Feature enhancement
- Support changing TiCDC configurations dynamically #10645
Improvements
- Handle read ready and write ready separately to reduce read latency #10475
- The slow log of TiKV coprocessor only considers the time spent on processing requests. #1084
- Drop log instead of blocking threads when the slogger thread is overloaded and the queue is filled up #10841
- Reduce the size of Resolved TS messages to save network bandwidth #2448
Bug fixes
- Fix the issue that BR reports the "file already exists" error when TDE is enabled during data restore #10917
- Fix the issue that TiKV deletes stale Regions too frequently #10781
- Fix the issue that TiKV frequently reconnects the PD client #9818
- Check stale file information from the encryption file dictionary #10598