BSD3 licensed and maintained by Oleg Grenrus

Module documentation for


Build Status Hackage Stackage LTS 3 Stackage Nightly

The package provides compatibility layer for aeson



  • Use attoparsec-iso8601 time parsers.
  • Don't export GToJSON etc. members.


  • Fix accidental removal of AesonException export

  • Support QuickCheck-2.9.1

  • Fix (.=) export regression introduced by

  • Use explicit export list. Now we are sure we don't break interface.
  • value, value' and Parser are exported from Data.Aeson.Compat

  • Add NominalDiffTime instances

  • Enable PolyKinds to generalize Proxy, Tagged, and Const instances.

  • Introduce instances from aeson- Const, Tagged, Proxy and NonEmpty
  • Fix bug with Natural instance, aeson- and base <=4.7

  • aeson-0.11 support
  • GHC 8.0.1 support
  • Add ToJSON Day and LocalTime instances - NOTE this instances are broken in aeson-
  • Add Natural, Ordering and Version instances

Split out aeson-extra

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