rtpengine 12.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
rtpengine 12.5 is actively supported. It reaches end of life on 24 Sept 2027.
411 days of security support left
12.5.1.55 latest release
63% of this branch's supported lifetime has elapsed — 20 Sept 2024 → 24 Sept 2027.
Check your versionrtpengine -v
Support timeline
Official dates from the rtpengine release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 20 Sept 2024 | — |
| End of life (scheduled) | 24 Sept 2027 | in 411 days |
| Latest release | 12.5.1.55 · 29 Jun 2026 | current |
How much runway a newer branch buys
Moving to rtpengine 26.1 extends security support by about -389 days.
| Branch | End of life | Days left | vs 12.5 |
|---|---|---|---|
| rtpengine 26.1 | 31 Aug 2026 | 22 | -389 days |
| rtpengine 26.0 | 1 May 2029 | 996 | +585 days |
| rtpengine 13.5 | 28 Sept 2028 | 781 | +370 days |
| rtpengine 12.5 | 24 Sept 2027 | 411 | this branch |
| rtpengine 11.5 | 11 Sept 2026 | 33 | -378 days |
Frequently asked questions
When does rtpengine 12.5 reach end of life?
rtpengine 12.5 reaches end of life on 24 Sept 2027 — 411 days from now. After that date it receives no security fixes.
Is rtpengine 12.5 still supported?
Yes. rtpengine 12.5 is currently maintained. Latest release: 12.5.1.55, published 29 Jun 2026.
What happens when rtpengine 12.5 reaches end of life?
Security fixes stop. After 24 Sept 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from rtpengine 12.5?
411 days. Moving to rtpengine 26.1 instead buys roughly -389 more days of security support.
All rtpengine versions
26.1 supported 26.0 supported 14.1 EOL 2026 14.0 EOL 2026 13.5 supported 13.4 EOL 2025 13.3 EOL 2025 13.2 EOL 2025 13.1 EOL 2025 13.0 EOL 2024 12.5 supported 12.4 EOL 2024 12.3 EOL 2024 12.2 EOL 2024 12.1 EOL 2024 12.0 EOL 2023 11.5 supported 11.4 EOL 2023 11.3 EOL 2023 11.2 EOL 2023 11.1 EOL 2023 11.0 EOL 2022 10.5 EOL 2025 9.5 EOL 2024 8.5 EOL 2023