List of feature requests to GHC to make Stan handle more cases:

• HIE backwards compatibility
  • Corresponding Stan issue (where this is needed): #178
  • GHC issue: #18329
• Track difference between let ... in and where
  • Corresponding Stan issue (where this is needed): #175
  • GHC issue:
• Track difference between data and newtype
  • Corresponding Stan issue (where this is needed): #171
  • GHC issue:
• Improve GHC version
  • Corresponding Stan issue (where this is needed): #329
  • GHC issue: #18403
• Keep track of specific functions producing TH splices
  • Corresponding Stan issue (where this is needed): #356
  • GHC issue: