Observability
Prometheus
The pull model, why a label set defines a time series and cardinality kills servers, histogram versus summary, rate() correctly, and Alertmanager routing.
Read the Prometheus guideConcepts it implements
Where Prometheus sits
How this component relates to the rest of the stack. Items without a link are not covered here yet.
Prometheus release support
2 supported| Release | Latest | Released | End of life | Status |
|---|---|---|---|---|
3.15 | 3.15.0 | Sept 2026 | Nov 2026 | Supported |
3.14 | 3.14.0 | Aug 2026 | Sept 2026 | End of life |
3.13LTS | 3.13.4 | Jul 2026 | Jul 2027 | Supported |
3.12 | 3.12.0 | May 2026 | Jul 2026 | End of life |
3.11 | 3.11.3 | Apr 2026 | May 2026 | End of life |
3.10 | 3.10.0 | Feb 2026 | Apr 2026 | End of life |
3.9 | 3.9.1 | Jan 2026 | Feb 2026 | End of life |
3.8 | 3.8.1 | Nov 2025 | Jan 2026 | End of life |
3.7 | 3.7.3 | Oct 2025 | Nov 2025 | End of life |
3.6 | 3.6.0 | Sept 2025 | Nov 2025 | End of life |
3.5LTS | 3.5.5 | Jul 2025 | Jul 2026 | End of life |
3.4 | 3.4.2 | May 2025 | Jun 2025 | End of life |
3.3 | 3.3.1 | Apr 2025 | May 2025 | End of life |
3.2 | 3.2.1 | Feb 2025 | Mar 2025 | End of life |
3.1 | 3.1.0 | Jan 2025 | Feb 2025 | End of life |
3.0 | 3.0.1 | Nov 2024 | Dec 2024 | End of life |
2.55 | 2.55.1 | Oct 2024 | Dec 2024 | End of life |
2.54 | 2.54.1 | Aug 2024 | Sept 2024 | End of life |
2.53LTS | 2.53.5 | Jun 2024 | Jul 2025 | End of life |
2.52 | 2.52.0 | May 2024 | Jun 2024 | End of life |
2.51 | 2.51.2 | Mar 2024 | Apr 2024 | End of life |
2.50 | 2.50.1 | Feb 2024 | Apr 2024 | End of life |
2.49 | 2.49.1 | Jan 2024 | Feb 2024 | End of life |
2.48 | 2.48.1 | Nov 2023 | Dec 2023 | End of life |
2.47 | 2.47.2 | Sept 2023 | Oct 2023 | End of life |
2.45LTS | 2.45.6 | Jun 2023 | Jul 2024 | End of life |
Data as of 2026-10-01 from endoflife.date. Refresh with node scripts/fetch-versions.mjs.