IDL 8.5 End of Life
Support dates and upgrade guidance — rebuilt from live data.
End of Life
IDL 8.5 reached end of life on 1 Jul 2018. It no longer receives security fixes.
2,961 days without security patches
Recommended action: upgrade to IDL 9.2. Check your versionidl -e 'print, !version.release'
Support timeline
Official dates from the IDL release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 10 Jul 2015 | — |
| End of life | 1 Jul 2018 | 8.1 years ago |
| Latest release | 8.5.0 · 1 Jul 2018 | final |
Where to go from 8.5
Recommended target: IDL 9.2.
The newest actively supported branch is IDL 9.2 (latest release 9.2.0).
Frequently asked questions
Is IDL 8.5 still safe to use?
IDL 8.5 reached end of life on 1 Jul 2018, 2,961 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download IDL 8.5?
Yes — the final release (8.5.0) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade IDL 8.5 to?
Upgrade to IDL 9.2, the newest actively supported branch.