1.40.2

• Supports standard version 21.1.0
  • The interpreter now supports customizing headers using a headers.dhall
    configuration file
  • Generalize grammar for certain annotations
  • Add support for a trailing line comment without a newline
• BUG FIX: dhall repl no longer ignores type annotations on :let commands
  • Before this fix, :let x : T = 3 would ignore the : T type annotation
• BUG FIX: Don't accept a bar after an empty union
  • Before this fix, the interpreter would accept something like <>|, which
    is not valid according to the standard grammar
• New FromDhall/ToDhall instances for Day/TimeOfDay/TimeZone #2294 #2300
  • These types correspond to the recent temporal literals added to the
    language
• New subExpressionsWith Traversal
• Add Template Haskell support for modifying field names in generated Haskell
  types
  • This adds a new makeHaskellTypesWith utility with takes a
    GenerateOptions function argument for customizing the code-generation
    logic
  • This comes in handy when Dhall fields have names are reserved keywords in
    Haskell code. You can now transform the Haskell field names to avoid
    collisions
• Support GHC 9.2
• Fixes and improvements to documentation
  • #2290
• Fixes and improvements to error messages
  • #2303