Apache Pulsar end-of-life: support & EOL dates for every release
Apache · Messaging · 2 supported · 12 end-of-life · updated June 2026 · what is end-of-life? →
This is when each Apache Pulsar release line stops receiving security updates. 2 release lines are still supported — the next to reach end-of-life is Apache Pulsar 4.2 on 24 Sept 2026. Running an end-of-life version means new vulnerabilities stay unpatched.
Apache Pulsar support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Apache Pulsar 4.0 | 4.0.11 | 21 Oct 2026 · in 4 mo | Ends soon |
| Apache Pulsar 4.2 | 4.2.2 | 24 Sept 2026 · in 3 mo | Ends soon |
| Apache Pulsar 4.1 | 4.1.3 | 8 Mar 2026 | End of life |
| Apache Pulsar 3.0 | 3.0.17 | 2 May 2025 | End of life |
| Apache Pulsar 3.3 | 3.3.9 | 5 Dec 2024 | End of life |
| Apache Pulsar 3.2 | 3.2.4 | 5 Aug 2024 | End of life |
| Apache Pulsar 3.1 | 3.1.3 | 10 Feb 2024 | End of life |
| Apache Pulsar 2.11 | 2.11.4 | 11 Jan 2024 | End of life |
| Apache Pulsar 2.10 | 2.10.6 | 18 Apr 2023 | End of life |
| Apache Pulsar 2.9 | 2.9.5 | 20 Dec 2022 | End of life |
| Apache Pulsar 2.8 | 2.8.4 | 15 Jun 2022 | End of life |
| Apache Pulsar 2.7 | 2.7.5 | 3 Dec 2021 | End of life |
| Apache Pulsar 2.6 | 2.6.4 | 17 Jun 2021 | End of life |
| Apache Pulsar 2.5 | 2.5.2 | 15 Jan 2021 | End of life |
Which Apache Pulsar version should I run?
The safest choice is the latest supported release, 4.2.2. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Apache Pulsar's full security status →
Get warned before Apache Pulsar reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Apache Pulsar on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Apache Pulsar end-of-life — frequently asked
What Apache Pulsar versions are still supported?
As of June 2026, these Apache Pulsar release lines still receive security updates: 4.0, 4.2. The latest supported release is 4.2.2. Versions older than these (4.1, 3.0, 3.3, 3.2, 3.1, 2.11, 2.10, 2.9, 2.8, 2.7, 2.6, 2.5) are end-of-life and no longer patched.
When does Apache Pulsar 4.2 reach end of life?
Apache Pulsar 4.2 reaches end-of-life on 24 Sept 2026 — about 3 months away. After that date it stops receiving security patches.
Is Apache Pulsar end-of-life?
No — Apache Pulsar still has supported release lines (4.0, 4.2). But individual older versions are end-of-life, so what matters is the specific version you run.
How do I know when my Apache Pulsar version reaches end of life?
Check the version you run on its product page, or monitor Apache Pulsar on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with Apache. See related: Apache Pulsar security status · full EOL calendar · what is end-of-life software? · disclaimer.