Overlay: additional feature flags #4486

Job	Run time
Config export (ubuntu-latest, linked)	58s
Config export (macos-latest, linked)	2m 12s
Config export (windows-latest, nightly-latest)	3m 36s
Config export (windows-latest, linked)	3m 10s
Config export (ubuntu-latest, nightly-latest)	1m 15s
Config export (macos-latest, nightly-latest)	2m 18s
	13m 29s

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