I switched from Python and Go to Haskell over the last year. Haskell takes much longer to compile than Go and cabal hell can really suck. Other than that it's been absolutely fantastic.
> cabal hell can really suck
Agreed, prepare to be happy:
https://www.fpcomplete.com/blog/2015/01/announcing-lts-haske...
> Haskell takes much longer to compile than Go
Also agree, however -O0 in your .cabal file's ghc-options (when -fdevelopment is true) and using -j${NUM_CPU_CORES} can really help.
https://www.fpcomplete.com/blog/2015/01/announcing-lts-haske... http://www.stackage.org/
I'm not sure exactly what its current status is in terms of production-readiness but I believe it is still very active. The GitHub repos seem to be chugging along.
https://ocharles.org.uk/blog/guest-posts/2014-12-23-static-p...