Mule Runtime 4.6-lts End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Mule Runtime 4.6-lts is actively supported. It reaches end of life on 28 Feb 2027.
203 days of security support left
4.6.22 latest release
81% of this branch's supported lifetime has elapsed — 29 Feb 2024 → 28 Feb 2027.
Support timeline
Official dates from the Mule Runtime release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 29 Feb 2024 | — |
| End of life (scheduled) | 28 Feb 2027 | in 203 days |
| Active support ended | 31 Aug 2026 | security fixes only after this |
| Latest release | 4.6.22 · 2 Sept 2025 | current |
How much runway a newer branch buys
Mule Runtime 4.6-lts is the newest branch — this is the longest runway currently available.
| Branch | End of life | Days left | vs 4.6-lts |
|---|---|---|---|
| Mule Runtime 4.12 | 28 Feb 2027 | 203 | 0 days |
| 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 | this branch |
Frequently asked questions
When does Mule Runtime 4.6-lts reach end of life?
Mule Runtime 4.6-lts reaches end of life on 28 Feb 2027 — 203 days from now. After that date it receives no security fixes.
Is Mule Runtime 4.6-lts still supported?
Yes. Mule Runtime 4.6-lts is currently maintained. Latest release: 4.6.22, published 2 Sept 2025.
What happens when Mule Runtime 4.6-lts 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 4.6-lts?
203 days. This is already the newest branch, so this is the longest runway currently available.