Blender 2.90.1 is a maintenance release for 2.90 containing 40 fixes:
- Decimate Modifier: Restore vertex group factor property in UI. (rB97c6c4e47883)
- GPencil Opacity modifier not working. (T80289)
- Extrude manifold can generate invalid geometry. (T80233)
- Re-ordering face maps messes up the names of other face maps. (T79973)
- Crash when deleting custom orientation. (T80426)
- Crash after duplicating and hiding vertices while using X Axis. (T80224)
- principle volume shader not working for world in Eevee. (T80332)
- Eevee OpenVDB render error when frames miss part of the grids. (T79718)
- PY API doc: fix doc for new override option of properties. (rB09ef19996509)
- Crash when multi-mesh editing UVs with proportional editing. (T80561)
- Crash adding properties to material node-trees. (T80238)
- BLI_polyfill_calc exceeds stack size allocating points. (T80604)
- Crash deleting bone constraints when the armature layer is. (T80464)
- Cycles baking crash with locked-UI & background-mode. (T71012)
- Hook modifier crashes without vertex group data. (T80516)
- Mantaflow crash when adaptive domain + noise are enabled. (T79626)
- Mantaflow Noise Not working with Smoke/Smoke and Fire. (T80372)
- Vertex Colors not showing in edit mode. (T78225)
- Correct Face Attributes affecting modes not listed. (T80623)
- Edit Mode crash with shape keys created on blank mesh. (T77584)
- Crash accessing depsgraph from evaluated view layer. (T62504)
- Translations in python scripts are missing. (T80589)
- Crash reloading scripts from the Python console. (T80694)
- Library Override - Custom Property to Drive Child Particles results. (T80457)
- Crash on undo/ redo after changing modes. (T78392)
- UV edge select splits UV's for lasso/box/circle select. (T80728)
- potential crash in volume grids in Eevee shaders. (T80630)
- Fix OpenCL render error in large scenes. (rB3dbb231ed2f8)
- Add versioning for 2.90 files that may have invalid mesh. (rB3a92a2df4519)
- Texture paint camera project crashes after undo/redo. (T80885)
- Auto IK Double Generates IK constraints. (T80437)
- Cycles: Separate Embree device for each CPU Device. (rB009971ba7adc)
- Cycles crash on macOS with older CPUs. (T78793)
- Fix invert vertex group weight miscalculation for modifiers. (rBe0f13f41c681)
- NLA Bake exception baking pose with non-pose selection. (T61985)
- Tris to Quads ignores UV delimit option. (T80520)
- Avoid changing the visibility of loose geometry. (T80771)
- Archipack: support for bmesh bevel arguments changes in 2.90. (rBA8e1b4dd71b37)
- Crash on editing multiple UVs of multiple different objects. (T80899)
This release has been made possible thanks to the community of contributors and developers on blender.org for providing demos, submitting bug reports, and thanks to the over 4,700 individuals and companies who joined the Development Fund.
The Blender Team
Amsterdam, 23rd September, 2020.