v1.3.1

Improvements

• Support configuring multiple virtual IP addresses in one cluster #825
• Add debug logs and metrics for load balance #784 #788
• Use more conservative thresholds for health and memory factors #787
• Add config enable-traffic-replay to turn off traffic replay on TiDB Cloud #800

Bug Fixes

• Fix wrong status in the API debug log #782
• Fix that TiProxy may be too slow to migrate connections when TiDB scales in #785
• Fix the bug that the CPU usage jitters too much in the short-lived connection workload #786
• Fix the load balance may not work when one TiDB is unhealthy #797
• Fix that the connection scores may be wrong when the connection closes and migrates concurrently #799
• Reduce useless migrations based on connection count in short connection workload #803
• Fix data race when routing and setting config concurrently #809
• Fix connection migrations may be slower than expected #814
• Fix TiProxy doesn't update backend labels after TiDB sets label through the HTTP API #821
• Fix connection is repeatedly migrated by CPU and location #824 #827

Compatibility Breakers

• Never route to backends with a different label even when no backends are available #807