I think many of those special options will eventually become defaults once the Haskell 2020 standard comes out, which was started last year: https://mail.haskel

I think many of those special options will eventually become defaults once the Haskell 2020 standard comes out, which was started last year: https://mail.haskell.org/pipermail/haskell-prime/2016-April/004050.html https://mail.haskell.org/pipermail/haskell-prime/2016-April/... You can follow along here: https://github.com/haskell/rfcs/pulls?q=is%3Aopen+is%3Apr https://github.com/haskell/rfcs/pulls?q=is%3Aopen+is%3Apr GHC is definitely the only widely used compiler, but there is at least one other significant one I know of: https://github.com/IntelLabs/flrc https://github.com/IntelLabs/flrc