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A comment on The First Media over QUIC CDN: Cloudflare. Parent comment

Re:The First Media over QUIC CDN: Cloudflare by vient on Friday August 22, 2025 @05:02PM (#44989781)
Limited to macOS? Does not reproduce in FF 141 and 142 on Windows.
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Re:The First Media over QUIC CDN: Cloudflare by joshcartme on Friday August 22, 2025 @07:35PM (#44991264)
It reproduces for me in FF 142 on Windows. When I first went to https://cloudflare-quic.com/ it said HTTP/3, but after a few hard refreshes it says HTTP/2 and hasn't gone back to 3
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Re:The First Media over QUIC CDN: Cloudflare by vient on Friday August 22, 2025 @07:44PM (#44991332)
Oh, I see - hard refresh consistently shows HTTP/2 but after one or two soft refreshes it becomes HTTP/3 for me until next hard refresh.

Edit: it is always second soft refresh for me that starts showing HTTP/3. Computers work in mysterious ways sometimes.

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Re:The First Media over QUIC CDN: Cloudflare by joshcartme on Friday August 22, 2025 @07:47PM (#44991354)
I restarted FF and am now seeing something similar. Hard refreshing alternates between 2 and 3, and soft refreshes quickly get back to 3 most of the time
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Re:The First Media over QUIC CDN: Cloudflare by csinode on Friday August 22, 2025 @10:26PM (#44992493)
For me (FF nightly on Linux) a hard refresh has a roughly 50/50 chance of choosing HTTP3 or HTTP2.
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Re:The First Media over QUIC CDN: Cloudflare by brycewray on Friday August 22, 2025 @06:19PM (#44990564)
No, I have also observed it in Firefox (via Flatpak) on Fedora Linux 42. When I filed the original GH issue that webcompat-bot turned into this Bugzilla item (https://github.com/webcompat/web-bugs/issues/168913), my full report didn't make it into Bugzilla.
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