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br: remove duplicated release notes from release-8.3.0.md #19005

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Nov 5, 2024
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br: remove duplicated release notes from release-8.3.0.md #19005

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1 change: 0 additions & 1 deletion releases/release-8.3.0.md
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Expand Up @@ -307,7 +307,6 @@ TiDB 版本：8.3.0
- 在恢复快照备份的数据之前，新增对 TiKV 和 TiFlash 是否有足够的磁盘空间的检查；如果空间不足，会终止恢复并返回错误 [#54316](https://github.com/pingcap/tidb/issues/54316) @[RidRisR](https://github.com/RidRisR)
- 在 TiKV 下载每个 SST 文件之前，新增对 TiKV 是否有足够的磁盘空间的检查；如果空间不足，会终止恢复并返回错误 [#17224](https://github.com/tikv/tikv/issues/17224) @[RidRisR](https://github.com/RidRisR)
- 支持通过环境变量设置阿里云访问身份 [#45551](https://github.com/pingcap/tidb/issues/45551) @[RidRisR](https://github.com/RidRisR)
- 优化备份功能，提升在大量表备份过程中遇到节点重启、扩容或网络抖动时的备份性能和稳定性 [#52534](https://github.com/pingcap/tidb/issues/52534) @[3pointer](https://github.com/3pointer)
- 使用 BR 进行备份恢复时，会根据 BR 进程的可用内存自动设置环境变量 `GOMEMLIMIT`，避免出现 OOM [#53777](https://github.com/pingcap/tidb/issues/53777) @[Leavrth](https://github.com/Leavrth)
- 使增量备份兼容按时间点恢复 (PITR) [#54474](https://github.com/pingcap/tidb/issues/54474) @[3pointer](https://github.com/3pointer)
- 支持备份和恢复 `mysql.column_stats_usage` 表 [#53567](https://github.com/pingcap/tidb/issues/53567) @[hi-rustin](https://github.com/Rustin170506)
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