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* 1.36.0rc1Andrew Morgan2021-06-081-1/+0
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* add a cache to have_seen_event (#9953)Richard van der Hoff2021-06-011-0/+1
Empirically, this helped my server considerably when handling gaps in Matrix HQ. The problem was that we would repeatedly call have_seen_events for the same set of (50K or so) auth_events, each of which would take many minutes to complete, even though it's only an index scan.