WIP: Implement MSC4188 (410 Gone during resolution) #2355
2026-10-15
fix: Set initial backoff time to 90 days immediately
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As per the MSC: > This MSC recommends homeservers should wait a minimum of 24 hours > and should wait no longer than 90 days, balancing the need to respect > the server's intent to be offline whilst allowing for potential future > changes in server operation or domain ownership. And as per nex: > Technically the MSC said it should be up to 90 days, but they'll never > make me parse cache-control!
feat: Support marking servers as unhealthy+stale during resolution
For when the server resolution process returns an error or Gone