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Comment by michaelanckaert | Hacker News Reader

If that's the case then I might be wrong. But I remember updating somewhere yesterday and using FF for a couple of hours before stopping for the day. This morning no pages loaded anymore. Hope I didn't jump to conclusions, but still.

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It definitely stopped in the middle of the night - I saw it happen in real time - what's more likely is that some third party is to "blame". Although the blame still rests squarely on the shoulders of Mozilla, since Chromium browsers all worked fine. Apparently the going explanation is that something involving HTTP3 runs into an infinite loop and never resolves (explaining why it also sends a core to 100%), and Cloudflare/Google/Some Other Thing updated to using HTTP3.

> Our current suspicion is that Google Cloud Load Balancer (or a similar CloudFlare service) that fronts one of our own servers got an update that triggers an existing HTTP3 bug.

https://bugzilla.mozilla.org/show_bug.cgi?id=1749908#c21

It just stopped working this morning after 3 hours of no problems. Both developer edition and the normal version, same problem with an older version. Chrome and Safari worked fine.

Someone really fucked up. There must be millions of non techies completely lost right now.

It's not from Mozilla. My two computers stopped at different times, and both were on 95.0.x. I didn't restart Firefox to make it happen. It just froze in the middle of the video.

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