• Forward extremities are now calculated using only references from other extremities, rather than including outliers, which should fix cases where state can become corrupted (#1556)
• Old state events will no longer be processed by the sync API as new, which should fix some cases where clients incorrectly believe they have joined or left rooms (#1548)
• More SQLite database locking issues have been resolved in the latest events updater (#1554)
• Internal HTTP API calls are now made using H2C (HTTP/2) in polylith mode, mitigating some potential head-of-line blocking issues (#1541)
• Roomserver output events no longer incorrectly flag state rewrites (#1557)
• Notification levels are now parsed correctly in power level events (gomatrixserverlib#228, contributed by Pestdoktor)
• Invalid UTF-8 is now correctly rejected when making federation requests (gomatrixserverlib#229, contributed by Pestdoktor)