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[FLINK-38661][docs] Add 2.2.0 release note#27235

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[FLINK-38661][docs] Add 2.2.0 release note#27235

ruanhang1993 wants to merge5 commits intoapache:masterfromruanhang1993:release2.2docs

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ruanhang1993 commentedNov 13, 2025

What is the purpose of the change

This pull request adds 2.2.0 release note.

Brief change log

This pull request adds 2.2.0 release note.

Verifying this change

This change is a docs work without any test coverage.

Does this pull request potentially affect one of the following parts:

Dependencies (does it add or upgrade a dependency): (no)
The public API, i.e., is any changed class annotated with@Public(Evolving): (no)
The serializers: (no )
The runtime per-record code paths (performance sensitive): (no)
Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (no)
The S3 file system connector: (no)

Documentation

Does this pull request introduce a new feature? (no)
If yes, how is the feature documented? (no)

[FLINK-38661][docs] Add 2.2.0 release note

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flinkbot commentedNov 13, 2025•
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CI report:

e57bf49 Azure:SUCCESS

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davidradl reviewed

Nov 13, 2025

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docs/content.zh/release-notes/flink-2.2.md OutdatedShow resolvedHide resolved

davidradl reviewed

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docs/content.zh/release-notes/flink-2.2.md

		(e.g., Retrieval-Augmented Generation, RAG) directly within Flink.

		See more details about the capabilities and usages of
		Flink's [Vector Search](https://nightlies.apache.org/flink/flink-docs-release-2.2/docs/dev/table/sql/queries/vector-search/).

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this link is a technical reference to the API and is not guide to use it in in RAG etc .

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I think we're missing some quick starts for RAG now. Seems we can only link to the vector search doc here...

davidradl reviewed

Nov 13, 2025

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docs/content.zh/release-notes/flink-2.2.md Outdated


		##### [FLINK-38104](https://issues.apache.org/jira/browse/FLINK-38104)

		Flink already expanded the `ML_PREDICT` table-valued function (TVF) to perform

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Was the "already expanded " in 2.1? This implies there was a datastream version of ML_PREDICT at 2.0 that was enhanced at 2.1.

Maybe we should include SQL as well as the table api

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@davidradl I rewrite this part. Please take a look.

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github-actionsbot added the community-reviewedPR has been reviewed by the community. label

Nov 13, 2025

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snuyanzin reviewed

Nov 21, 2025

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docs/content.zh/release-notes/flink-2.2.md

		that changed between Flink 2.1 and Flink 2.2. Please read these notes carefully if you are
		planning to upgrade your Flink version to 2.2.

		### Table SQL / API

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There is a breaking change for Flink SQL after fixingFLINK-20539
Can we also have it mentioned in release notes?

In jira's forFLINK-20539 there is a filledrelease notes field.

May be we should also check in case there are some more jira issues targeted to 2.2.0 with not emptyrelease notes field

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@snuyanzin Thanks. Could you help to provide the document about this part?

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what document are you talking about?

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If you openhttps://issues.apache.org/jira/browse/FLINK-20539
there is a fieldRelease Note: like for every other jira
if this field is not empty then it should be reflected in release notes

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@snuyanzin Thanks for reminding me. I have filtered all tickets which are with release notes by fileterproject = FLINK AND fixVersion = 2.2.0 AND "Release Note" IS NOT EMPTY and added them into 2.2.0 release note.

ruanhang1993 added3 commits

November 25, 2025 16:29

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[FLINK-38661][docs] Add 2.2.0 release note#27235

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[FLINK-38661][docs] Add 2.2.0 release note#27235

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ruanhang1993 commentedNov 13, 2025

What is the purpose of the change

Brief change log

Verifying this change

Does this pull request potentially affect one of the following parts:

Documentation

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flinkbot commentedNov 13, 2025•
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