add release notes 8.5.6 by hfxsd · Pull Request #21445 · pingcap/docs-cn

hfxsd · 2026-03-18T09:20:31Z

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ti-chi-bot · 2026-03-18T09:35:50Z

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Synced from: pingcap/docs-cn#21445 Target PR: pingcap#22578 AI Provider: gemini Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

releases/release-8.5.6.md

Co-authored-by: JaySon <tshent@qq.com>

releases/release-8.5.6.md

Co-authored-by: Ruihao Chen <joechenrh@gmail.com>

releases/release-8.5.6.md

Co-authored-by: HuaiyuXu <xuhuaiyu@pingcap.com> Co-authored-by: okJiang <jiangxianjie@pingcap.com>

releases/release-8.5.6.md

Co-authored-by: Grace Cai <qqzczy@126.com>

releases/release-8.5.6.md

Co-authored-by: xixirangrang <hfxsd@hotmail.com>

lilin90 · 2026-04-03T09:18:53Z

releases/release-8.5.6.md

+    - 修复在执行 `EXCHANGE PARTITION` 后，非聚簇分区表上的非唯一全局索引或可为空的唯一全局索引可能出现不一致并返回不完整结果的问题 [#65289](https://github.com/pingcap/tidb/issues/65289) @[mjonss](https://github.com/mjonss)
+    - 修复 `KILL QUERY` 错误终止空闲连接的问题 [#65447](https://github.com/pingcap/tidb/issues/65447) @[gengliqi](https://github.com/gengliqi)<!--tw@hfxsd: the following 8 notes-->
+    - 在 `mysql.tidb` 中新增 `cluster_id` 字段，使外部工具能够判断两个 TiDB 实例是否属于同一集群 [#59476](https://github.com/pingcap/tidb/issues/59476) @[YangKeao](https://github.com/YangKeao)
+    - 将不可打印的预处理语句参数以十六进制的形式输出，从而提升慢查询日志的可读性 [#65383](https://github.com/pingcap/tidb/issues/65383) @[dveeden](https://github.com/dveeden)


@hfxsd 这一条属于提升改进，需要挪一下位置。

releases/release-8.5.6.md

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Create release-8.5.6.md

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hfxsd self-assigned this Mar 18, 2026

ti-chi-bot bot added contribution This PR is from a community contributor. missing-translation-status This PR does not have translation status info. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Mar 18, 2026

hfxsd added translation/doing This PR’s assignee is translating this PR. needs-cherry-pick-release-8.5 Should cherry pick this PR to release-8.5 branch. and removed missing-translation-status This PR does not have translation status info. labels Mar 18, 2026

Update release-8.5.6.md

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hfxsd mentioned this pull request Mar 18, 2026

add release notes 8.5.6 pingcap/docs#22578

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releases: refine descriptions of two new features

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releases: update two links

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hfxsd commented Mar 18, 2026

First-time contributors' checklist

What is changed, added or deleted? (Required)

Which TiDB version(s) do your changes apply to? (Required)

What is the related PR or file link(s)?

Do your changes match any of the following descriptions?

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