Log Message:
blender: Update to 2.28a

* Exclude incompatible Python 3.6.
* Fix build with Python 3.8.

Changelog:
Blender 2.82a: Bug Fixes
Blender
    Fix T74003: Autocomplete bug with mesh.loop_triangles. in Blender Python \ 
Console. (rB69c587888)
    Fix T73898: UDIM crash changing form tiled to single (rBd6977b5)
    Fix T73862: Fluid Sim file handle resource leak (rB60890cc)
    Fix T74182: Crash saving images from non-image spaces (rB096936fe1)
    Fix T72903: Bone envelope & bone size tool functionality swapped \ 
(rBdd2cdd436)
    Fix T74278: camera border gizmo size (rB9cac5fa681, rB360443a48)
    Fix T54270: Reset last_hit and last_location when reading the file \ 
(rB2df040ed58fb)
    Fix T74431: crash when compiling renderpass shader on some AMD drivers \ 
(rB9c4523b1fde4 + rBe5f98c79b0ed)
    Fix T74295: Cloth + Internal springs crashes on a non-polygonal geometry \ 
(rB1648a7903672)
    Fix Fix (unreported) Separate bones creates empty armature (rB498397f7bd8)
    Revert "Constraints: remove special meaning of Local Space for \ 
parentless Objects." (rBf881162f81e)
    Fix T73932: modifying keyframes in nodes fails when there is an image \ 
sequence (rBf0a22f5)
    Fix crash loading .blend file saved with Blender 2.25 (rBed8aa15)
    Fix potential crash with Eevee render of missing image textures (rBab18dbb)
    Fix T72253: Mantaflow adaptive domain cuts off (rB32fc22db5679)
    Keymap: Add front/back Alt-MMB absolute view axis switching (rBa200986273)
    Fix T72028: Crash switching to vertex paint (rB31aefdeec5)
    Fix bone envelopes displaying wrong when armature is scaled (rBee7034949fd)
    Fix Vertex weight gradient tool show wrong weight/strength values in the UI \ 
(rBf38c54d56e)
    Fix T74225: Image (from sequence) cannot be loaded (rB9dbfc7ca8bf)
    Fix T63892: Tools cannot be registered into some contexts (e.g. \ 
PAINT_TEXTURE) (rBd95e9c7cf8)
    Fix T73369: corner pin & sun-beam nodes gizmos are too big (rB212660f467)
    Fix T74425: Cannot texture paint an images sequence anymore (rBca717f0489)

Add-ons
    glTF: Fix some strange reference error in blender api when exporting \ 
shapekeys / ApplyModifier (rBA659c121a68)
    glTF: Fix crash using compositor rendering for image generation \ 
(rBAaf687f5a041ee)