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add v5.4.3 release notes #11449

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1 change: 1 addition & 0 deletions TOC.md
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Expand Up @@ -925,6 +925,7 @@
- v6.0
- [6.0.0-DMR](/releases/release-6.0.0-dmr.md)
- v5.4
- [5.4.3](/releases/release-5.4.3.md)
- [5.4.2](/releases/release-5.4.2.md)
- [5.4.1](/releases/release-5.4.1.md)
- [5.4.0](/releases/release-5.4.0.md)
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143 changes: 143 additions & 0 deletions releases/release-5.4.3.md
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---
title: TiDB 5.4.3 Release Notes
---

# TiDB 5.4.3 Release Notes

发版日期:2022 年 x 月 x 日

TiDB 版本:5.4.3

## 兼容性变更

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## 提升改进

+ TiDB

<!--sql-infra **owner: @zimulala**-->

<!--execution **owner: @zanmato1984**-->

<!--transaction **owner: @cfzjywxk**-->

<!--planner **owner: @winoros**-->

<!--diagnosis **owner: @mornyx**-->

+ TiKV **owner: @tabokie**

- Fix the issue that cause permission denied when gets error from web identity provider and fail back to default provider [#13122](https://github.com/tikv/tikv/issues/13122)
- (dup) 支持配置 `unreachable_backoff` 避免 Raftstore 发现某个 Peer 无法连接时广播过多消息 [#13054](https://github.com/tikv/tikv/issues/13054)

+ PD **owner: @nolouch**

+ TiFlash

+ Tools

+ TiDB Lightning **owner: @niubell**

- (dup) 优化 Scatter Region 为批量模式,提升 Scatter Region 过程的稳定性 [#33618](https://github.com/pingcap/tidb/issues/33618)

+ TiDB Data Migration (DM) **owner: @niubell**

+ TiCDC **owner: @nongfushanquan**

- (dup) 优化了多 Region 场景下,runtime 上下文切换带来过多性能开销的问题 [#5610](https://github.com/pingcap/tiflow/issues/5610)

+ Backup & Restore (BR) **owner: @3pointer**

+ Dumpling **owner: @niubell**

+ TiDB Binlog

## Bug 修复

+ TiDB

<!--sql-infra **owner: @zimulala**-->
- (dup) 修复 `SHOW CREATE PLACEMENT POLICY` 输出结果不正确的问题 [#37526](https://github.com/pingcap/tidb/issues/37526)
- (dup) 修复集群的 PD 节点被替换后一些 DDL 语句会卡住一段时间的问题 [#33908](https://github.com/pingcap/tidb/issues/33908)
- (dup) 修复 `KILL TIDB` 在空闲连接上无法立即生效的问题 [#24031](https://github.com/pingcap/tidb/issues/24031)
- (dup) 修复 TiDB 在执行 `SHOW COLUMNS` 时会发出协处理器请求的问题 [#36496](https://github.com/pingcap/tidb/issues/36496)
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- (dup) 修复了在开启 TiDB Binlog 时,TiDB 执行 `ALTER SEQUENCE` 会产生错误的元信息版本号,进而导致 Drainer 报错退出的问题 [#36276](https://github.com/pingcap/tidb/issues/36276)

<!--execution **owner: @zanmato1984**-->
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- (dup) 修复 `UNION` 运算符可能会非预期地返回空结果的问题 [#36903](https://github.com/pingcap/tidb/issues/36903)
- (dup) 修复在 TiFlash 中为分区表开启动态模式时结果出错的问题 [#37254](https://github.com/pingcap/tidb/issues/37254)
- (dup) 修复 `INL_HASH_JOIN` 和 `LIMIT` 一起使用时可能会卡住的问题 [#35638](https://github.com/pingcap/tidb/issues/35638)
- (dup) 修复执行 `SHOW WARNINGS` 时可能会报 `invalid memory address or nil pointer dereference` 的问题 [#31569](https://github.com/pingcap/tidb/issues/31569)

<!--transaction **owner: @cfzjywxk**-->

- Fix `invalid transaction` error when doing stale read in RC isolation level [#30872](https://github.com/pingcap/tidb/issues/30872)
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- (dup) 修复了带 DML 算子的 `EXPLAIN ANALYZE` 语句可能在事务提交完成前返回结果的问题 [#37373](https://github.com/pingcap/tidb/issues/37373)
- (dup) 修复开启 TiDB Binlog 后插入重复数据导致 data and columnID count not match 错误的问题 [#33608](https://github.com/pingcap/tidb/issues/33608)

<!--planner **owner: @winoros**-->

- (dup) 修复 Static Partition Prune 模式下带聚合条件的 SQL 语句在表为空时结果错误的问题 [#35295](https://github.com/pingcap/tidb/issues/35295)
- (dup) 修复 TiDB 在执行 `UPDATE` 语句时可能会 panic 的问题 [#32311](https://github.com/pingcap/tidb/issues/32311)
- (dup) 修复 `UnionScan` 无法保序导致的查询结果不正确的问题 [#33175](https://github.com/pingcap/tidb/issues/33175)
- (dup) 修复了在某些情况下 UPDATE 语句错误地消除了 projection 导致 `Can't find column` 报错的问题 [#37568](https://github.com/pingcap/tidb/issues/37568)
- (dup) 修复某些情况下分区表无法充分利用索引来扫描数据的问题 [#33966](https://github.com/pingcap/tidb/issues/33966)
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<!--diagnosis **owner: @mornyx**-->

+ TiKV **owner: @tabokie**

- None [#13467](https://github.com/tikv/tikv/issues/13467)
- (dup) 修复 PD 客户端可能会出现死锁的问题 [#13191](https://github.com/tikv/tikv/issues/13191)
- (dup) 修复 PD Region heartbeat 连接异常中断后未重新连接的问题 [#12934](https://github.com/tikv/tikv/issues/12934)
- (dup) 修复 Raftstore 线程繁忙时,可能会出现 Region 重叠的问题 [#13160](https://github.com/tikv/tikv/issues/13160)

+ PD **owner: @nolouch**

- Fix a bug that could not handle dashboard proxy requests correctly [#5321](https://github.com/tikv/pd/issues/5321)
- (dup) 修复已清除的 `tombstone store` 信息在切换 PD leader 后再次出现的问题 [#4941](https://github.com/tikv/pd/issues/4941)
- (dup) 修复 PD 可能没创建 TiFlash Learner 副本的问题 [#5401](https://github.com/tikv/pd/issues/5401)

+ TiFlash

<!--compute **owner: @zanmato1984**-->
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- (dup) 修复 `format` 函数可能会报 `Data truncated` 错误的问题 [#4891](https://github.com/pingcap/tiflash/issues/4891)
- (dup) 修复并行聚合出错时可能导致 TiFlash crash 的问题 [#5356](https://github.com/pingcap/tiflash/issues/5356)

<!--storage **owner: @flowbehappy**-->

- (dup) 修复使用包含 `NULL` 值的列创建主键时导致崩溃的问题 [#5859](https://github.com/pingcap/tiflash/issues/5859)

+ Tools

+ TiDB Lightning **owner: @niubell**

- 修复 BigInt 自增列可能越界的问题 [#27397](https://github.com/pingcap/tidb/issues/27937)
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- (dup) 修复极端情况下去重可能会导致 TiDB Lightning panic 的问题 [#34163](https://github.com/pingcap/tidb/issues/34163)
- (dup) 修复 TiDB Lightning 不支持 Parquet 文件中以斜线 (`/`)、数字、非 ASCII 字符开头的特殊列名的问题 [#36980](https://github.com/pingcap/tidb/issues/36980)
- (dup) 修复了使用 IPv6 host 时无法连接到 TiDB 的问题 [#35880](https://github.com/pingcap/tidb/issues/35880)

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+ TiDB Data Migration (DM) **owner: @niubell**

- (dup) 修复 DM Worker 获取 DB 连接时可能卡住的问题 [#3733](https://github.com/pingcap/tiflow/issues/3733)
- (dup) 修复 DM 报错 `Specified key was too long` 的问题 [#5315](https://github.com/pingcap/tiflow/issues/5315)
- (dup) 修复数据同步过程中,latin1 字符集数据可能损坏的问题 [#7028](https://github.com/pingcap/tiflow/issues/7028)
- (dup) 修复 DM IPv6 支持问题 [#6249](https://github.com/pingcap/tiflow/issues/6249)
- (dup) 修复 `query-status` 内可能存在 data race 的问题 [#4811](https://github.com/pingcap/tiflow/issues/4811)
- (dup) 修复 relay 报错时可能导致 goroutine 泄露问题 [#6193](https://github.com/pingcap/tiflow/issues/6193)
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+ TiCDC **owner: @nongfushanquan**

- (dup) 修复 `enable-old-value = false` 时可能出现的 cdc panic 问题 [#6198](https://github.com/pingcap/tiflow/issues/6198)

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+ Backup & Restore (BR) **owner: @3pointer**

- (dup) 修复了当外部存储的鉴权 Key 中存在某些特殊符号时,会导致备份恢复失败的问题 [#37469](https://github.com/pingcap/tidb/issues/37469)
- (dup) 修复了在恢复时配置了过高的 concurrency 会导致 Region 不均衡的问题 [#37549](https://github.com/pingcap/tidb/issues/37549)

+ Dumpling **owner: @niubell**

- (dup) 修复 GetDSN 方法不支持 IPv6 的问题 [#36112](https://github.com/pingcap/tidb/issues/36112)

+ TiDB Binlog
1 change: 1 addition & 0 deletions releases/release-notes.md
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Expand Up @@ -26,6 +26,7 @@ TiDB 历史版本发布声明如下:

## 5.4

- [5.4.3](/releases/release-5.4.3.md): 2022-xx-xx
- [5.4.2](/releases/release-5.4.2.md): 2022-07-08
- [5.4.1](/releases/release-5.4.1.md): 2022-05-13
- [5.4.0](/releases/release-5.4.0.md): 2022-02-15
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1 change: 1 addition & 0 deletions releases/release-timeline.md
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Expand Up @@ -9,6 +9,7 @@ summary: 了解 TiDB 的版本发布时间线。

| 版本 | 发布日期 |
| :--- | :--- |
| [5.4.3](/releases/release-5.4.3.md) | 2022-xx-xx |
| [6.3.0-DMR](/releases/release-6.3.0.md) | 2022-09-30 |
| [5.3.3](/releases/release-5.3.3.md) | 2022-09-14 |
| [6.1.1](/releases/release-6.1.1.md) | 2022-09-01 |
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