feat: Improve inbound federated membership handling #1952
2026-07-11
style: Make send_join's docstring more useful
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fix: Only run ACL checks when we know we have live state
Prevents a potential bug where we might inadvertently reject valid invites because we have a stale state cache that blocks the sender or even ourselves Also fixes the banned remote server room check by using the create event instead of room ID
feat: Enforce new federation invite checks
These were introduced in spec v1.16 however we didn't implement them until now for compatibility.