5.1.0 (2024-11-04)

• Made Postgresql.null a now unique, empty string.
• Fixed license format and a typo.
• Fixed some odoc references.
• Added GitHub workflows.
• Added automatic formatting with ocamlformat and clang-format.

• Ported the config discovery script to pkg-config

  Thanks to Antonio Nuno Monteiro for the patch.

• Improved Dune rules.
• Used new OCaml 4.12 C-macros.
• Switched to Dune lang 2.7.

5.0.0 (2021-02-12)

• Added support for parameter types to exec, prepare, send_query, and send_prepare.

  Thanks to Petter A. Urkedal for the patch.

4.6.3 (2020-08-15)

• Removed incorrect [@@noalloc] from is_busy external call.

  Thanks to Dmitry Astapov for this patch.

4.6.2 (2020-08-04)

• Removed base and stdio build dependencies.

4.6.1 (2020-07-29)

• Fixed a bug in request_cancel that turned errors into success and success into an error. Thanks to Dmitry Astapov for this patch.
• Added support for const char strings in stubs due to stricter handling in newer OCaml runtimes. This eliminates C-compiler warnings.

4.6.0 (2020-05-22)

• Fixed missing runtime release during calls to PQisBusy.

• Added a temporary workaround for dealing with notice processing and asynchronous operations.

  Thanks to Petter A. Urkedal for the patch.

4.5.2 (2019-10-28)

• Switched from caml_alloc_custom to caml_alloc_custom_mem.

  This should improve memory usage and GC performance.

• Switched to OPAM file generation via dune-project

4.5.1 (2019-10-11)

• Fixed warnings in C-stubs
• Support detection of release candidate version numbers

4.5.0 (2019-06-06)

• Added support for put_copy_data, put_copy_end, and get_copy_data

Thanks to Petter A. Urkedal for the patch.

4.4.2 (2019-03-28)

• Fixed documentation formatting warnings
• Fixed OpenSUSE depexts

4.4.1 (2018-10-25)

• Switched to dune, dune-release, and OPAM 2.0

4.4.0 (2018-07-08)

• Added support for executing queries with binary results.

  Thanks to Paul Biggar for the patch.

4.3.0 (2017-12-30)

• Added error handling functions for extracting more error details.

  Thanks to Sean Grove for the patches.

4.2.1 (2017-11-22)

• Improved finalization of result values for better performance.

4.2.0 (2017-10-10)

• Fixed bigarray library dependencies. No need for the user to explicitly link with bigarray when using certain functions anymore.
• Used untagged integer representations in external calls for improved efficiency.

4.1.0 (2017-08-02)

• Switched to jbuilder and topkg