(#24865) [fix][test] Fix flaky SubscriptionSeekTest.testSeekWillNotEncounteredFencedError by counting subscription is fenced only after seek(#24861) [fix][test] Stabilize SequenceIdWithErrorTest by fencing after first publish to avoid empty-ledger deletion and send timeout(#24881) [improve][broker]Skip to mark delete if the target position of expira…(#24880) [fix][broker] Stop to retry to read entries if the replicator has terminated
[schema-registry] Add validation to reject Avro schemas with union and null types[Ursa] Fix messages could be returned when the fetch offset exceeds the last offsetImprove logs for schema registry and request handlingFix flaky-test: SimpleLoadBalanceTest.testBrokerRestart