Apache Pulsar end of life dates
Apache Pulsar 4.2 is the newest release line, at 4.2.4 (3 Aug 2026). 1 line is still supported upstream: 4.0. 13 lines have reached end of life, most recently 4.2 on 24 Sept 2026. 4.0 is next, on 21 Oct 2026. OSSeva ships patched builds for end-of-life Apache Pulsar 3.2, 3.1, 3.0, 2.11 and 2.10.
- Latest release
- 4.2.4
- Supported lines
- 1
- End-of-life lines
- 13
- Next end of life
- 4.0 · 21 Oct 2026
Apache Pulsar release timeline
All Apache Pulsar versions and end-of-life dates
| Version | Released | Active Support | Security Support | Latest | OSSeva |
|---|---|---|---|---|---|
| 4.2 | 6 months ago(24 Mar 2026) | Ended 7 days ago(24 Sept 2026) | Ended 7 days ago(24 Sept 2026) | 4.2.4 | – |
| 4.1 | 1 year and 1 month ago(8 Sept 2025) | Ended 7 months ago(8 Mar 2026) | Ended 7 months ago(8 Mar 2026) | 4.1.3 | – |
| 4.0 (LTS) | 1 year and 11 months ago(21 Oct 2024) | Ends in 20 days(21 Oct 2026) | Ends in 1 year and 1 month(21 Oct 2027) | 4.0.13 | – |
| 3.3 | 2 years and 4 months ago(5 Jun 2024) | Ended 1 year and 10 months ago(5 Dec 2024) | Ended 1 year and 10 months ago(5 Dec 2024) | 3.3.9 | – |
| 3.2 | 2 years and 8 months ago(5 Feb 2024) | Ended 2 years and 2 months ago(5 Aug 2024) | Ended 2 years and 2 months ago(5 Aug 2024) | 3.2.4 | Patched |
| 3.1 | 3 years and 2 months ago(10 Aug 2023) | Ended 2 years and 8 months ago(10 Feb 2024) | Ended 2 years and 8 months ago(10 Feb 2024) | 3.1.3 | Patched |
| 3.0 (LTS) | 3 years and 5 months ago(2 May 2023) | Ended 1 year and 5 months ago(2 May 2025) | Ended 5 months ago(2 May 2026) | 3.0.17 | Patched |
| 2.11 | 3 years and 9 months ago(11 Jan 2023) | Ended 2 years and 9 months ago(11 Jan 2024) | Ended 2 years and 9 months ago(11 Jan 2024) | 2.11.4 | Patched |
| 2.10 | 4 years and 5 months ago(18 Apr 2022) | Ended 3 years and 5 months ago(18 Apr 2023) | Ended 3 years and 5 months ago(18 Apr 2023) | 2.10.6 | Patched |
| 2.9 | 4 years and 9 months ago(20 Dec 2021) | Ended 3 years and 9 months ago(20 Dec 2022) | Ended 3 years and 9 months ago(20 Dec 2022) | 2.9.5 | – |
| 2.8 | 5 years and 4 months ago(15 Jun 2021) | Ended 4 years and 4 months ago(15 Jun 2022) | Ended 4 years and 4 months ago(15 Jun 2022) | 2.8.4 | – |
| 2.7 | 5 years and 10 months ago(3 Dec 2020) | Ended 4 years and 10 months ago(3 Dec 2021) | Ended 4 years and 10 months ago(3 Dec 2021) | 2.7.5 | – |
| 2.6 | 6 years and 3 months ago(17 Jun 2020) | Ended 5 years and 3 months ago(17 Jun 2021) | Ended 5 years and 3 months ago(17 Jun 2021) | 2.6.4 | – |
| 2.5 | 6 years and 9 months ago(15 Jan 2020) | Ended 5 years and 8 months ago(15 Jan 2021) | Ended 5 years and 8 months ago(15 Jan 2021) | 2.5.2 | – |
Lifecycle data from endoflife.date (MIT licence), refreshed 30 Sept 2026. Upstream policy: pulsar.apache.org. “Patched” marks end-of-life lines OSSeva ships signed, backported builds for.
Running an end-of-life Apache Pulsar version?
OSSeva keeps end-of-life Apache Pulsar 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 Pulsar extended supportApache Pulsar end of life: common questions
What is the latest Apache Pulsar version?
4.2.4, released 3 Aug 2026, on the 4.2 line.
When is the next Apache Pulsar end of life?
Apache Pulsar 4.0 reaches the end of active support on 21 Oct 2026. After that date the project stops shipping security fixes for 4.0, and CVEs disclosed later stay unpatched upstream.
Which Apache Pulsar versions are still supported?
4.0 (until 21 Oct 2026). 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 Pulsar version?
Yes. OSSeva ships signed builds with backported CVE fixes for Apache Pulsar 3.2, 3.1, 3.0, 2.11 and 2.10 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 Pulsar?
Tell us the versions and the estate size. We will tell you whether to upgrade or keep it patched, and what each costs.