Changing the color on a component property via the color picker will cause the picker to stop working until it's closed and reopened. This occurs because a property change event is sent out, and the owning actor reruns it's construction script and rebuilds the component. Since the picker is still pointed at the old component, it's no longer functional.
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-84386 in the post.
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Component | UE - Editor - UI Systems - Slate |
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Affects Versions | 4.22, 4.23, 4.24 |
Target Fix | 4.25 |
Created | Nov 13, 2019 |
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Resolved | Nov 13, 2019 |
Updated | Sep 9, 2020 |