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Release Management
Maureen Helm edited this page Dec 11, 2025
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Please see https://docs.zephyrproject.org/latest/project/release_process.html#release-milestones and https://docs.zephyrproject.org/latest/releases/ for the definition of the release process and release checkpoints and milestones.
Future release cycle dates are tentative dates and may change.
| Milestone | 4.4 |
|---|---|
| Planning | |
| Review target milestones | |
| Release and Timeline Announcement | 2026/03/09 |
| Release and Timeline Reminder | 2026/03/16 |
| Feature Freeze (RC1) | 2026/03/23 |
| 2nd Release Candidate (RC2) | 2026/03/30 |
| Hard Freeze (RC3) | 2026/04/06 |
| Release | 2026/04/13 |
| End Of Life | 2027/04 |
Note: The milestone dates represent the week during which each milestone is expected to be completed. The listed date reflects the earliest possible completion within that week. Future release cycle dates are tentative and subject to change.
| Release Version | Release Date | Current Version | Support Level | Maintainer |
|---|---|---|---|---|
| 4.6 | April 2027 | LTS - Planned | ||
| 4.5 | October 2026 | Planned | Brix (tentative) / ? | |
| 4.4 | April 2026 | Development | Maureen / Tom | |
| 4.3 | Nov 2025 | 4.3.0 | 11 Months (10/2026) | Johan / Chris |
| 4.2 | Jul 2025 | 4.2.1 | 8 Months (03/2026) | Dan K. / Daniel D. |
| 4.1 | Mar 2025 | 4.1.0 | EOL | Benjamin / Fabio |
| 4.0 | Nov 2024 | 4.0.0 | EOL | Dan / Mahesh |
| 3.7 | Jul 2024 | 3.7.1 | LTS (7/2029) | Anas / Alberto |
| 3.6 | Feb 2024 | 3.6.0 | EOL | Brix / Maureen |
| 3.5 | Oct 2023 | 3.5.0 | EOL | Johan / Fabio |
| 3.4 | Jun 2023 | 3.4.0 | EOL | Anas / Josh |
| 3.3 | Feb 2023 | 3.3.0 | EOL | Stephanos / Lauren |
| 3.2 | Sep 2022 | 3.2.0 | EOL | Fabio / Mahesh |
| 3.1 | Jun 2022 | 3.1.0 | EOL | Carles / Marti |
| 3.0 | Feb 2022 | 3.0.0 | EOL | Dan |
| 2.7 | Oct 2021 | 2.7.6 | EOL - LTS | Chris / Anas |
| 2.6 | Jun 2021 | 2.6.0 | EOL | Kumar |
| 2.5 | Feb 2021 | 2.5.0 | EOL | Anas |
| 2.4 | Sep 2020 | 2.4.0 | EOL | Maureen |
| 2.3 | Jun 2020 | 2.3.0 | EOL | Carles |
| 2.2 | Feb 2020 | 2.2.0 | EOL | Johan |
| 2.1 | Dec 2019 | 2.1.0 | EOL | David |
| 2.0 | Sep 2019 | 2.0.0 | EOL | Ioannis |
| 1.14 | Apr 2019 | 1.14.3 | EOL - LTS | Kumar |
| 1.13 | Sep 2018 | 1.13.0 | EOL | Anas |
| Release Version | Release Date | Support Level | Maintainer |
|---|---|---|---|
| 4.3 | Nov 2025 | 12 Months | |
| 4.4 | Apr 2026 | 12 Months | |
| 4.5 | Oct 2026 | 12 Months | |
| 4.6 | Apr 2027 | LTS |
- Dates are tentative and subject to change.
The release management team meets weekly to triage bugs and assess release readiness following the below agenda:
- Triage bugs
- Bugs without priority
- Unassigned bugs
- Issues without category
- Review backports
- Review release progress
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