23 December 2019

Notes for meeting of Monday, 23 December 2019. 18:00 CET / UTC 17:00 on #blender-coders on blender.chat.


Holiday Period

  • Nathan Letwory will be around for anything on development coordination / onboarding. Please remember to tag him directly (@jesterKing) on blender.chat if you need to talk to him.
  • Ton Roosendaal and Sergey Sharybin will still be around as well, for anything else.

Changes / New Features

Fluid Simulation

  • A new system for smoke and fluid simulations - Mantaflow (Sebastián Barschkis)


  • Initial support for UDIM images (Lukas Stockner)


  • Added option to playblast only keyframes of selected objects (Sybren A. Stüvel)
  • Clarified tooltip for Viewport Render Animation (Sybren A. Stüvel)

User Interface

  • De-duplicate mask context menu (Campbell Barton)
  • Tweaks to the brush Stroke panel (William Reynish)
  • Brush Settings overhaul (William Reynish)
  • Remove orphan datablocks directly from File->Clean Up menu (Antonio Vazquez)
  • Use DPI scale for transform cursors (Campbell Barton)
  • Prevent crash when opening file browser with mouse not in window (Sybren A. Stüvel)
  • Hide dopesheet slider options for Annotations (Antonio Vazquez)


  • Object: ‘Affect Only Origins’ support for ‘Clear Transform’ (Campbell Barton)
  • ID Management: Improve speed of code used when creating/renaming an ID. (Bastien Montagne)
  • Workbench: Force Vertex Colors in Paint Mode (Jeroen Bakker)
  • Sculpt: Use more saturated colors in the cursor (Pablo Dobarro)
  • Industry Compat keymap: Add support for the context menu PC keyboard key (William Reynish)

Weekly Progress Reports