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v6.0.0 release notes: update the description of "setting incorrect values for system variables" (#20768) #20774

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Apr 17, 2025
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v6.0.0 release notes: update the description of "setting incorrect values for system variables" (#20768) #20774

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2 changes: 1 addition & 1 deletion releases/release-6.0.0-dmr.md
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Expand Up @@ -556,7 +556,7 @@ TiDB v6.0.0 is a DMR, and its version is 6.0.0-DMR.
- A `loader.<name>.on-duplicate` parameter is added. The default value is `replace`, which means using the new data to replace the existing data. If you want to keep the previous behavior, you can set the value to `error`. This parameter only controls the behavior during the full import phase.
- To use DM, you should use the corresponding version of `dmctl`
- Due to internal mechanism changes, after upgrading DM to v6.0.0, you should also upgrade `dmctl` to v6.0.0.
- In v5.4 (v5.4 only), TiDB allows incorrect values for some noop system variables. Since v6.0.0, TiDB disallows setting incorrect values for system variables. [#31538](https://github.com/pingcap/tidb/issues/31538)
- For v5.4 and earlier versions, TiDB allows incorrect values for some noop system variables. Starting from v6.0.0, TiDB disallows setting incorrect values for system variables. [#31538](https://github.com/pingcap/tidb/issues/31538)

## Improvements

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