rmoff commented on code in PR #825: URL: https://github.com/apache/flink-web/pull/825#discussion_r2760675689
########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. Review Comment: ```suggestion - The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and Flink v2 ready. ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) Review Comment: ```suggestion - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source ([#209](https://github.com/apache/flink-connector-kafka/pull/209)) ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. Review Comment: ```suggestion - Flink dev connector Slack brought up an interesting discussion: the Python connectors are in the Flink core repository, but the rest of the connector code is in its own repository. ``` Not sure if this is the communicating the correct intent, but rewritten a bit to fix grammar. ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) Review Comment: ```suggestion - [FLINK-38947] Handle errors in onCompletion callback only once ([#214](https://github.com/apache/flink-connector-kafka/pull/214)) ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) Review Comment: ```suggestion * [A view on the Flink world from Ververica](https://www.ververica.com/blog/a-world-without-kafka) ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes Review Comment: ```suggestion ### Key Themes ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes + +1. Enhanced Application Mode for batch processing +2. Improved observability and error reporting +3. SQL syntax evolution for diverse artifacts +4. Performance optimization through adaptive partitioning +5. Kubernetes Operator maturity + +### π Community Announcements + +**New Committers:** +- **David Radley** +- **Yuepeng Pan (RocMarshal)** + +**New PMC Member:** +- **Hang Ruan** + +### π Active FLIPs Review Comment: ```suggestion ### Active FLIPs ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes + +1. Enhanced Application Mode for batch processing +2. Improved observability and error reporting +3. SQL syntax evolution for diverse artifacts +4. Performance optimization through adaptive partitioning +5. Kubernetes Operator maturity + +### π Community Announcements + +**New Committers:** +- **David Radley** +- **Yuepeng Pan (RocMarshal)** + +**New PMC Member:** +- **Hang Ruan** + +### π Active FLIPs + +**FLIP-560: Application Capability Enhancement** (Yi Zhang) +- Multi-job execution in Application Mode +- Re-running main method after JobManager restarts +- Expose main method exceptions via REST/UI +- Active discussion on error handling and diagnostics + +**FLIP-559: Add ARTIFACT Keyword** (Mika Naylor) +- Generic ARTIFACT keyword for CREATE FUNCTION +- Supports future artifact types beyond JARs +- Moving toward vote + +**FLIP-487: Rescale History in Web UI** (Yuepeng Pan) +- Vote started January 7, 2026 +- Improves rescaling observability + +**FLIP-558: SinkUpsertMaterializer Improvements** (Dawid) +- Vote started + +**FLIP-339: Adaptive Partition Selection** (Yuepeng Pan) +- Dynamic partitioning based on downstream load +- Focuses on rebalance/rescale, debate on shuffle() + +**FLIP-561: Restructure Flink documentation** (Martijn Visser) +- Vote started January 15, 2026 + +### π§ Kubernetes Operator 1.14.0 Release + +- **Target:** Release cut January 30, RC vote early February +- **Release Manager:** Gyula FΓ³ra +- **Key Features:** FlinkBlueGreenDeployment fixes from Shopify team + +### βFor more information + +Anything you think has been misrepresented, is wrong or missing, please let me know via Flink Slack. Review Comment: add your handle? ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes + +1. Enhanced Application Mode for batch processing +2. Improved observability and error reporting +3. SQL syntax evolution for diverse artifacts +4. Performance optimization through adaptive partitioning +5. Kubernetes Operator maturity + +### π Community Announcements + +**New Committers:** +- **David Radley** +- **Yuepeng Pan (RocMarshal)** + +**New PMC Member:** +- **Hang Ruan** + +### π Active FLIPs + +**FLIP-560: Application Capability Enhancement** (Yi Zhang) +- Multi-job execution in Application Mode +- Re-running main method after JobManager restarts +- Expose main method exceptions via REST/UI +- Active discussion on error handling and diagnostics + +**FLIP-559: Add ARTIFACT Keyword** (Mika Naylor) +- Generic ARTIFACT keyword for CREATE FUNCTION +- Supports future artifact types beyond JARs +- Moving toward vote + +**FLIP-487: Rescale History in Web UI** (Yuepeng Pan) +- Vote started January 7, 2026 +- Improves rescaling observability + +**FLIP-558: SinkUpsertMaterializer Improvements** (Dawid) +- Vote started + +**FLIP-339: Adaptive Partition Selection** (Yuepeng Pan) +- Dynamic partitioning based on downstream load +- Focuses on rebalance/rescale, debate on shuffle() + +**FLIP-561: Restructure Flink documentation** (Martijn Visser) +- Vote started January 15, 2026 + +### π§ Kubernetes Operator 1.14.0 Release + +- **Target:** Release cut January 30, RC vote early February +- **Release Manager:** Gyula FΓ³ra +- **Key Features:** FlinkBlueGreenDeployment fixes from Shopify team + +### βFor more information + +Anything you think has been misrepresented, is wrong or missing, please let me know via Flink Slack. +If you would like to keep a closer eye on whatβs happening in the community, subscribe to the Flink [@community mailing list](https://flink.apache.org/community.html#mailing-lists) to get fine-grained weekly updates, upcoming event announcements and more. Review Comment: maybe also mention dev and user? ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) Review Comment: ```suggestion * [A blog on Flink being the future of stream processing](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes + +1. Enhanced Application Mode for batch processing +2. Improved observability and error reporting +3. SQL syntax evolution for diverse artifacts +4. Performance optimization through adaptive partitioning +5. Kubernetes Operator maturity + +### π Community Announcements + +**New Committers:** +- **David Radley** +- **Yuepeng Pan (RocMarshal)** + +**New PMC Member:** +- **Hang Ruan** + +### π Active FLIPs + +**FLIP-560: Application Capability Enhancement** (Yi Zhang) +- Multi-job execution in Application Mode +- Re-running main method after JobManager restarts +- Expose main method exceptions via REST/UI +- Active discussion on error handling and diagnostics + +**FLIP-559: Add ARTIFACT Keyword** (Mika Naylor) +- Generic ARTIFACT keyword for CREATE FUNCTION +- Supports future artifact types beyond JARs +- Moving toward vote + +**FLIP-487: Rescale History in Web UI** (Yuepeng Pan) +- Vote started January 7, 2026 +- Improves rescaling observability + +**FLIP-558: SinkUpsertMaterializer Improvements** (Dawid) +- Vote started + +**FLIP-339: Adaptive Partition Selection** (Yuepeng Pan) +- Dynamic partitioning based on downstream load +- Focuses on rebalance/rescale, debate on shuffle() + +**FLIP-561: Restructure Flink documentation** (Martijn Visser) +- Vote started January 15, 2026 + +### π§ Kubernetes Operator 1.14.0 Release Review Comment: ```suggestion ### Kubernetes Operator 1.14.0 Release ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes + +1. Enhanced Application Mode for batch processing +2. Improved observability and error reporting +3. SQL syntax evolution for diverse artifacts +4. Performance optimization through adaptive partitioning +5. Kubernetes Operator maturity + +### π Community Announcements + +**New Committers:** +- **David Radley** +- **Yuepeng Pan (RocMarshal)** + +**New PMC Member:** +- **Hang Ruan** + +### π Active FLIPs Review Comment: it'd be useful to link to the Atlassian pages for each of the FLIPs so that people can easily find more details ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) Review Comment: ```suggestion * Kai Waehner - [Extensive view on the streaming trends for 2026](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. Review Comment: I'd either expand on this (e.g. how did you get AI to generate it), or just omit it. It's not really clear what it means currently. ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes + +1. Enhanced Application Mode for batch processing +2. Improved observability and error reporting +3. SQL syntax evolution for diverse artifacts +4. Performance optimization through adaptive partitioning +5. Kubernetes Operator maturity + +### π Community Announcements Review Comment: ```suggestion ### Community Announcements ``` ########## docs/content/posts/2026-02-01-community-update.md: ########## @@ -0,0 +1,109 @@ +--- +authors: +- davidrad: null + name: David Radley +date: "2026-02-02T08:00:00Z" +excerpt: Flink Community update for February 2026 +title: Flink Community Update - February'26 +aliases: +- /news/2026/02/02/community-update.html +--- + +# This past month in Flink + +<!-- TOC --> +* [This past month in Flink](#this-past-month-in-flink) + * [Flink related Blogs](#flink-related-blogs) + * [Summary of Apache Flink Dev List (covering January 2026)](#summary-of-apache-flink-dev-list-covering-january-2026) + * [π Key Themes](#-key-themes) + * [π Community Announcements](#-community-announcements) + * [π Active FLIPs](#-active-flips) + * [π§ Kubernetes Operator 1.14.0 Release](#-kubernetes-operator-1140-release) + * [βFor more information](#for-more-information) +<!-- TOC --> + +Previous Blog : +[http://localhost:1313/2020/09/04/flink-community-update-august20/](http://localhost:1313/2020/09/04/flink-community-update-august20/) + +After a gap, the Community update is back for February 2026! As usual this update will summarise what has happened in the previous month (January). +- In the last few years the Flink PR backlog got to around 1200. We introduced the stale bot last year, and it came down to around 200. +Interestingly, in the last month or so the backlog has been creeping up again and is over 250. +- The previous month has seen the connector parent v2 being released, the long awaited connector parent brought up to date and flink 2 ready. +- The AWS connectors have been enhanced and are about be to be released for Flink v1 and v2. +- Flink dev connector slack brought up an interesting discussion the Python connectors are in the Flink core repository + but the rest of the connector code is in its own repository. +- Flink HTTP connector, addressed all outstanding raised PRs. Preparing for releasing it. +- Flink Kafka connector had quite a busy month with around 10 commits going in. The most interesting were: + - [FLINK-38947] Handle errors in onCompletion callback only once (#214) + - [FLINK-38876] Support per-cluster offset in Dynamic Kafka Source (#209) +- Flink Kubenetes operator + - had 9 commits, improvements to the blue-green deployment stood out. + - Preparing to release Kubernetes Operator 1.14.0 + +## Flink related Blogs + +* Extensive view on the streaming trends for 2026 +[https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/](https://www.kai-waehner.de/blog/2025/12/10/top-trends-for-data-streaming-with-apache-kafka-and-flink-in-2026/) +* A view on the Flink world from Ververica +[https://www.ververica.com/blog/a-world-without-kafka](https://www.ververica.com/blog/a-world-without-kafka) +* A blog on Flink being the future of stream processing +[https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f](https://www.oreateai.com/blog/understanding-apache-flink-the-future-of-stream-processing/284a4ec5131c57f2dbf5b0b2660f896f) + +## Summary of Apache Flink Dev List (covering January 2026) + +AI summary. + +### π Key Themes + +1. Enhanced Application Mode for batch processing +2. Improved observability and error reporting +3. SQL syntax evolution for diverse artifacts +4. Performance optimization through adaptive partitioning +5. Kubernetes Operator maturity + +### π Community Announcements + +**New Committers:** +- **David Radley** +- **Yuepeng Pan (RocMarshal)** + +**New PMC Member:** +- **Hang Ruan** + +### π Active FLIPs + +**FLIP-560: Application Capability Enhancement** (Yi Zhang) +- Multi-job execution in Application Mode +- Re-running main method after JobManager restarts +- Expose main method exceptions via REST/UI +- Active discussion on error handling and diagnostics + +**FLIP-559: Add ARTIFACT Keyword** (Mika Naylor) +- Generic ARTIFACT keyword for CREATE FUNCTION +- Supports future artifact types beyond JARs +- Moving toward vote + +**FLIP-487: Rescale History in Web UI** (Yuepeng Pan) +- Vote started January 7, 2026 +- Improves rescaling observability + +**FLIP-558: SinkUpsertMaterializer Improvements** (Dawid) +- Vote started + +**FLIP-339: Adaptive Partition Selection** (Yuepeng Pan) +- Dynamic partitioning based on downstream load +- Focuses on rebalance/rescale, debate on shuffle() + +**FLIP-561: Restructure Flink documentation** (Martijn Visser) +- Vote started January 15, 2026 + +### π§ Kubernetes Operator 1.14.0 Release + +- **Target:** Release cut January 30, RC vote early February +- **Release Manager:** Gyula FΓ³ra +- **Key Features:** FlinkBlueGreenDeployment fixes from Shopify team + +### βFor more information Review Comment: ```suggestion ### For more information ``` -- This is an automated message from the Apache Git Service. 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