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Nonfunctional "Vertex Weight Proximity" Modifier's Influence Mask Inversion
Confirmed, NormalPublic

Description

System Information
Operating system: Linux-5.4.0-66-lowlatency-x86_64-with-glibc2.31 64 Bits
Graphics card: GeForce GTX 680/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.39

Blender Version
Last Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-03-16 22:45, hash: rBde06cb85593b
First Broken: version: 2.90.0, branch: master, commit date: 2020-08-31 11:26, hash: rB0330d1af29c0
Worked: version: 2.83.13, branch: master, commit date: 2021-03-09 07:21, hash: rBbb5004673085

Short description of error
Button for inversion of Influence Mask (modifiers["VertexWeightProximity"].invert_mask_vertex_group) in "Vertex Weight Proximity" Modifier doesn't work.

Exact steps for others to reproduce the error

  • Open the attached .blend file.
  • Click Invert button of "Mask Vertex Group" in "Vertex Weight Proximity" modifier (Influence section).
  • Mask is not inverted on the model & Face button of Geometry proximity mode gets wrongly highlighted. (Its highlighting seems to be linked with the Invert button.)
  • Another thing I observed is that any change of Geometry Proximity mode (ie. Vertex / Edge / Face) clears both Falloff inversion and Mask Vertex Group inversion if they are switched on. Which was the case in Blender versions 2.83.x too.

P.S.: This issue might be connected with the issue:
https://developer.blender.org/T83863

Thanks and have a good day!