Overlay: additional feature flags #4430

Job	Run time
Diagnostic export (macos-latest, linked)	2m 14s
Diagnostic export (ubuntu-latest, nightly-latest)	1m 16s
Diagnostic export (windows-latest, linked)	2m 45s
Diagnostic export (macos-latest, nightly-latest)	2m 32s
Diagnostic export (windows-latest, nightly-latest)	3m 35s
Diagnostic export (ubuntu-latest, linked)	1m 9s
	13m 31s

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