UDN user reported a performance hit on Mac with the latest Hotfix release when the user is interacting with the editor either through keyboard or mouse input.

This performance hit is noticeable when rapidly typing or clicking in and around the editor - [Link Removed]

This does not occur in binary 4.23.1
This also occurs in //UE4/Release-4.24 10570792, release 4.24.0 CL

Steps to Reproduce
  1. Open any project
  2. Press ~ and enter stat fps
  3. Select the Content browser search bar and type rapidly OR click rapidly in the viewport OR move the viewport camera rapidly

Results: Interacting with the editor through either keyboard or mouse will cause a dip in FPS. Rapidly interacting will tank the performance.

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ComponentUE - Platform - Apple
Affects Versions4.24.1
Target Fix4.24.2
Fix Commit10983337
Main Commit10983339
Release Commit10983337
CreatedDec 19, 2019
ResolvedJan 14, 2020
UpdatedJan 26, 2021