Prometheus 3.5 LTS

Current patch release: 3.5.1

LTS — Active Prometheus health badge

End of life in 151 days (July 31, 2026). Plan your upgrade now.

Released

July 14, 2025

Active Support

Ongoing

End of Life

July 31, 2026

Latest Patch

3.5.1 (January 21, 2026)

LTS Since

Yes

About Prometheus 3.5 LTS

Prometheus 3.5 LTS is the current Long-Term Support release, originally launched on July 14, 2025. It is the recommended version for production systems where you need a balance of modern features and long-term stability. Active support runs until July 31, 2026, with the full support lifecycle extending to July 31, 2026.

Note that Prometheus 3.5 is approaching end of life in approximately 151 days. While it is still fully supported right now, this is a good time to start testing your application against the next release to ensure a smooth transition when the time comes.

Lifecycle Progress

Released: Jul 2025 EOL: Jul 2026

60% through its lifecycle. 151 days remaining.

Previous Version

Prometheus 3.4

End of Life
Next Version

Prometheus 3.6

End of Life

All Prometheus Versions

Version Released EOL Latest Status
3.10 February 25, 2026 April 8, 2026 3.10.0 Active
3.9 January 6, 2026 February 17, 2026 3.9.1 End of Life
3.8 November 28, 2025 January 9, 2026 3.8.1 End of Life
3.7 October 15, 2025 November 26, 2025 3.7.3 End of Life
3.6 September 17, 2025 November 2, 2025 3.6.0 End of Life
3.5 (current page) July 14, 2025 July 31, 2026 3.5.1 LTS — Active
3.4 May 17, 2025 June 28, 2025 3.4.2 End of Life
3.3 April 15, 2025 May 27, 2025 3.3.1 End of Life
3.2 February 17, 2025 March 31, 2025 3.2.1 End of Life
3.1 January 2, 2025 February 13, 2025 3.1.0 End of Life
3.0 November 14, 2024 December 26, 2024 3.0.1 End of Life
2.55 October 22, 2024 December 3, 2024 2.55.1 End of Life
2.54 August 9, 2024 September 20, 2024 2.54.1 End of Life
2.53 June 16, 2024 July 31, 2025 2.53.5 End of Life
2.52 May 8, 2024 June 19, 2024 2.52.0 End of Life
2.51 March 19, 2024 April 30, 2024 2.51.2 End of Life
2.50 February 22, 2024 April 4, 2024 2.50.1 End of Life
2.49 January 15, 2024 February 26, 2024 2.49.1 End of Life
2.48 November 15, 2023 December 28, 2023 2.48.1 End of Life
2.47 September 6, 2023 October 18, 2023 2.47.2 End of Life
2.46 July 25, 2023 September 5, 2023 2.46.0 End of Life
2.45 June 23, 2023 July 31, 2024 2.45.6 End of Life
2.44 May 14, 2023 August 6, 2023 2.44.0 End of Life
2.43 March 21, 2023 May 2, 2023 2.43.1 End of Life
2.42 January 31, 2023 March 14, 2023 2.42.0 End of Life
2.41 December 20, 2022 January 31, 2023 2.41.0 End of Life
2.40 November 7, 2022 December 19, 2022 2.40.7 End of Life
2.39 October 5, 2022 November 16, 2022 2.39.2 End of Life
2.38 August 16, 2022 September 27, 2022 2.38.0 End of Life
2.37 July 14, 2022 July 31, 2023 2.37.9 End of Life
2.36 May 30, 2022 July 11, 2022 2.36.2 End of Life

Frequently Asked Questions

When was Prometheus 3.5 released?
Prometheus 3.5 was released on July 14, 2025.
When does Prometheus 3.5 reach end of life?
Prometheus 3.5 is scheduled to reach end of life on July 31, 2026.
Is Prometheus 3.5 an LTS release?
Yes, Prometheus 3.5 is a Long-Term Support (LTS) release, which means it receives extended maintenance and security updates for a longer period than regular releases.
What is the latest patch version of Prometheus 3.5?
The latest patch release is 3.5.1, released on January 21, 2026.

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