Clarify /upgrade behaviour in MSC4289 to match implementation
#4315
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Discovered while writing the spec PR.
anoadragon453
approved these changes
Jul 29, 2025
clokep
reviewed
Jul 29, 2025
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Discovered while writing the spec PR.
Process note: MSCs can receive clarification changes post-FCP, but anything materially different requires a new MSC. I believe this qualifies as clarification because it isn't core to the MSC and the implementation used for FCP does the behaviour described. SCT members are able to disagree and require a new MSC instead.