Glasgow Haskell Compiler (GHC) 9.12 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Supported
Glasgow Haskell Compiler (GHC) 9.12 is actively supported.
9.12.4 latest release
Check your versionghc --version
Support timeline
Official dates from the Glasgow Haskell Compiler (GHC) release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 15 Nov 2024 | — |
| End of life (scheduled) | — | not announced |
| Latest release | 9.12.4 · 27 Mar 2026 | current |
Frequently asked questions
When does Glasgow Haskell Compiler (GHC) 9.12 reach end of life?
No end-of-life date has been announced for Glasgow Haskell Compiler (GHC) 9.12 yet.
Is Glasgow Haskell Compiler (GHC) 9.12 still supported?
Yes. Glasgow Haskell Compiler (GHC) 9.12 is currently maintained. Latest release: 9.12.4, published 27 Mar 2026.
What happens when Glasgow Haskell Compiler (GHC) 9.12 reaches end of life?
Security fixes stop. After — this branch receives no further updates under standard support.
How long do I have to upgrade from Glasgow Haskell Compiler (GHC) 9.12?
No end-of-life date has been announced yet.