Developer Notes

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Engine does not handle in-between blendshapes

Steps to Reproduce
  1. Look at the attached screenshots and gif. The In-Between Screenshot is at Weight 0.5
  2. Import the attached "_mesh" FBX with the following settings(may have to reimport due to [Link Removed])
    1. "Import Morph Targets" enabled
    2. "Import Animations" Disabled
  3. Import the attached "_anim" FBX with the following settings
    1. Assign the "_mesh" skeleton
    2. Disable Import Mesh
    3. Enable Import Animations"
  4. Compare to the gif below

Result: In-Between Blendshape is imported as it's own unique Morph Target, but there is not curve imported for it.
Expected: In-Between Blendshapes are either handled as their own Morph Target with their own anim curve including adjustments to the main Morph Target anim curve OR we handle them as part of the main Morph Target itself.

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Won't Fix
Affects Versions4.154.16
CreatedJun 2, 2017
ResolvedMar 26, 2018
UpdatedFeb 11, 2019