The problem is that the interpolation method is not saved when editing the Vector Parameter.

Steps to Reproduce
  1. Create a level sequence.
  2. Create a Material Parameter Collection and create a Vector Parameter.
  3. Add the Material Parameter Colorection Track to the Level sequence and add the vector parameter.
  4. Create a key and change the interpolation.
  5. After closing the color picker, it will be Cubic (Auto).

[Image Removed]

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ComponentUE - Anim - Sequencer
Affects Versions4.275.0
Target Fix5.1
Fix Commit19058755
Main Commit19066961
CreatedFeb 17, 2022
ResolvedFeb 18, 2022
UpdatedFeb 22, 2022
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