Mule Runtime 4.12 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Mule Runtime 4.12 is actively supported. It reaches end of life on 28 Feb 2027.
203 days of security support left
4.12.1 latest release
16% of this branch's supported lifetime has elapsed — 30 Jun 2026 → 28 Feb 2027.
Support timeline
Official dates from the Mule Runtime release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 30 Jun 2026 | — |
| End of life (scheduled) | 28 Feb 2027 | in 203 days |
| Active support ended | 30 Nov 2026 | security fixes only after this |
| Latest release | 4.12.1 · 15 Jul 2026 | current |
How much runway a newer branch buys
Mule Runtime 4.12 is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 4.12 |
|---|---|---|---|
| Mule Runtime 4.12 | 28 Feb 2027 | 203 | this branch |
| Mule Runtime 4.11 | 31 Oct 2026 | 83 | -120 days |
| Mule Runtime 4.9-lts | 29 Feb 2028 | 569 | +366 days |
| Mule Runtime 4.6-lts | 28 Feb 2027 | 203 | 0 days |
Frequently asked questions
When does Mule Runtime 4.12 reach end of life?
Mule Runtime 4.12 reaches end of life on 28 Feb 2027 — 203 days from now. After that date it receives no security fixes.
Is Mule Runtime 4.12 still supported?
Yes. Mule Runtime 4.12 is currently maintained. Latest release: 4.12.1, published 15 Jul 2026.
What happens when Mule Runtime 4.12 reaches end of life?
Security fixes stop. After 28 Feb 2027 this branch receives no further updates under standard support.
How long do I have to upgrade from Mule Runtime 4.12?
203 days. This is already the newest branch, so this is the longest runway currently available.