TiDB Operator 1.4.5 Release Notes

Release date: June 26, 2023

TiDB Operator version: 1.4.5

Improvements

• Add the metrics for fine-grained TidbCluster reconcile errors (#4952, @coderplay)
• Add the metrics for the reconciler and worker queue to improve observability (#4882, @hanlins)
• Introduce startUpScriptVersion field for DM master to specify the startup script version (#4971, @hanlins)
• Add support for rolling restart and scaling-in of TiCDC clusters when deploying TiCDC across multiple kubernetes clusters (#5040, @charleszheng44)

Bug fixes

• Suppress GC when scheduled backup is newly created (#4940, @oliviachenairbnb)
• Make backupTemplate optional in backup CR (#4956, @Ehco1996)
• Fix the issue that TiDB Operator panics if no Kubernetes cluster-level permission is configured (#5058, @liubog2008)
• Fix the issue that TiDB Operator might panic if AdditionalVolumeMounts is set for TidbCluster (#5058, @liubog2008)