V21.3.2
Bug fixes
Fixed the issue where incorrectly selecting Log-Only nodes as recovery nodes during incremental recovery resulted in OOM.
Fixed the issue where TDStore nodes encountered write suspension during startup, causing the startup process to get stuck.
Fixed the issue where MC deadlock prevented SQLEngine from obtaining routing information.
Fixed the issue of periodic master switchover in Primary AZ instances under Single RG mode.
V21.3.1
Bug fixes
Fixed the issue where the timeout logic in the process of waiting for transaction completion before a Snapshot is installed caused the Install Snapshot operation to execute without waiting for all transactions to complete under extreme circumstances.
Fixed the issue where the default value configuration of the tdstore_compact_on_delete_collector parameter differed from the old version.
Fixed the issue of LogService incompatibility with Columnar Meta RG.