Proof

expo-clipboard

the published SDK 57 package runs unchanged against a real tenant navigator.clipboard seam for text, URL, and image content
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
getStringAsync, setStringAsync, setString, hasStringAsync, getUrlAsync, setUrlAsync, hasUrlAsync, getImageAsync returning base64 and dimensions, setImageAsync, hasImageAsync, listener subscription lifecycle, iOS ClipboardPasteButton host frame/display modes/text and image payloads, and platform-specific isPasteButtonAvailable
Missing
ClipboardPasteButton full pixel/interaction parity and rich-provider filtering, Firefox image read, and rich-text clipboard payloads