Telegraf 1.21 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
Telegraf 1.21 reached end of life on 13 Jun 2022. It no longer receives security fixes.
1,518 days without security patches
Recommended action: upgrade to Telegraf 1.39. Check your versiontelegraf --version
Support timeline
Official dates from the Telegraf release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 15 Dec 2021 | — |
| End of life | 13 Jun 2022 | 4.2 years ago |
| Latest release | 1.21.4 · 16 Feb 2022 | final |
Where to go from 1.21
Recommended target: Telegraf 1.39.
The newest actively supported branch is Telegraf 1.39 (latest release 1.39.2).
Frequently asked questions
Is Telegraf 1.21 still safe to use?
Telegraf 1.21 reached end of life on 13 Jun 2022, 1,518 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Telegraf 1.21?
Yes — the final release (1.21.4) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Telegraf 1.21 to?
Upgrade to Telegraf 1.39, the newest actively supported branch.
All Telegraf versions
1.39 supported 1.38 supported 1.37 EOL 2026 1.36 EOL 2026 1.35 EOL 2025 1.34 EOL 2025 1.33 EOL 2025 1.32 EOL 2025 1.31 EOL 2024 1.30 EOL 2024 1.29 EOL 2024 1.28 EOL 2024 1.27 EOL 2023 1.26 EOL 2023 1.25 EOL 2023 1.24 EOL 2023 1.23 EOL 2022 1.22 EOL 2022 1.21 EOL 2022 1.20 EOL 2022 1.19 EOL 2021 1.18 EOL 2021 1.17 EOL 2021 1.16 EOL 2021 1.15 EOL 2020 1.14 EOL 2020 1.13 EOL 2020 1.12 EOL 2020 1.11 EOL 2019 1.10 EOL 2019 1.9 EOL 2019 1.8 EOL 2019 1.7 EOL 2018 1.6 EOL 2018 1.5 EOL 2018 1.4 EOL 2018 1.3 EOL 2017 1.2 EOL 2017 1.1 EOL 2017 1.0 EOL 2017