures now support Bone groups, custom Bone colors, automatic colors, more custom shape options, ... and many more goodies for our rigging department.

Armature Tools
Many new tools and improvements have been made to speed up the rigging and posing workflow. There are now tools for more intuitive bone creation, various hotkeys to speedy batch-editing of bones,auto-ik and auto-keyframing tweaks, and many more goodies.

Skinning improvements
Bone Heat Weighting is a new method to create vertex weights for bone deformation, it generates better results, and does not require setting a radius for bones. Also added was Quaternion-Interpolated Deformation for superior blends.

Game Engine improvements
The Blender GameEngine has seen a great deal of improvement with an increase in play-back speed, a number of nice new features including 2D filter compositing, and of course attention to quality through bug fixes.

Soft Shadows
Raytraced soft shadows are now possible for all lamp types; including spot, sun and point lights.

Render Pipeline
FSA gives superior anti-aliasing for high dynamic range and compositing. Zmasks allow rendering of composite masks. Instancing gives efficient memory re-use for duplicates.


Shading features
Cubic shading (to prevent discontinuity banding)
Higher level texture coordinates for duplicates (like feathers)
Lamp fall-off curves
Softer Halos, premul alpha, multisample shadowbuffers, ...

Python Scripts and API
There have been a large number of script additions and script updates, as well as API improvements since the last release.
Particle system rewrite
The particle system has been rewritten from scratch. It now allows advanced hair grooming tools, but also much better physics, boid animation and even explosions!

Cloth simulation
Cloth simulation is available in Blender via a modifier on Mesh objects. Cloth thenrealistically and in real-time interacts with other objects, the wind or other forces, all of which is fully under your control.


Approximate AO
Ambient Occlusion is a render option that darkens areas with less visibility, simulating the effect of environment light. This new AO option is based on quick approximation, giving many factors of speedup.

Mesh Deform Modifier
This new method allows to use any random Mesh cage to become a deformation "lattice" for animated characters. By layering - using both a MeshDeformer and an Armature, you can both achieve high level as precise control.

Action Editor improvements
The Action Editor has been rewritten to have a more flexible codebase that is more future-proof and extendable. This has enabled tools to be shared between the editing modes for Actions and ShapeKeys, and now has many new features...

Constraint System
Constraints are crucial for setting up good character rigs. A wealth of new features have been added to improve and extend this system. Most notable is the addition of PyConstraints, allowing full control to animators.


www.promotionstudios.comQMC & Adaptive Sampling
Blender now includes two new sampling methods, using a Halton sequence (Adaptive QMC) and a Hammersley sequence (Constant QMC).
Raytracing now also supports adaptive sampling.

Sequencer
Many many new goodies in our Video Sequence Editor:
UI made more accessible, new panels/views
Built-in strip blending
Color correction tools
Markers, NTSC support, preview, ...

UV texture editing
UV texture coordinates now are accessible via regular Mesh editmode. And many more features were added such as:

UV draw types
Solid opengl view with textures
2d cursor in Image window

Node editor
New nodes have been added for shading and compositing.

And more features
NDOF devices support
Align to Transform Orientation
Pole target for IK chains
Pose Libraries
Weight Paint visualization
Multi-Modifier support
Weight-group selecting
Custom transform orientations
Distributed rendering options
External Paths Tools
Automerge
Recursive Dupli Groups


The most important Bug Fixes in 2.45 are:

* SSS work with panorama render
* Remove artifacts with negative lights using SSS
* Disable SSS better for preview rendering, so it does not slow down other preview render at all.
* Fix error in Transform Constraint with planar constraints when the plane was perpendicular to the viewport.
* Fix a Vector blur error in "Ztransp" that produce black lines (on edges) appeared, which didn't get blurred away.
* Fix a error in the Particle System that cause bad result in command line renders especially or in rendering first frame of animation.
* Fix Verse crashing in 64 bits Linux.
* Math node now has reflective behavior.
* Importing 3DS files with lamps failed.
* Bundled python modules were not included in 2.44 by accident, making some scripts fail in 2.44 that worked in 2.43 (Windows Only, when Python was not installed)


Blender 2.44

Blender 2.44 was intended to be an upgrade release, mainly for plenty of bug fixes, but the developers took the effort adding at least a few interesting new features.

This version now is fully 64 bits compatible, new modifers were added, a couple of composite nodes were added, and a revamp of the old mesh primitives was done. But most relevant to mention is Blender 2.44's new long-awaited but unexpected feature: subsurface scattering (SSS) support!

May 12th, 2007

Sculpt and Multires

The previous release was the first Blender version to offer 3d sculpt and multi-res. Based on welcome feedback and reporting, a lot of bug fixes and improvements were added.

Python Scripts and API

There have been a large number of script additions and script updates, as well as API improvements since the last release.

New Modifiers

Two new modifiers are available now; "Smooth" and "Cast".
64 bits migration notes

Blender had been ported to 64 bits Dec Alpha in 1998 already, but since 2002 its 64 bits compliancy has been gathering dust mostly. Time for a cleanup!

More features and fixes

Plenty of smaller features made it into this release.

Subsurface Scattering

Subsurface scattering is a new material option to render materials like skin, marble or milk. For these materials light scatters under the surface and leaves at another position. This leads to a softer appearance, as light is blurred out over the surface.

New Composite Nodes

Two new Composite nodes had been added, that can be accessed by the Add > Color menu, expanding further the possibilities of the Composite node editor.

Character Animation

The Action and NLA editors have now better control over visible channels. A new constraint was added, and a "preview range" option was added.

Physics Engine

The Bullet physics engine has had some changes which should give better reproducibility and precision/quality for physics simulations.
Mesh primitives update

The mesh primitives have been revisited, improving their usability and pushing them a little beyond their previous state.


2.43
http://www.blender.org/development/release-logs/blender-243/


2.42
http://www.blender3d.org/cms/Blender_2_42.727.0.html


2.41
http://www.blender3d.org/cms/Blender_2_41.731.0.html


2.40 alpha
http://mediawiki.blender.org/index.php/Blender_2.4_pre-release_notes


2.37a
http://www.blender3d.org/cms/2_37a_Release_Notes.597.0.html


2.37
http://www.blender3d.org/cms/Blender_2_37.496.0.html
Hide changelog




All features


Photorealistic Rendering
Blender now features a powerful new unbiased rendering engine called Cycles that offers stunning ultra-realistic rendering.

The built-in Cycles rendering engine offers:

GPU & CPU rendering
Realtime viewport preview
HDR lighting support
Permissive License for linking with external software
Rendering in Blender with Cycles
Modeling in Blender
Fast Modeling
Blender’s comprehensive array of modeling tools make creating, transforming and editing your models a breeze.

Blender’s modeling tools include:

Keyboard shortcuts for a fast workflow
N-Gon support
Edge slide, collapse and dissolve
Grid and Bridge fill
Python scripting for custom tools and add-ons
Realistic Materials
With Blender’s new rendering engine the possibilities for materials are endless.

Key features are:

Complete Node Support for full customization
Physically accurate shaders like glass, translucency and SSS
Open Shading Language (OSL) support for coding unique shaders
Materials in Blender
Rigging in Blender
Fast Rigging
Transforming a model into a posable character has never been easier!

Blender offers an impressive set of rigging tools including:

Envelope, skeleton and automatic skinning
Easy weight painting
Mirror functionality
Bone layers and colored groups for organization
B-spline interpolated bones
Animation toolset
Whether it’s simple keyframing or complex walk-cycles, Blender allows artists to turn their still characters into impressive animations.

Blender’s animation feature set offers:

Automated walk-cycles along paths
Character animation pose editor
Non Linear Animation (NLA) for independent movements
IK forward/inverse kinematics for fast poses
Sound synchronization
rigging
Sculpting in Blender
Sculpting
Experience the joy of sculpting organic subjects using the built-in sculpting feature set of Blender.

Sculpting in Blender includes:

20 different brush types
Multi-res sculpting support
Dynamic Topology sculpting
Mirrored sculpting
Fast UV Unwrapping
Easily unwrap your mesh right inside Blender, and use image textures or paint your own directly onto the model.

Blender allows for:

Fast Cube, Cylinder, Sphere and Camera projections
Conformal and Angle Based unwrapping (with edge seams and vertex pinning)
Painting directly onto the mesh
Multiple UV layers
UV layout image exporting
UV Unwrapping in Blender
Compositing in Blender
Full Compositor
Blender comes with a fully fledged compositor built right in. That means no more exporting to third party programs, you can do it all without leaving the program.

The compositor comes with:

Impressive library of nodes for creating camera fx, color grading, vignettes and much more
Render-layer support
Full compositing with images and video files
Ability to render to multiLayer OpenEXR files
Multi-threaded
Amazing Simulations
Whether you need a crumbling building, rain, fire, smoke, fluid, cloth or full on destruction, Blender delivers great looking results.

Blender’s simulation tools include

Fluid – Realistic water and fluid simulations.
Smoke – Billowing smoke with flames and scene interaction.
Hair – Beautiful wafts of hair that blows in the wind and interacts with collisions.
Cloth – Amazingly realistic cloth simulations for clothing and environments
Rigid Body Physics – Makes any object destructable and collidable
Particles – For creating things like rain, sparks and shrapnel
463e785104
Blender Game Engine Screenshot
Game Creation
Included in Blender is a complete game engine, allowing you to create a fully featured 3d game right inside Blender.

The game engine includes:

Ability to port your models to any third-party game engine
Create or code your own game logic
Full Bullet Physics integration
Python scripting API for advanced control and AI
Support for all OpenGLTM dynamic lighting, toon shading, animated materials as well as Normal and Parallax Mapping
Playback of games inside Blender without compiling or preprocessing
3D spatial audio using OpenAL
Camera and Object tracking
Blender now includes production ready camera and object tracking. Allowing you to import raw footage, track the footage, mask areas and see the camera movements live in your 3d scene. Eliminating the need to switch between programs.

The Camera and Object Tracker includes:

Auto and manual tracking
Powerful camera reconstruction
Real-time preview of your tracked footage and 3d scene
Support for Planar tracking and Tripod solvers
Camera tracking in Blender
3057383d1a
Library of Extensions
With a large community of enthusiasts and developers, Blender comes loaded with a vast array of extensions that you can turn on or off easily.

Some existing extensions include:

Generators for trees, terrain, ivy and clouds.
Fracture Objects.
3D Printing Toolbox.
Rigify meta-rigging system.
Import and Export format support for AfterEffects, DirectX, Unreal Game Engine and more!
Plus many more that you can download here

Video Editing
Blender even comes with a built-in Video Editor.

The Video Editor allows you to perform basic actions like video cuts and splicing, as well as more complex tasks like video masking.

The Video Editor includes:

Live preview, luma waveform, chroma vectorscope and histogram displays
Audio mixing, syncing, scrubbing and waveform visualization
Up to 32 slots for adding video, images, audio, scenes, masks and effects
Speed control, adjustment layers, transitions, keyframes, filters and more.
caminandes_edit_final
Exporting in Blender
File Formats
Blender comes packed with import/export support for many different programs.

Including:

Image
JPEG, JPEG2000, PNG, TARGA, OpenEXR, DPX, Cineon, Radiance HDR, SGI Iris, TIFF
Video
AVI, MPEG and Quicktime (on OSX).
3D
Alembic, 3D Studio (3DS), COLLADA (DAE), Filmbox (FBX), Autodesk (DXF), Wavefront (OBJ), DirectX (x), Lightwave (LWO), Motion Capture (BVH), SVG, Stanford PLY, STL, VRML, VRML97, X3D.
Flexible Interface
Novice and advanced users will love the ability to customize their layout completely. From simply splitting their viewport, to fully customizing it with python scripting, blender works for you.

Blender’s interface also offers:

Consistency across all platforms
No disruptive pop-up windows
Crisp text (support for retina on OSX)




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4 reviews, Showing 1 to 4 reviews


Many years with Blender and it's getting better and better. Can't wait for version 2.8.

Review by Pollux on Jul 14, 2018 Version: 2.79b OS: Windows 10 64-bit Ease of use: 5/10 Functionality: 8/10 Value for money: 10/10 Overall: 8/10




This is an exciting time, with the new-vamped Blender 2.5 currently under strong development. The alpha version is already very solid (try the latest build from graphicall.org - the "official" 2.5 alpha 2 on the Blender site, hmm, maybe not so stable). It's the perfect opportunity to get your feet wet with this marvellous and fun app, in readiness for the looming production-ready version 2.6. Start with basic 3D modeling, then to animating those models, then you can learn the video sequence editor (built-in NLE!) and even the built-in game engine! It's a powerful and actively-developed work of software art, I can only urge you to jump onboard and bring your dreams alive! I gave it a 10 for ease of use, not because it's easy (there is a considerable learning curve), but because once you've got your foot in the door, you begin to realise just how brilliantly-designed and fun this thing is! Congrats to the Blender Foundation (send 'em donations!). I've linked some guides (applicable to 2.5) that I can recommend for noobs to ease them gently into Blender. Happy blending!

Review by chowmein on Jun 11, 2010 Version: 2.52.5 r29387 OS: WinXP Ease of use: 10/10 Functionality: 10/10 Value for money: 10/10 Overall: 10/10




I have tried all of the various "Personal Learning" versions of the major 3D packages, and I have to say that Blender can stand up to all of them any day. And it does it without being hobbled by resolution limitations or watermarks on your images.

The only thing that I don't like about it is that it does not seem to have a readily-apparent way to get the conventional 4-view setup that other packages have. Other than that, I really have no complaints. I use it primarily in Linux, and it's very fast. I can run it with ease, while Houdini Apprentice crashes my Linux system and wheezes hard in Vista.

I'll keep using Blender there until Lightwave shows up in Linux, and probably even beyond that. Even if they charged $100 for it, it's still a bargain. Fortunately, they don't.


Review by cubdukat on Oct 23, 2008 Version: 2.48 OS: Vista Ease of use: 5/10 Functionality: 10/10 Value for money: 10/10 Overall: 8/10




Just started using this wonderful software. Looks very promising. Open source just doesnt get better than this.. !!!

Review by jaseerabubakar on Sep 25, 2007 Version: 2.45 OS: WinXP Ease of use: 8/10 Functionality: 8/10 Value for money: 10/10 Overall: 9/10


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