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This Week in Blender Development: 3/03/18


Aaron Carlisle writes:

Hello, fellow Blenderers here is a short list of what has happened in the development in Blender this week.

To read more and to see the links for more details please see the full post here.

Changes to Blender


  • Cycles volume: fast empty space optimization (up to 2x speedup) rB7377d411
  • Collada: Adding support for Matrix Transformation export rBa024da55
  • Smoke: expose empty space clipping property to the UI rB4403ca80
  • Cycles: add Principled Volume shader. rB0aec2dcd
  • Cycles: Speedup rendering of dense volumes (30% speedup) rB5d5c6bb5
  • Animation: When scaling keyframes, merge (by-averaging) selected keys that end up on the same frame rBac717928
  • WorkSpace: show/hide opt-out support for add-ons rB61c8ed40
  • WorkSpace: UI filtering for add-ons rBd937d06c
  • Cycles: add back point density texture support rB000002e4
  • EEVEE: Compositing and rendering of multi-layers support rB06420c5f
  • Viewport: Speed up many unique objects (up to 3x speedup) rB241c90c9
  • Eevee: add Principled Volume shader rB38ccd1fe
  • WorkSpace: object-mode switching support rB4ab002bc
  • Viewport: Small speedup. rBc5eba46d


  • New Eraser brush rB32c4bc34
  • New Draw mode “Boxes” rB5a37f694
  • Interpolate mouse movement for fast drawing rBa636f3fb
  • Add UV rotation option to Smooth and Noise modifiers rB803f80c6
  • Apply Smooth and Random sculpt to UV rotation rB71f0e59b
  • New UI parameter to define UV rotation randomness rB11910fdb
  • New point fields for UV data rBf0419a4a


  • Add vertex group to influence metaball radii rBc381b3fa
  • Optionally restore old activation behavior with broken constraints rBfb8acd8b

New Patches

  • Freestyle: work in progress patch to show possible integration D3086
  • First steps for a User-Preferences/Settings redesign D3088
  • Array modifier: Do not merge vertex groups with different names D3092
  • Cycles: add anisotropy to random walk subsurface scattering. D3094

Other Projects

  • None



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