In the repro project the player camera has a post process material that slightly darkens the frame by subtracting 0.01 from the final color. When a camera animation based on a camera sequence is played, each tick a new instance of the post process material is added to the post process graph, which compounds the effects eventually leading to a black screen.


This appears to be the result of the cached blendables being appended to the existing blendables in 

Steps to Reproduce
  1. Download, extract and run project from linked UDN
  2. PIE and press space bar to jump


The screen slowly fades to black.


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ComponentUE - Anim - Sequencer
Affects Versions5.35.4
Target Fix5.5
Fix Commit32784446
CreatedMar 26, 2024
ResolvedApr 6, 2024
UpdatedApr 9, 2024