Apache Flink 1.19.3 Release Announcement

July 10, 2025 - Ferenc Csaky

The Apache Flink Community is pleased to announce the third bug fix release of the Flink 1.19 series. This release includes 14 bug fixes, vulnerability fixes, and minor improvements for Flink 1.19. Below you will find a list of all bugfixes 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 1.19.3 or higher. ...

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Apache Flink 1.20.2 Release Announcement

July 10, 2025 - Ferenc Csaky

The Apache Flink Community is pleased to announce the second bug fix release of the Flink 1.20 series. This release includes 25 bug fixes, vulnerability fixes, and minor improvements for Flink 1.20. Below you will find a list of all bugfixes 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 1.20.2 or higher. ...

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Apache Flink Kubernetes Operator 1.12.0 Release Announcement

June 3, 2025 - Gabor Somogyi

The Apache Flink community is excited to announce the release of Flink Kubernetes Operator 1.12.0! The version brings a number of important fixes and improvements to both core and autoscaler modules. 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! Highlights # Enhanced Error Visibility and Event Reporting # This release places a strong emphasis on improving the visibility and transparency of errors across the entire Flink Kubernetes Operator stack. ...

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Apache Flink CDC 3.4.0 Release Announcement

May 16, 2025 - Yanquan Lv

The Apache Flink Community is excited to announce the release of Flink CDC 3.4.0! This release introduces a new pipeline Connector for Apache Iceberg, and provides support for batch execution mode, many issues encountered in the transform and Schema evolution frameworks have also been fixed. Flink CDC release packages are available at Releases Page, and documentations are available at Flink CDC documentation page. Looking forward to any feedback from the community through the Flink mailing lists or JIRA! ...

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Introducing the Externalized Kudu Connector

April 30, 2025 - Ferenc Csaky

We are pleased to announce the revival of a connector that makes it possible for Flink to interact with Apache Kudu. The original connector existed as part of the Apache Bahir project, which was moved into the attic. Despite this, we saw interest to keep the Kudu connector updated, hence the community agreed to externalize it as a standalone connector in accordance with the current connector development model. For more information about the externalization process, see FLIP-439. ...

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Apache Flink 2.0.0: A new Era of Real-Time Data Processing

March 24, 2025 - Xintong Song

Today, the Flink PMC is proud to announce the official release of Apache Flink 2.0.0! This marks the first release in the Flink 2.x series and is the first major release since Flink 1.0 launched nine years ago. This version is the culmination of two years of meticulous preparation and collaboration, signifying a new chapter in the evolution of Flink. In this release, 165 contributors have come together to complete 25 FLIPs (Flink Improvement Proposals) and 369 issues. ...

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Apache Flink Kubernetes Operator 1.11.0 Release Announcement

March 3, 2025 - Gyula Fora

The Apache Flink community is excited to announce the release of Flink Kubernetes Operator 1.11.0! The version brings a number of important fixes and improvements to both core and autoscaler modules. 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! Highlights # Flink 2.0 Preview Support # The Flink Kubernetes Operator and Autoscaler 1. ...

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Apache Flink 1.19.2 Release Announcement

February 12, 2025 - Alexander Fedulov

The Apache Flink Community is pleased to announce the second bug fix release of the Flink 1.19 series. This release includes 73 bug fixes, vulnerability fixes, and minor improvements for Flink 1.19. Below you will find a list of all bugfixes 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 1.19.2. ...

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Apache Flink 1.20.1 Release Announcement

February 12, 2025 - Alexander Fedulov

The Apache Flink Community is pleased to announce the first bug fix release of the Flink 1.20 series. This release includes 75 bug fixes, vulnerability fixes, and minor improvements for Flink 1.20. Below you will find a list of all bugfixes 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 1.20.1. ...

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Apache Flink CDC 3.3.0 Release Announcement

January 21, 2025 - Hang Ruan

The Apache Flink Community is excited to announce the release of Flink CDC 3.3.0! This release introduces more features in transform and connectors and improve usability and stability of existing features. Flink CDC release packages are available at Releases Page, and documentations are available at Flink CDC documentation page. Looking forward to any feedback from the community through the Flink mailing lists or JIRA! Highlights # Connectors # New Pipeline Connectors # Flink CDC 3. ...

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