Stack has not been tested with GHC versions above 8.6, and using 8.8.3, this may fail
Stack has not been tested with Cabal versions above 2.4, but version 3.0.1.0 was found, this may fail

xmonad.hs:205:109: warning: [-Wdeprecations]
    In the use of ‘defaultConfig’
    (imported from XMonad, but defined in XMonad.Config):
    Deprecated: "Use def (from Data.Default, and re-exported by XMonad and XMonad.Config) instead."
    |
205 |     , manageHook  = manageDocks <+> myManageHook <+> (namedScratchpadManageHook scratchpads) <+> manageHook defaultConfig
    |                                                                                                             ^^^^^^^^^^^^^