Using a TimeStretchCurve in an Animation Montage doesn't cause it to slow down or speed up when keys are added to the curve. 

Link to API: [Link Removed]

This was reported and tested in 4.20.3 (CL-4369336). This was reproduced in 4.19.2 (CL-4033788) and Main 4.22 (CL-4435744)


Steps to Reproduce
  1. Open the UE4 Editor and create a Third Person Blueprint project
  2. In the Content Browser create an Animation Montage and open it
  3. Add an animation to the Montage
  4. Add a Variable Curve
  5. Set and move keys on the Curve

Result: Nothing happens

Expected: The Montage speeds up or slows down as described in its API.

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ComponentUE - Anim - Gameplay
Affects Versions4.
Target Fix5.0-early access
Fix Commit14494355
CreatedOct 9, 2018
ResolvedDec 8, 2020
UpdatedApr 28, 2021
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