21.0.3

• Added DeleteEmptyArrayReferences() to MonoBehaviourEditor and LoadedByTypeDefinitionEditor

21.0.2

• Fixed crash in scripts using Array functions

21.0.1

• Changed setting a scripting variable to null disposes the object
  Workaround for opening a compressed file twice without calling SaveUnity3d in-between
• Added support for NIF files with a x64 version of NIFLIB

21.0

• Changed platform to x64
• Changed FBXSdk to version 2020.1
• Changed FMOD to version 1.8.20
• Fixed BC7unflipped option being stored in userSettings instead of applicationSettings
• Removed support for NIF files

20.6.7

• Fixed QualitySettings in Unity 2018.4+
• Fixed display and export of UV map for wrap mode REPEAT with U=1 or V=1 and CLAMP with outside UVs
• Added display and export of UV winding order which also allows to see overlapping UVs
• Changed tooltip of "Convert to MeshRenderer" to explain automatic settings (1.16.3)

20.6.6

• Fixed UV map warning borders when UVs are out of the unit square (introduced in 20.6)
• Fixed pasting an AudioClip didn't create the entry in the AssetBundle asset required for directly loading

20.6.5

• Fixed missing mirroring V in Morph preview (introduced in 20.6)

20.6.4

• Fixed "Render Transform" not showing selected Transform and crashing for selected bone Transforms
• Changed "Automatic Renaming" of CAB-Strings to align with Unity5+

20.6.3

• Fixed "Goto Frame" in the Bone editor not switching to the Frame editor
• Fixed MuscleClipSize for AnimationClip in Unity 2018.4+
• Added SetStateAttributes() in AnimatorController editor
• Added warning before ReplaceMeshRenderer() for unaligned SkinnedMeshrenderers to prevent crash when saving
• Fixed AlignMesh() doesn't make the editor dirty
• Fixed Virtual Avatar getting lost when reopening the Virtual Animator
• Fixed SetFrameName() crashing for unaligned SkinnedMeshRenderers
• Fixed RemoveBone() crashing for SkinnedMeshRenderers without influences

The Mesh Attributes dialog got some statistical information for bones, bindposes and bone hashes. I have planned a "Blender Clothes Cycle" tutorial in the wiki.

20.6.2

• Fixed memory leaks for displayed normals, tangents and bone lines, resizing renderer,
  highlighting bone, morph preview, image preview
• Fixed internal crash in DockRenderer_DockStateChanged() when exiting