1.0.80

packages/shared/src/components/channel/LinkEmbed.tsx

@@ -216,11 +216,20 @@ interface LinkEmbedProps {
 }
 
 export function LinkEmbed({ url, onOpenGif }: LinkEmbedProps) {
+	// Thin router: direct media gets its own component, rich previews
+	// get theirs. Keeping the two paths in separate component instances
+	// means `useUrlPreview` (which internally wraps `useAction` and
+	// therefore `useMemo`) is never called conditionally — otherwise a
+	// URL change that flipped `isDirectMedia` would mutate the hook
+	// count and trigger React error #310.
 	const directType = isDirectMedia(url);
 	if (directType) {
 		return <DirectMediaEmbed url={url} type={directType} onOpenGif={onOpenGif} />;
 	}
+	return <UrlPreviewEmbed url={url} />;
+}
 
+function UrlPreviewEmbed({ url }: { url: string }) {
 	const preview = useUrlPreview(url);
 
 	// If the platform has no metadata fetcher (or it returned null / threw),