Mule Runtime 4.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Mule Runtime 4.5 reached end of life on 30 Jun 2024. It no longer receives security fixes.
Support timeline
Official dates from the Mule Runtime release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 31 Oct 2023 | — |
| End of life | 30 Jun 2024 | 2.1 years ago |
| Active support ended | 29 Feb 2024 | security fixes only after this |
| Latest release | 4.5.3 · 22 Feb 2024 | final |
Where to go from 4.5
Recommended target: Mule Runtime 4.12 (supported until 28 Feb 2027).
The newest actively supported branch is Mule Runtime 4.12 (latest release 4.12.1).
Frequently asked questions
Is Mule Runtime 4.5 still safe to use?
Mule Runtime 4.5 reached end of life on 30 Jun 2024, 770 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Mule Runtime 4.5?
Yes — the final release (4.5.3) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Mule Runtime 4.5 to?
Upgrade to Mule Runtime 4.12, the newest actively supported branch (supported until 28 Feb 2027).