Hello, I've been a happy XMonad user for years, and it is both one of the most useful and most stable pieces of software in my personal configuration. After an upgrade to my NixOS/home-manager configuration, XMonad fails to recompile with the following error message: ---------------------------------------------------------------------- xmonad --recompile XMonad will use ghc to recompile, because neither "/home/jacg/.xmonad/build" nor "/home/jacg/.xmonad/stack.yaml" exists. XMonad recompiling (forced). Errors detected while compiling xmonad config: /home/jacg/.xmonad/xmonad.hs $ /nix/store/g4bjasmlq3v3dxryd02abpkr4mg7y1d5-ghc-9.0.2-with-packages/bin/ghc --make xmonad.hs -i -ilib -fforce-recomp -main-is main -v0 -outputdir /home/jacg/.xmonad/build-x86_64-linux -o /home/jacg/.xmonad/xmonad-x86_64-linux xmonad.hs:84:34: error: Module ‘XMonad.Hooks.DynamicLog’ does not export ‘defaultPP’ | 84 | import XMonad.Hooks.DynamicLog ( defaultPP | ^^^^^^^^^ xmonad.hs:133:37: error: Module ‘XMonad.Prompt’ does not export ‘defaultXPConfig’ | 133 | import XMonad.Prompt (autoComplete, defaultXPConfig) | ^^^^^^^^^^^^^^^ Please check the file for errors. ---------------------------------------------------------------------- Its exceptional stability has made me not have to configure or think about XMonad for aeons: it's simply an extension of my fingers. Consequently this error is leaving me completely stumped. Can you give me any hints on how to resolve this problem?