add 4 bug fixes for TiDB

releases/release-8.0.0.md

@@ -392,6 +392,11 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v8.0/quick-start-with-
     - MemoryTracker can track the memory usage of the `MemTableReaderExec` operator [#51456](https://github.com/pingcap/tidb/issues/51456) @[wshwsh12](https://github.com/wshwsh12)
     - Support canceling queries that are being spilled [#50511](https://github.com/pingcap/tidb/issues/50511) @[wshwsh12](https://github.com/wshwsh12)
     - Support loading Regions in batch from PD to speed up the conversion process from the KV range to Regions when querying large tables [#51326](https://github.com/pingcap/tidb/issues/51326) @[SeaRise](https://github.com/SeaRise)
+<!-- qiancai -->
+- Fix the issue that the `AUTO_INCREMENT` attribute causes non-consecutive IDs due to unnecessary transaction conflicts when assigning auto-increment IDs [#50819](https://github.com/pingcap/tidb/issues/50819) @[tiancaiamao](https://github.com/tiancaiamao)
+- Fix the issue of incomplete stack information in TiDB logs for some errors [#50849](https://github.com/pingcap/tidb/issues/50849) @[tiancaiamao](https://github.com/tiancaiamao)
+- Fix the issue of excessive memory usage in some queries when the number in the `LIMIT` clause is too large [#51188](https://github.com/pingcap/tidb/issues/51188) @[Defined2014](https://github.com/Defined2014)
+- Fix the issue that the TTL feature causes data hotspots due to incorrect data range splitting in certain scenarios [#51527](https://github.com/pingcap/tidb/issues/51527) @[lcwangchao](https://github.com/lcwangchao)
 
 + TiKV