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Apache Pulsar
Active
Middleware Latest Version: 4.1.2 Latest Release: Nov 17, 2025
Apache Pulsar is a cloud-native, distributed messaging and streaming platform with multi-tenancy support.
Versions
13
Latest Version
4.1.2
Active Support
2
EOL
11
Lifecycle Timeline
Today ↓
4.1
4.1
4.0
4.0
3.3
3.3
3.2
3.2
3.1
3.1
3.0
3.0
2.11
2.11
2.10
2.10
2.9
2.9
2.8
2.8
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 4.1 | Sep 8, 2025 | - | Mar 8, 2026 | 4.1.2 | No | Active |
| 4.0 | Oct 21, 2024 | - | Oct 21, 2026 | 4.0.8 | Yes | Active |
| 3.3 | Jun 5, 2024 | - | Dec 5, 2024 | 3.3.9 | No | EOL |
| 3.2 | Feb 5, 2024 | - | Aug 5, 2024 | 3.2.4 | No | EOL |
| 3.1 | Aug 10, 2023 | - | Feb 10, 2024 | 3.1.3 | No | EOL |
| 3.0 | May 2, 2023 | - | May 2, 2025 | 3.0.15 | Yes | EOL |
| 2.11 | Jan 11, 2023 | - | Jan 11, 2024 | 2.11.4 | No | EOL |
| 2.10 | Apr 18, 2022 | - | Apr 18, 2023 | 2.10.6 | No | EOL |
| 2.9 | Dec 20, 2021 | - | Dec 20, 2022 | 2.9.5 | No | EOL |
| 2.8 | Jun 15, 2021 | - | Jun 15, 2022 | 2.8.4 | No | EOL |
| 2.7 | Dec 3, 2020 | - | Dec 3, 2021 | 2.7.5 | No | EOL |
| 2.6 | Jun 17, 2020 | - | Jun 17, 2021 | 2.6.4 | No | EOL |
| 2.5 | Jan 15, 2020 | - | Jan 15, 2021 | 2.5.2 | No | EOL |
Frequently Asked Questions
Which versions of Apache Pulsar have reached end of life?
The following Apache Pulsar versions have reached end of life and no longer receive security updates: 3.3, 3.2, 3.1, 3.0, 2.11, 2.10, 2.9, 2.8 (and 3 more). It is recommended to upgrade to a supported version.
Is it safe to continue using Apache Pulsar 3.3?
Apache Pulsar 3.3 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Apache Pulsar?
The latest version of Apache Pulsar is 4.1.2, released in the 4.1 release cycle.
How many versions of Apache Pulsar are currently supported?
Apache Pulsar currently has 2 actively supported version(s): 4.1, 4.0.
When does Apache Pulsar 4.1 reach end of life?
Apache Pulsar 4.1 is scheduled to reach end of life on Mar 8, 2026.
What should I do when Apache Pulsar reaches end of life?
When a Apache Pulsar version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.