backported

synopsis: Backported to 3.2
packages: Cabal-internal
prs:
  -- solver
  #5918 #6447
  -- buildinfo generator
  #6258
  -- bump version
  #6426
  -- cabal install -z
  #6428
  -- incomplete-uni-patterns
  #6433
  -- packages/optional packages empty
  #6436
  -- file+noindex
  #6448
  -- documentation
  #6450 #6464 #6473 #6546
  -- bounds
  #6455
  -- safe functions
  #6456
  -- Improve few internalErrors in InstallPlan
  #6439
  -- v2-run -z
  #6457
  -- test fixes
  #6463 #6499 #6518
  -- CI
  #6469
  -- show full abi hash
  #6498 #6496 #6476
  -- Create distTempDirectory in withTempEnvFile
  #6501
  -- cabal_macros.h zinza
  -- TODO: check whether it made to 3.2
  -- issue: #6533
  #6502 #6535
  -- disallow spaces around : in dependency
  #6538
  -- pkg-config
  #6540 #6541