Unreal Engine Issues

UE-74156

ES3.1 preview causes temporary freezing when selecting objects in the viewport on Mac

ES3.1 preview causes temporary freezing when selecting objects in the viewport on Mac

Description

The editor will freeze for seconds at a time when selecting between objects in the viewport after using ES3.1 preview on a Mac.

Steps to Reproduce
  1. Open the editor on a Mac
  2. In the project settings enable Support OpenGL ES3.1 (Project settings > Android > Build > support openGL ES3.1)
  3. Set the Preview Rendering Level to Android ES3.1
  4. Enable ES3.1 preview rendering by clicking the android icon on the tool bar
  5. Disable ES3.1 preview rendering by clicking the android icon on the tool bar
  6. Enable ES3.1 preview rendering by clicking the android icon on the tool bar
  7. Select an object int the level

Result: The Editor will freeze for a few seconds in between selecting objects
Expected: The user would be able to click between objects in the viewport without any lag

Community References

Editor hangs for 30 seconds when I play or undo

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Cannot Reproduce
ComponentTools
Affects Versions4.22.1
CreatedMay 3, 2019
ResolvedDec 10, 2020
UpdatedDec 14, 2020