Various things are broken as a result of the upgrade to 6.8.3 in
rawhide. I haven't backported 6.8.3 to F-9 yet, so it's not affected.
The problems I know of all have Bugzilla reports.
ghc-doc is missing Haddock docs.
haddock 2.0 doesn't work with 6.8.3, and can't be rebuild against it.
gtk2hs doesn't rebuild against 6.8.3.
I'm going to try to sort out the ghc-doc problem today. Tomorrow I go
on vacation until the 13th, so I won't be fixing anything then :-)