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8.5.5 release notes: add info about the Go upgrade #21282

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ti-chi-bot merged 1 commit into from
Jan 22, 2026
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8.5.5 release notes: add info about the Go upgrade #21282

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2 changes: 2 additions & 0 deletions releases/release-8.5.5.md
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Expand Up @@ -198,6 +198,8 @@ TiDB 版本：8.5.5

### 其他

* 为了提升 TiDB 性能，TiDB 的 Go 编译器版本从 go1.23.6 升级到了 go1.25.5。如果你是 TiDB 的开发者，为了能保证顺利编译，请对应升级你的 Go 编译器版本。

* 使用 BR v8.5.5 对较低版本的 TiDB 集群（例如 v8.5.4 或 v8.1.2）执行 PITR 恢复时，日志恢复阶段会失败并报错。

数据全量备份与恢复不受此问题影响。
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