Blender Developers Meeting Notes: 23 January 2023

Geometry Nodes

• New Interpolate Curves node (commit) (Jacques Lucke)
• User interface
  • Use checkbox for exposed boolean sockets (commit) (Hans Goudey)
  • Rename node and socket for “Group ID” convention (commit) (Hans Goudey)
  • Adjust modifier UI to put field toggles on the right (commit) (Leon Schittek)
  • Add warning to set material node with no faces (commit) (Hans Goudey)
  • Prefer evaluate at index value input in link-drag-search (commit) (Hans Goudey)
  • Show supported geometry types tooltip without computing (commit) (Iliya Katueshenock)
  • Show number of curve points in socket inspection tooltip (commit) (Jacques Lucke)
• Performance
  • Avoid geometry copy if nothing is selected in Set Position node (commit) (Jacques Lucke)
  • Align chunk sizes in multi-function evaluation (commit) (Jacques Lucke)
  • Optimize Sample Index node with constant index (commit) (Jacques Lucke)
  • Parallelize mesh and curve edit hint transformation and flip faces node (commit, commit) (Hans Goudey)

Cycles

• Add support for OSL texture intrinsic on the GPU (commit) (Patrick Mours)
• Markup to disable specialisation of kernel data fields (Metal) (commit) (Michael Jones)
• Occupancy tuning for new higher end M2 machines (commit) (Michael Jones)
• Remove SSE3 and AVX kernel optimization levels (commit) (Brecht Van Lommel)

Sculpt

• Expand normals and topology diagonal falloff now check islands (commit) (Joseph Eagar)
• Expand now waits for click before invoking when called from menu (commit) (Joseph Eagar)
• Restrict expand to active mesh islands for geodesic and topology (commit) (Joseph Eagar)

Curves

• Edit mode
  • Add initial transform support (commit) (Falk David)
  • Edit mode selection operators (commit) (Falk David)
  • Add initial undo system (commit) (Falk David)
• Performance
  • Avoid building evaluated point offsets for poly curves (commit) (Hans Goudey)
  • Deduplicate and parallelize point to curve map creation (commit) (Hans Goudey)
  • Avoid adding cyclic and curve type curve type attributes when setting default (commit, commit) (Hans Goudey)
  • Avoid reallocations when evaluating NURBS curves (commit) (Hans Goudey)
  • Remove attribute retrieval, deduplicate evaluation logic (commit) (Hans Goudey)

Animation

• Update Blend-in and Blend-out values to clamp on NLA strip Transform (commit) (Nate Rupsis)

Grease Pencil

• Provide option for fill in material popover (commit) (Kevin C. Burke)

Python API

• Add RNA path functions to AssetMetaData and AssetTag structures. (commit) (Bastien Montagne)
• Rename safe areas preset add operator (commit) (Campbell Barton)
• Curves: Add RNA access to evaluated normals per control point (commit) (Hans Goudey)
• Mesh: Add collection properties to access UV and the associated bool attributes (commit) (Martijn Versteegh)