Merge pull request #2843 from github/cklin/diff-informed-compat #4050

Job	Run time
Diagnostic export (macos-latest, linked)	59s
Diagnostic export (ubuntu-latest, nightly-latest)	1m 0s
Diagnostic export (macos-latest, nightly-latest)	1m 1s
Diagnostic export (windows-latest, linked)	4m 43s
Diagnostic export (ubuntu-latest, linked)	58s
Diagnostic export (windows-latest, nightly-latest)	3m 35s
	12m 16s

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