Blender Developers Meeting Notes: 16 September 2024

n8n · September 18, 2024

Notes for weekly communication of ongoing projects and modules.

Announcements

Modules & Projects

New Features and Changes

This is a selection of changes that happened over the last week. For a full overview including fixes, code only changes and more visit projects.blender.org.

Anim

Clarify ‘disabled’ message for bone collection operations (commit) – (Sybren A. Stüvel)
Add RNA function Slot.debug_log_users() (commit) – (Sybren A. Stüvel)
Add Action Slot assignment to NLA strip (commit) – (Sybren A. Stüvel)
Make it possible to enter/exit NLA tweak mode on slotted Actions (commit) – (Sybren A. Stüvel)
Add NLA evaluation of slotted Actions (commit) – (Sybren A. Stüvel)
Correctly auto-sync NLA strip length for slotted Action (commit) – (Sybren A. Stüvel)
Disallow switching action slots when using NLA Tweak Mode (commit) – (Sybren A. Stüvel)
Reuse action between related data (commit) – (Christoph Lendenfeld)
Avoid division by zero in Action constraint (commit) – (Sybren A. Stüvel)

Core

expose –quiet / -q command line argument (commit) – (Campbell Barton)
Remove sdlew/WITH_SDL_DYNLOAD & disable SDL by default (commit) – (Campbell Barton)

Cycles

Simplify fmodf(c, 1.0f) to fractf(c) in hsv node (commit) – (Xavier Hallade)

GPU

Add DebugScope class (commit) – (Clément Foucault)

GPv3

Implement Grease Pencil to mesh conversion (commit) – (YimingWu)
Vertex Paint Mode (commit) – (Falk David)
Change “use_locked_material” option (commit) – (Falk David)
Parent armature with empty weights (commit) – (Falk David)
Apply Transform operator (commit) – (casey bianco-davis)
Create weights on draw for new strokes. (commit) – (casey bianco-davis)
Vertex Paint operators (commit) – (Falk David)
Rename Cutter tool to Trim (commit) – (casey bianco-davis)
Operators for Normalize active and Normalize all vertex groups (commit) – (Sietse Brouwer)
Add support for transform object origin. (commit) – (casey bianco-davis)
Vertex paint context menu (commit) – (Pratik Borhade)
Properly support brushes with draw mode primitive tools (commit) – (Julian Eisel)

Geometry Nodes

Speedup joining many geometries (commit) – (Jacques Lucke)
Improve debug graph for repeat zone (commit) – (Jacques Lucke)
Support accessing repeat zone lazy-function graph from Python (commit) – (Jacques Lucke)
Improve node timings accuracy (commit) – (Jacques Lucke)

ImBuf

Avoid redundant memory clears when loading EXR images (commit) – (Aras Pranckevicius)

Keymap

Map Back/Next mouse buttons in File Browser (commit) – (Pablo Vazquez)

Nodes

Add support for line separators in nodes (commit) – (Jacques Lucke)

Overlay-Next

Sculpt (commit) – (Clément FOUCAULT)
Fade (commit) – (Laurynas Duburas)
Grid 2D (commit) – (Laurynas Duburas)
Image Space (commit) – (Clément Foucault)
Fix compilation error after merge (commit) – (Clément Foucault)
Add DebugScope for selection and drawing (commit) – (Clément Foucault)
Fix broken shaders (commit) – (Clément Foucault)
UV (commit) – (Clément Foucault)
Paint Overlay (commit) – (Clément FOUCAULT)
Grease Pencil Edit Mode (commit) – (Clément FOUCAULT)
Particle Edit (commit) – (Clément FOUCAULT)
Edit Mesh (commit) – (Clément FOUCAULT)
Mode Transfer (commit) – (Clément FOUCAULT)
Edit text (commit) – (Laurynas Duburas)
Origin (commit) – (Laurynas Duburas)
Use unique handle per object (commit) – (Clément FOUCAULT)
Grid added to ShapeCache (commit) – (Laurynas Duburas)
Motion Path (commit) – (Clément Foucault)
Xray Outline (commit) – (Clément Foucault)

PlayAnim

Don’t set the title to the filename on WIN32 (commit) – (Campbell Barton)

Sculpt

Simplify and optimize BVH build node partitioning (commit) – (Hans Goudey)
Face corner indexed mesh GPU data extraction (commit) – (Hans Goudey)
Parallelize max face size reduction during grid BVH build (commit) – (Hans Goudey)
Make multires BVH build similar to mesh (commit) – (Hans Goudey)
Store multires grids data in separate arrays (commit) – (Hans Goudey)
Avoid processing hidden nodes for drawing (commit) – (Hans Goudey)
Avoid rebuilding draw vertex buffers for visibility changes (commit) – (Hans Goudey)
Replace automasking sculpt attribute API usage (commit) – (Hans Goudey)
Update BVH node bounds in deformation loops (commit) – (Hans Goudey)
Use bit vector for bounds dirty tags (commit) – (Hans Goudey)
Use separate bit vector for BVH node normals dirty tags (commit) – (Hans Goudey)
Only change position draw buffers on PBVH deformation (commit) – (Hans Goudey)
Only re-upload face set data when changed (commit) – (Hans Goudey)
Only re-upload face color attribute data (commit) – (Hans Goudey)
Update node mask status eagerly (commit) – (Hans Goudey)
Only re-upload mask attribute data (commit) – (Hans Goudey)

Text Editor

Enable find “Wrap Around” by default (commit) – (Pablo Vazquez)

Tools

Check high priority module bugs against their IDs (commit) – (Alaska)

UI

Mac Cursors While Docking (commit) – (Harley Acheson)
Do Not Allow Docking into Temp Windows (commit) – (Harley Acheson)
Blender Logo Fitting in Bounds (commit) – (Harley Acheson)
Add SVG Parent Group to Two More Icons (commit) – (Harley Acheson)
Expose “Frame Selected” in image editor mask mode (commit) – (Philipp Oeser)
Status Bar During Non-Operator UI Interaction (commit) – (Harley Acheson)
Don’t Show Drag Cursors on Non-Floating Menus (commit) – (Harley Acheson)
Compositor: Do not expand backdrop channels (commit) – (Pablo Vazquez)
Compositor: Show Parent button when available (commit) – (Pablo Vazquez)
Add missing ellipsis to File menu items (commit) – (Pablo Vazquez)
Remove duplicate icons on menus (commit) – (Pablo Vazquez)
speedup drawing large tree views (commit) – (Jacques Lucke)
Add missing new/open icons in menus (commit) – (Pablo Vazquez)
Show material link type icon in dropdown (commit) – (Pablo Vazquez)
Text Editor (commit) – (Pablo Vazquez)
Increase Width of ID Search Lists (commit) – (Harley Acheson)
Small Corrections to Text Caret Placement (commit) – (Harley Acheson)

VSE

Optimize away some pointless image copies when applying modifiers (commit) – (Aras Pranckevicius)
Draw thumbnails in timeline by default (commit) – (Aras Pranckevicius)
Multi-thread Saturation and Multiply strip color controls (commit) – (Aras Pranckevicius)

Viewport

Use the smooth-view preference when refreshing (commit) – (Campbell Barton)

Vulkan

Incorrect selection in edit mode (commit) – (Jeroen Bakker)
Blendfile thumbnail generation (commit) – (Jeroen Bakker)

WM

Suppress “Info” prints from reports when G.quiet is enabled (commit) – (Campbell Barton)
Improve thumbnail scaling performance (debug builds) (commit) – (Campbell Barton)

Weekly Reports

Author n8n