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chrome: don't polyfill .sctp and max-message-size - #1187

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guard-maxmessagesize
Apr 21, 2026
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chrome: don't polyfill .sctp and max-message-size#1187
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guard-maxmessagesize

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@fippo fippo commented Apr 20, 2026

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in Chrome 102+ with only unified plan

See #1182

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fippo force-pushed the guard-maxmessagesize branch from cfffb86 to 3ed3538 Compare April 20, 2026 19:33
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fippo commented Apr 20, 2026

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The test is actually correct (surprise) and Firefox needs a little more work:
https://bugzilla.mozilla.org/show_bug.cgi?id=2019361
Thanks @docfaraday!

@fippo fippo changed the title firefox/chrome: don't polyfill .sctp and max-message-size chrome: don't polyfill .sctp and max-message-size Apr 21, 2026
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fippo force-pushed the guard-maxmessagesize branch 3 times, most recently from 6323078 to d60f43c Compare April 21, 2026 05:05
in Chrome 102+ with only unified plan

Note: the polyfill set pc.sctp after SRD, not after a complete offer/answer cycle.
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fippo force-pushed the guard-maxmessagesize branch from d60f43c to 8e3d2eb Compare April 21, 2026 05:27
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fippo commented Apr 21, 2026

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Interesting, native Chrome rejects 2GB max-message size while Firefox accepts it:

a=max-message-size:2147483648

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fippo merged commit e470d07 into main Apr 21, 2026
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fippo deleted the guard-maxmessagesize branch April 21, 2026 16:20
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