The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter was how I verified ~15 frame drops.

This wasn't happening in 4.23.1.

Found in 4.24.1 CL#10757647
Reproduced in 4.25 Main CL#10870012

Steps to Reproduce

1. Create an empty basic code template project,
2. Open a default level (File->New Level->Default).
3. Run 'Stat UnitGraph' in the console.
4. Run 'Stat fps' in the console.

Results: The Editor has periodic performance dips every ~3 seconds.

Expected: The Editor doesn't have periodic performance dips when just using a basic scene.

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Won't Fix
Affects Versions4.24.14.25
Target Fix4.25
CreatedDec 27, 2019
ResolvedJan 7, 2020
UpdatedMay 21, 2020