Software » Animation 3D » Blender 5.1.1

Blender 5.1.1
Released on April 14th 2026, Blender 5.1.1 features 71 bug fixes:

Adaptive subdivision breaks link between geometry nodes store named attributes and shader editor. (#156290)
Add Torus object fails. (#156087)
Attributes not passed on in Geometry nodes. (#156077)
Attributes stored by a Geometry Nodes modifier are reflected in Object Mode, but are not reflected in Edit Mode even with "Display Modifier in Edit Mode" toggle enabled. (#156552)
Badly filled out Keying Set with Armature causes crash. (#156643)
Bake Node Doesn't keep textures between sessions. (#156406)
Bones Display in Scene Overlaying Each Other after Update to v5. (#156031)
bpy.app.icons.release() causes a crash when executed inside an extension. (#156532)
Broken render in Offscreen.draw_view3d(). (#156370)
Calling Python operators with non-string keyword arguments crashes. (#155996)
Can't copy and paste poses on linked Asset library's rigs. (#155723)
Complex Solidify from previous version crashes 5.1.0. (#155792)
Compositor alpha over crashing Blender 5.1 high res output. (#156830)
Correct path for foreach_path callback of object's particle systems. (6a713d7797)
Crash during texture painting while all UV maps are disabled (caused by applying certain modifiers). (#156097)
Crash when Axes to Rotation node has equal axes input. (#156381)
Crash when deleting multiple shape keys with drivers. (#155962)
Crash when Editing Mesh with Geometry Nodes and Armature. (#154739)
Crash when entering object editing mode with an instancing object. (#155986)
Crash when opening certain files with library overrides. (c423a0a7ca)
Crash when rendering specific object in Cycles (viewport and final render). (#155897)
Crash when trying to render a specific texture. (#155861)
Crash when undoing in shader editor if node values/connections have changed. (#155797)
Crash when using mask quick toggle in Sculpt Mode. (#155935)
Crossfade sounds in VSE zeroes out the audio, when VSE edit scene is different from active scene. (#151951)
Cycles always crash with Background Scene. (#155851)
Cycles crashing when rendering on Intel Arc dGPU on a sytem with a Intel iGPU. (#155964)
Cycles Transparent curve shadows disappear when the scene is updated. (#155817)
Denoise Animtion operator Broken in 5.0 and 5.1. (#155982)
Duplicating object in camera view crashes X server. (#154768)
EEVEE Broken Render Region in Viewport Image Render. (#156352)
EEVEE clamps color AOVs which breaks when using vectors e.g. for compositor displacement. (#155890)
EEVEE Holdout Collection renders black. (#156032)
Environment texture is incorrectly reflected in the viewport. (#155345)
Freestyle Edge Types Not Working Correctly. (#155830)
Frequent crashing during compositing - Blender 5.1. (#156334)
Geometry Nodes Modifier Input doesn't show existing attributes. (#155816)
GeoNodes simulation cache files not reported via foreach_path callback. (#155953)
Grease Pencil Expose strokes fill_id and hide_stroke attributes to high level python API. (08f823dcd8)
Hard cut (hold offset start/end) doesn't work in VSE. (#152505)
Intel artifacting adjusting materials in Blender 5.1.0 with Vulkan. (#156496)
Lineart modifer vertex weight transfer does not function in 5.1. (#156118)
MacOS M3/4/5 viewport performance regression starting with 4.5 LTS. (#155865)
Memory leak in cached image code. (a4b6ac33f0)
Menu auto scroll can stop at submenus buttons. (#156022)
Mesh attributes are not initialized to zeros. (#155846)
Orbit direction in the 3d-viewport using touchpad is sensitive to factors like compiler, CPU architecture, and trackpad model. (#155844)
Orbit with Alt key in industry compatible mode doesn't work in sculpt mode (quick mask override). (#155855)
Out of bounds buffer read when writing AVIF image format. (#155822)
Out of GPU Memory error on file that renders in 5.0.1. (#155588)
Performance regression when accessing UV vectors in Python. (#155858)
Point light gizmo doesn't stick to cursor anymore. (#155878)
Poses from the Asset Browser are applied even to bones that are in a hidden Bone Collection. (#156995)
Python bpy package is missing Python dependencies. (#157121)
Renamed strip time properties are readonly. (#156015)
Rigify Rig_UI_layers don't show if rigify addon disabled. (#156265)
Screw Modifier crashing scene. (#156801)
Sculpt mode rotate and scale tool doesn't take local axis into account. (#155910)
Skin Modifier has different result in 5.1.0 than in 5.0.1. (#156068)
Some quick favorites are not removable from the menu. (#155581)
The optional undo argument can no longer be passed into operator calls on its own. (#155928)
The unit for the sample bias in sculpt mode is incorrect. (#155748)
Using Asset Browser with many asset libraries causes lag. (#156512)
UVMaps from Store Named Attribute are not active when applying modifier (can break some exporters). (#156415)
Vulkan Black renders using NVIDIA driver 595.71. (#155371)
Vulkan Dark colors with NVIDIA 595.x.x + Wayland + KDE. (#155467)
When edge loop terminates in a triangle, the yellow line can loop to the start sometimes. (#156177)
When the “Face Smoothness” checkbox is selected, FreeStyle cannot render the output. (#155828)
Window freezes when in edit mode. (#147721)
Wrong max numpy version for bpy python package release. (#155983)
Y axis gradually disappears in left and right orthographic view. (#155718)

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
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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
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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)