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Add Flink 2.3.0 release#853

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Add Flink 2.3.0 release#853
alpinegizmo wants to merge 6 commits into
apache:asf-sitefrom
alpinegizmo:flink230

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@alpinegizmo
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This is the release blog post for Flink 2.3.0.

After the release is finalized, this PR will be updated with the other updates needed for the website and then published.

@alpinegizmo alpinegizmo requested a review from RocMarshal May 27, 2026 18:54
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@lihaosky lihaosky left a comment

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LGTM!

@RocMarshal RocMarshal self-assigned this May 29, 2026
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Thanks @alpinegizmo @lihaosky .

  • I have conducted a detailed review only on FLIP-339, FLIP-495 and FLIP-487, which I am relatively familiar with.

  • For other items, I only did a brief check based on my limited understanding.

  • It is worth noting that not all FLIP features mentioned here have been fully merged into version 2.3. Do we need to add notes for the incomplete FLIP items in 2.3, for instance, a brief mention that some features are still under development?

  • Besides, after the review is completed, should we rebuild the code before merging?

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**More Information**
* [FLINK-37399](https://issues.apache.org/jira/browse/FLINK-37399)

## Checkpointing During Recovery (FLIP-547)
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Hi, @1996fanrui Could you help take a look if you had the free time ? many thanks

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Additional configuration supports SSE-KMS encryption, chunked encoding, checksum validation, and entropy injection for high-throughput workloads.

Note: The Native S3 FileSystem is experimental in Flink 2.3. It is functionally complete and has demonstrated strong performance in benchmarks, but more experience is needed before it can be recommended for use in production.
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@alpinegizmo alpinegizmo Jun 1, 2026

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@Samrat002 Does this sound right to you? Also see my update above, at line 132, about better performance.

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@RocMarshal RocMarshal left a comment

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Thanks all involved in the review.

LGTM+1

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5 participants