June 26, 2026 -
Gabor Somogyi
Samrat Deb
Apache Flink relies on the underlying filesystem for much of its work: reading and writing application data, materializing streaming sinks, and storing checkpoints and savepoints for recovery. For years, S3 support in Flink meant choosing between two Hadoop-based plugins, each with its own trade-offs and configuration quirks. With Flink 2.3, there is a better option.
Today we’re introducing flink-s3-fs-native, a ground-up, Hadoop-free S3 filesystem built specifically for Flink. It ships as an experimental opt-in plugin in Flink 2.
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June 25, 2026 -
Apache Flink PMC
The Apache Flink PMC is pleased to announce the release of Apache Flink 2.3.0.
This release significantly expands SQL capabilities with changelog conversion operators, enhances materialized table flexibility, introduces an experimental, high-performance native S3 filesystem, and delivers application management. Flink 2.3.0 brings together contributors from around the globe, implements full or core functionalities of 15 FLIPs (Flink Improvement Proposals), and resolves numerous issues and enhancements.
Key improvements in this release include new SQL operators for changelog manipulation (FROM_CHANGELOG and TO_CHANGELOG), fine-grained control over materialized table refresh strategies, adaptive partition selection for optimized backpressure handling, and a completely redesigned S3 filesystem built on AWS SDK v2.
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June 19, 2026 -
Wenjin Xie
The Apache Flink Community is excited to announce the release of Apache Flink Agents 0.3.0.
Get access to Flink Agents 0.3.0 now:
Download the release here. Find documentation and quickstart examples here. Note Agents 0.3.0 is a preview version, which means: Some functionalities may contain known or unknown issues. You can check the list of known issues and their resolution status via the Github Issues. The current APIs and configuration options are experimental and may undergo non-backward compatible changes in future versions.
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June 14, 2026 -
Yunfeng Zhou
The Apache Flink Community is pleased to announce the third bug fix release of the Flink 2.1 series.
This release includes 5 bug fixes, vulnerability fixes, and minor improvements for Flink 2.1. Below you will find a list of all bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: JIRA.
We highly recommend all users upgrade to Flink 2.
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June 8, 2026 -
Yunfeng Zhou
The Apache Flink Community is pleased to announce the fifth bug fix release of the Flink 1.20 series.
This release includes 4 bug fixes, vulnerability fixes, and minor improvements for Flink 1.20. Below you will find a list of all bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: JIRA.
We highly recommend all users upgrade to Flink 1.
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May 26, 2026 -
Gyula Fora
The Apache Flink community is excited to announce the release of Flink Kubernetes Operator 1.15.0!
This release brings Kubernetes-native Conditions to FlinkDeployment, Logback logging support, bundled metric reporters, Flink 2.2 compatibility, and a number of important reliability fixes across session jobs, savepoints, and the mutating webhook.
We encourage you to download the release and share your experience with the community through the Flink mailing lists or JIRA! We’re looking forward to your feedback!
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May 15, 2026 -
Sergey Nuyanzin
The Apache Flink Community is pleased to announce the first bug fix release of the Flink 2.2 series.
This release includes 44 bug fixes, vulnerability fixes, and minor improvements for Flink 2.2. Below you will find a list of all bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: JIRA.
We highly recommend all users upgrade to Flink 2.
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May 11, 2026 -
Sergey Nuyanzin
The Apache Flink Community is pleased to announce the second bug fix release of the Flink 2.0 series.
This release includes 34 bug fixes, vulnerability fixes, and minor improvements for Flink 2.0. Below you will find a list of all bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes, please see: JIRA.
We highly recommend all users upgrade to Flink 2.
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May 11, 2026 -
Sergey Nuyanzin
The Apache Flink Community is pleased to announce the second bug fix release of the Flink 2.1 series.
This release includes 45 bug fixes, vulnerability fixes, and minor improvements for Flink 2.1. Below you will find a list of all bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: JIRA.
We highly recommend all users upgrade to Flink 2.
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April 22, 2026 -
Sergey Nuyanzin
The Apache Flink Community is pleased to announce the fourth bug fix release of the Flink 1.20 series.
This release includes 41 bug fixes, vulnerability fixes, and minor improvements for Flink 1.20. Below you will find a list of all bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes see: JIRA.
We highly recommend all users upgrade to Flink 1.
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