Apache Flink end of life dates
Apache Flink 2.3 is the newest release line, at 2.3.0 (23 Jun 2026). 4 lines are still supported upstream: 2.3, 2.2, 2.1 and 1.20. 4 lines have reached end of life, most recently 1.19 on 1 Jul 2026. OSSeva ships patched builds for end-of-life Apache Flink 2.0, 1.19, 1.18 and 1.17.
- Latest release
- 2.3.0
- Supported lines
- 4
- End-of-life lines
- 4
- Next end of life
- None scheduled
Apache Flink release timeline
All Apache Flink versions and end-of-life dates
| Version | Released | Security Support | Latest | OSSeva |
|---|---|---|---|---|
| 2.3 | 3 months ago(25 Jun 2026) | Yes | 2.3.0 | – |
| 2.2 | 10 months ago(4 Dec 2025) | Yes | 2.2.1 | – |
| 2.1 | 1 year and 2 months ago(29 Jul 2025) | Yes | 2.1.3 | – |
| 2.0 | 1 year and 6 months ago(19 Mar 2025) | Ended 3 months ago(25 Jun 2026) | 2.0.2 | Patched |
| 1.20 (LTS) | 2 years and 2 months ago(1 Aug 2024) | Yes | 1.20.5 | – |
| 1.19 | 2 years and 7 months ago(15 Mar 2024) | Ended 3 months ago(1 Jul 2026) | 1.19.3 | Patched |
| 1.18 | 2 years and 11 months ago(24 Oct 2023) | Ended 1 year and 6 months ago(24 Mar 2025) | 1.18.1 | Patched |
| 1.17 | 3 years and 6 months ago(23 Mar 2023) | Ended 2 years and 2 months ago(1 Aug 2024) | 1.17.2 | Patched |
Lifecycle data from endoflife.date (MIT licence), refreshed 30 Sept 2026. “Patched” marks end-of-life lines OSSeva ships signed, backported builds for.
Running an end-of-life Apache Flink version?
OSSeva keeps end-of-life Apache Flink patched with signed builds and backported CVE fixes, documents it for your auditor, and can run it for you, so the upgrade happens on your schedule rather than the project’s.
Apache Flink extended supportApache Flink end of life: common questions
What is the latest Apache Flink version?
2.3.0, released 23 Jun 2026, on the 2.3 line. Other supported lines: 2.2, 2.1 and 1.20.
Which Apache Flink versions are still supported?
2.3, 2.2, 2.1 and 1.20. Every other line has reached end of life, per the dates in the table above.
Can I get security patches for an end-of-life Apache Flink version?
Yes. OSSeva ships signed builds with backported CVE fixes for Apache Flink 2.0, 1.19, 1.18 and 1.17 after upstream support ends, on the Patch, Assure and Operate tiers, so you can stay on the version you run while you plan the upgrade.
Still running an end-of-life Apache Flink?
Tell us the versions and the estate size. We will tell you whether to upgrade or keep it patched, and what each costs.