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CHANGELOG.md

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unreleased

3.9.0

  • Expose Deriving.t values to allow definition of external Deriving aliases (#159) @NathanReb

3.8.0

  • Port deriver to ppxlib (#149) Simmo Saan

3.7.0

  • Use ounit2 instead of ounit for the tests (#144) Marek Kubica
  • Update to ppxlib >= 0.26.0 (#142, #146) Sonja Heinze, Antonio Nuno Monteiro
  • Sanitize the ppx output to be able to use module names shadowing the modules from the standard library (#140) Simmo Saan
  • Reimplement map_bind to avoid stack overflows on js-of-ocaml (#138) P. Baudin
  • Add ppxlib as a direct dependency for ppx_deriving_yojson (#136) Hongchang Wu

3.6.1

  • Update to ppxlib >= 0.14.0 (#127) Kate Deplaix

3.6.0

  • Update to ppx_deriving 5.0 and ppxlib (#121) Rudi Grinberg, Thierry Martinez, Kate Deplaix and Gabriel Scherer

  • Fix issues when the equality operator (=) is shadowed (#126, #128, #131, fixes #79) Martin Slota, Kate Deplaix

3.5.3

  • Support for OCaml 4.11 (requires feature from ppx_deriving.4.5) (#122) Thierry Martinez
  • Documentation improvements (#115) Olivier Andrieu

3.5.2

  • [@to_yojson], [@from_yojson] to override serialization functions for certain record fields (#107, #108) Chas Emerick
  • Support for OCaml 4.10 (#112) Kate Deplaix

3.5.1

  • Two bugfixes when using [%to_json ], [%of_json ] extensions (error with polymorphic variables, unbound value 'safe_map') (#100, #101) Gabriel Scherer, report by Matt Windsor

3.5

  • use tail-recursive functions to (de)serialize long lists (#97) Alex Knauth
  • Support for OCaml 4.08 (#99) Antonio Nuno Monteiro

3.4

  • compatibility with yojson 1.6.0 (#90, #92) Vadim Radovel and Nathan Rebours

3.3

  • Make _exn functions opt-in ([@@deriving yojson { exn = true }]) to preserve backward-compatibility for fully-manual implementations of the [@@deriving yojson] interface. (#86) Gabriel Scherer

3.2

  • Add let _ = to_yojson / of_yojson to generated code to avoid warnings when they aren't used (#68) Steve Bleazard
  • Fix bug where doing [@@deriving of_yojson] causes an unused rec warning (#68) Steve Bleazard
  • Add generated ty_of_yojson_exn to raise an exception rather than return an error (#57, #68) Steve Bleazard
  • Port ppx_deriving_yojson to dune (#69, #85) Rudi Grinberg, Antonio Nuno Monteiro
  • Added deriver option fields to generate a Yojson_meta module containing all JSON key names. (#70) Steve Bleazard
  • Remove cppo that included support for versions no longer supported by ppx_deriving_yojson (#75) Rudi Grinberg

3.1

  • Fix ppx_deriving_yojson.runtime META file (#47) Étienne Millon
  • Support for inline records in variant types (#50) Gerd Stolpmann
  • OCaml 4.06 compatibility (#64, #66) Leonid Rozenberg, Gabriel Scherer

3.0

  • Use Result.result in generated code.
  • Compatibility with statically linked ppx drivers.
  • OCaml 4.03 compatibility.

2.3

  • Adapt to syntactic changes in 4.02.2.
  • Improve compatibility with libraries that shadow modules from standard library, such as Core.
  • Allow deserializing float values that appear as integer literals in the input JSON.
  • Suppress some warnings.

2.2

  • Add support for open types.

2.1

  • Handle inheriting from a parametric polymorphic variant type.
  • Don't leak type variables.

2.0

  • Update to accomodate syntactic changes in deriving 1.0.
  • Common helper functions have been extracted into ppx_deriving_yojson.runtime, reducing code size.
  • Add support for [@@deriving to_yojson, of_yojson] and [%to_yojson:], [%of_yojson:] shortcuts.
  • Add support for [@@deriving yojson { strict = false }].

1.1

  • Add [@key], [@name] and [@default] attributes.
  • Add support for Yojson.Safe.json values.

1.0

  • Initial release.