This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667.

If turn off the fixed frame rate setting, it will behave as it should.

Steps to Reproduce
  1. Open the attached project file.
  2. Open the AnimMontage asset from the content browser.
  3. Make sure it goes through the Loop section of the timeline.

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ComponentUE - Anim
Affects Versions4. early access5.0
Target Fix5.1
CreatedDec 10, 2021
UpdatedApr 15, 2022