Navigating various dropdown menus in the Editor causes the FPS to drop down to around 25 or 10 in the Viewport on an empty project.

This does not reproduce on Windows with -vulkan

This issues was reported and tested in 4.22 (CL-5660361). This was reproduced in  4.21.2 (CL-4753647) and Main 4.23 (CL-6032622).

Steps to Reproduce
  1. Open the UE4 Editor and create a Blank Template project
  2. In the Viewport toggle the 'Show FPS' option (CTRL+SHIFT+H)
  3. Move the mouse cursor over File, Edit, Window, and Help

Results:FPS drops to low/red numbers

Expected:FPS doesn't change

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-73146 in the post.

Login to Vote

ComponentPlatform - Linux
Affects Versions4.
Target Fix4.24
CreatedApr 22, 2019
ResolvedOct 9, 2019
UpdatedOct 23, 2019