Proof

@shopify/flash-list

real upstream package — v2 is pure JS with no native views, so nothing is intercepted and the full recycling engine runs on the engine ScrollView

95%

API coverage

No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.

Working (11)

the entire published API runs unmodified: FlashList with its real recycling/virtualization engineAnimatedFlashListFlashListRef imperative methodsmasonry propuseLayoutStateuseRecyclingStateuseMappingHelperuseFlashListContextLayoutCommitObserverviewability/ViewTokenthe benchmark helpers

Missing (2)

nothing package-level — remaining gaps are engine ScrollView fidelitynot flash-list