Add ability to specify JSON/OCaml adapter with the arbitrary code using <json adapter.to_ocaml="..." adapter.from_ocaml="..."> (#184).
atdcat: add option -jsonschema-no-additional-properties for JSON Schema output to specify that JSON objects may not have extra properties (#293, #294).
atdcat: add title field to JSON Schema output containing the name of root type (#294).
atdcat: add command-line option to choose the version of JSON Schema to target. Options are the latest version "Draft 2020-12" and the previous version "Draft 2019-09" (#294).
ATD language: the abstract built-in can now be used like any other type to hold untyped data, if the implementation supports it. The supported targets so far are OCaml/JSON (atdgen), Python (atdpy), TypeScript (atdts), JSON Schema (atdcat) (#295).
2.6.0 (2022-05-03)
atdcat: add option -jsonschema to translate from ATD to JSON Schema (#284)
2.5.0 (2022-04-23)
atdpy: make atdpy --version print the version of atdpy itself rather than the version of the atd library (#270)
atdpy: fix handling of nullable and improve error message on option types used without optional fields (#277)
Add TypeScript backend called atdts (#274)
2.4.1 (2022-03-25)
atdpy: don't apply the @dataclass decorator twice if explicitly added by the user via an ATD annotation such as <python decorator="dataclass(frozen=True)"> (#267)
2.4.0 (2022-03-24)
atdpy: allow custom imports and class decorators to be added to the generated Python code.
2.3.3 (2022-03-16)
Prevent incorrect validation errors for annotations of the form <ocaml field_prefix=...> and a few others (#258)
2.3.2 (2022-03-11)
Fix package dependencies (#257)
2.3.1 (2022-03-10)
Ensure that atdgen reports its own version rather than the version of the atd library.
Fix version constraint on cmdliner.
2.3.0 (2022-03-10)
Allow single-quoted strings as an alternative to double-quoted strings in ATD files (#239)
Add Python backend called atdpy (#235)
Add detection of misplaced annotations and misspelled annotation field names for atdgen targets and atdpy (#204, #227)
atdpy: Downcase Python output files (#251)
atdpy: Disable flake8 checks on generated code via a special comment (#252)
atdgen: Add support for ppx attributes on individual type definitions (#238)
(BREAKING) atdgen: change encoding of int64 values to string (#231)
other enhancement and fixes (see git log)
2.2.0 (2020-09-03)
Add support for merging double annotations (<ocaml from="ProtoA"><ocaml predef>)
Add tests for annotation merging and target-specific annotations
2.1.0 (2019-12-3)
Fix bug preventing generated code from compiling when using json adapters on recursive types.
Improve automatic error messages shown in case of failed validation. Now include the validator's name or code.
Add support for json adapters in the bucklescript backend. (#153)
2.0.0 (2018-05-31)
Add support for json adapters in OCaml (<json adapter.ocaml=...>)
Add support for json enums with a catch-all case (<json open_enum>)
Remove <json tag_field=...> and <json untyped>
1.13.0 (2018-03-27)
Introduce atdgen-runtime package. This package contains the runtime dependency introduced by the atdgen code generator. The old runtime library is deprecated
Add atdj to set of released packages. atdj is a java code generator for .atd files.
Improve generated code to emit ppx attributes to ignore harmless warnings
Ag_version submodule has been replaced with Version.
Transition atd aliases using the (wrapped true) mode of jbuilder. This is a breaking change for all of those who use atd the library. All modules are now accessible under the Atd. entry module.