When Cache Relative Transforms is enabled, panel content sometimes appears to update a frame late. This can cause the panel content to render outside of the panel.

Steps to Reproduce
  1. Create two widgets with the attached hierarchies
  2. On the invalidation panel of the outer widget, enable "Cache Relative Transforms"
  3. Create a screen space widget component with the widget
  4. Move your camera around, and note that the inner invalidation panel will detach from the outer

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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-41927 in the post.

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Won't Fix
ComponentUE - Editor - UI Systems
Affects Versions4.144.164.17
Fix Commit3302281
Main Commit3341914
CreatedFeb 14, 2017
ResolvedAug 18, 2021
UpdatedAug 18, 2021