[main] Copy v20.0.3 release notes

changelog/20.0/20.0.3/changelog.md

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+# Changelog of Vitess v20.0.3
+
+### Bug fixes 
+#### Backup and Restore
+ * [release-20.0] Fail fast when builtinbackup fails to restore a single file (#16856) [#16868](https://github.com/vitessio/vitess/pull/16868) 
+#### Query Serving
+ * [release-20.0] VTGate MoveTables Buffering: Fix panic when buffering is disabled (#16922) [#16935](https://github.com/vitessio/vitess/pull/16935)
+ * [release-20.0] fixes bugs around expression precedence and LIKE (#16934 & #16649) [#16946](https://github.com/vitessio/vitess/pull/16946)
+ * [release-20.0] bugfix: add HAVING columns inside derived tables (#16976) [#16979](https://github.com/vitessio/vitess/pull/16979)
+ * [release-20.0] bugfix: treat EXPLAIN like SELECT (#17054) [#17057](https://github.com/vitessio/vitess/pull/17057)
+ * [release-20.0] Delegate Column Availability Checks to MySQL for Single-Route Queries (#17077) [#17086](https://github.com/vitessio/vitess/pull/17086) 
+#### VReplication
+ * [release-20.0] Migrate Workflow: Scope vindex names correctly when target and source keyspace have different names (#16769) [#16815](https://github.com/vitessio/vitess/pull/16815) 
+#### VTAdmin
+ * [release-20.0] VTAdmin: Fix serve-handler's path-to-regexp dep and add default schema refresh (#16778) [#16784](https://github.com/vitessio/vitess/pull/16784) 
+#### VTGate
+ * [release-20.0] Support passing filters to `discovery.NewHealthCheck(…)` (#16170) [#16872](https://github.com/vitessio/vitess/pull/16872)
+ * [release-20.0] Fix deadlock between health check and topology watcher (#16995) [#17009](https://github.com/vitessio/vitess/pull/17009) 
+#### VTTablet
+ * [release-20.0] Fix race in `replicationLagModule` of `go/vt/throttle` (#16078) [#16900](https://github.com/vitessio/vitess/pull/16900)
+### CI/Build 
+#### General
+ * [release-20.0] Upgrade Golang to 1.22.8 [#16894](https://github.com/vitessio/vitess/pull/16894)
+### Dependencies 
+#### Java
+ * [release-20.0] Bump com.google.protobuf:protobuf-java from 3.24.3 to 3.25.5 in /java (#16809) [#16838](https://github.com/vitessio/vitess/pull/16838)
+ * [release-20.0] Bump commons-io:commons-io from 2.7 to 2.14.0 in /java (#16889) [#16931](https://github.com/vitessio/vitess/pull/16931) 
+#### VTAdmin
+ * [release-20.0] VTAdmin: Address security vuln in path-to-regexp node pkg (#16770) [#16773](https://github.com/vitessio/vitess/pull/16773)
+### Enhancement 
+#### Build/CI
+ * [release-20.0] Change upgrade test to still use the older version of tests (#16937) [#16969](https://github.com/vitessio/vitess/pull/16969) 
+#### Online DDL
+ * [release-20.0] Improve Schema Engine's TablesWithSize80 query (#17066) [#17090](https://github.com/vitessio/vitess/pull/17090)
+### Internal Cleanup 
+#### VTAdmin
+ * [release-20.0] VTAdmin: Upgrade deps to address security vulns (#16843) [#16847](https://github.com/vitessio/vitess/pull/16847)
+### Regression 
+#### Backup and Restore
+ * [release-20.0] Fix unreachable errors when taking a backup (#17062) [#17111](https://github.com/vitessio/vitess/pull/17111) 
+#### Query Serving
+ * [release-20.0] fix: route engine to handle column truncation for execute after lookup (#16981) [#16985](https://github.com/vitessio/vitess/pull/16985)
+ * [release-20.0] Add support for `MultiEqual` opcode for lookup vindexes. (#16975) [#17040](https://github.com/vitessio/vitess/pull/17040)
+### Release 
+#### General
+ * [release-20.0] Code Freeze for `v20.0.3` [#17145](https://github.com/vitessio/vitess/pull/17145)
+### Testing 
+#### Cluster management
+ * [release-20.0] Flaky test fixes (#16940) [#16959](https://github.com/vitessio/vitess/pull/16959)
+

changelog/20.0/20.0.3/release_notes.md

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+# Release of Vitess v20.0.3
+The entire changelog for this release can be found [here](https://github.com/vitessio/vitess/blob/main/changelog/20.0/20.0.3/changelog.md).
+
+The release includes 23 merged Pull Requests.
+
+Thanks to all our contributors: @app/vitess-bot, @frouioui, @timvaillancourt, @vitess-bot
+

changelog/20.0/README.md

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 ## v20.0
+* **[20.0.3](20.0.3)**
+	* [Changelog](20.0.3/changelog.md)
+	* [Release Notes](20.0.3/release_notes.md)
+
 * **[20.0.2](20.0.2)**
 	* [Changelog](20.0.2/changelog.md)
 	* [Release Notes](20.0.2/release_notes.md)