What Haskell users are actively maintaining or deving software using ghc <8

[Helmut Schmidt]

It's nice to verify that my code still works with GHC 7.0 which to my
knowledge is the GHC version most compliant to the published Haskell 2010
Report. But I realize that nowadays making do with plain Haskell 2010 and
without all those   GHC extensions may not be a popular opinion though.

Am Mi., 27. Mai 2020 um 14:50 Uhr schrieb Carter Schonwald <
carter.schonwald at gmail.com>:

> Hey all,
> What are the oldest ghc versions folks are actually using to build
> software they actually use ? What are the contexts for these ?
>
> I know a lot of library maintainers, myself included try to make it easy
> to suport as wide a version range of ghc as possible.  In my case I find it
> useful to just have another way to evaluate how stable I can make a
> library.
>
> That said, what actual old ghc versions are folks actually using?
>
> Afaict, the oldest ghc currently in a lts linux distro is ghc 7.0 in
> centos 6
>
> Then centos 7 and the oldest Ubuntu lts are 7.6, then more recent distros
> plus most other os platforms like the bsds are on 8.0-8.4 as the oldest
> supported / provided ghc.
>
> Who are the users today and how important are they for todays library
> maintainers ?
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