ghc 8.8.3 cannot find cabal 3.0.0.0 packages

from blog Jonas Hietala, | ↗ original
I’ve been using cabal to manage my Haskell dependencies for years, but when I last updated my system it suddenly stopped working. I installed my dependencies with cabal install xmonad, and checked that it’s installed under ~/.cabal: $ ls .cabal/bin/ xmonad@ But still when I go to compile my xmonad config file ghc says it cannot find it: Could not...