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[pull] main from react:main #604

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Merged
pull merged 1 commit into from
Jul 14, 2026
Merged

[pull] main from react:main #604

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13 changes: 12 additions & 1 deletion packages/react-devtools-extensions/src/contentScripts/proxy.js
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Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,18 @@ function handleDisconnect() {
window.removeEventListener('message', handleMessageFromPage);
port = null;

connectPort();
// Mirrors the guard in handlePageShow(): the background script can evict/
// replace a tab's proxy port (see registerProxyPort in background/index.js),
// which disconnects us while still prerendering. Reconnecting immediately
// in that case causes an unbounded connect/disconnect cycle for as long as
// the document stays in the prerendering state (https://crbug.com/478909972).
if (document.prerendering) {
document.addEventListener('prerenderingchange', connectPort, {
once: true,
});
} else {
connectPort();
}
}

// Creates port from application page to the React DevTools' service worker
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