Steps to Reproduce

The produceable project is attached, download and unzip[Image Removed]

Open the project and map Def.umap

Select the Sequencer actor in the level named Scene_1_0001

Play it, see the Light color attritutes is keyframed and changing constantly, but it doesn't update the viewport

Render sequences or video also doesn't have the color changes

Expect: The color of light keyframed should changing in viewport and output sequences frames

PS: Those lighting tracks were recorded by using maya livelink record.  Any new light actor color tracks added into these Sequencers also doesn't update their colors in viewport.

If I create a complete new Sequencer and add new light and its color track, everything works as expected

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ComponentTools - Sequencer
Affects Versions4.22e0
Target Fix4.23
Fix Commit6783005
CreatedMay 30, 2019
ResolvedJun 3, 2019
UpdatedFeb 4, 2020