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[DevTools] Don't connect to pages that are being prerendered#656

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[DevTools] Don't connect to pages that are being prerendered#656
everettbu wants to merge 1 commit into
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sebbie/03-04-_devtools_don_t_connect_to_pages_that_are_being_prerendered

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Mirror of facebook/react#35958
Original author: eps1lon


Summary

Fixes react/react#35954

Root cause was ping-ponging the proxy connection between the actual page and the prerendered page. Both were battling for the same tab ID.

We'll see if pageshow firing while prerendering is actually a bug but even if, it'll take some time to get fixed so we should work around that.

How did you test this change?

@everettbu everettbu added CLA Signed React Core Team Opened by a member of the React Core Team labels Mar 4, 2026
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Upstream PR was closed or merged. Code is synced via branch mirror.

@everettbu everettbu closed this Mar 4, 2026
@everettbu everettbu deleted the sebbie/03-04-_devtools_don_t_connect_to_pages_that_are_being_prerendered branch March 4, 2026 13:40
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[DevTools Bug]: confused on prerender pages and resulting in high-cpu usage loop

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