v19

• Compatibility with OCaml 5.0

• Add String.{hash, seeded_hash}

• Restore compatibility with OCaml 3.07, and fix order execution for
  Set and Map.{iter, fold, filter_map} on OCaml 3.07

• Updated port to dune
  (Marek Kubica, #16,
  #19
  with contribution from Kate,
  #21)

• Add support for flambda2
  (Guillaume Bury, #14)

• Prevent replacing /dev/null/ by a regular file when ./configure is
  run as root
  (reported by Marc Chevalier, ocaml/ocaml#11302)

v18

• Support for OCaml 4.14 with

  • Lot of new functions in Seq
  • Uchar.utf_decode and co
  • In_channel and Out_channel` modules
  • Sys.{development_version, ocaml_release}

• Add Stdlib.{acosh,asinh,atanh} missing from 4.13 and Stdlib.__FUNCTION__ missing from 4.12

• Add module Unit missing from 4.08

• Add module Random, with new functions introduced from 4.13

• Filename.chop_suffix checks that suffixes match and fails otherwise
  (behavior introduced in 4.14)

• Buffer.add_channel adds data read from the channel even if End_of_file has been reached
  (behavior introduced in 4.03)

• Add dependency for generating .cmt files
  (reported by Sabyrzhan Tasbolatov)

v17

• Fix: missing prototype for caml_alloc_initialized_string in stdcompat.h

• Fix: linking with stdcompat__stubs in bytecode

v16

• Support for OCaml 4.13.0 with

  • Seq.{concat, concat_map}
  • {Int{32, 64}, Nativeint}.{min, max}
  • Array.{fold_left_map, find_opt, find_map, split, combine}
  • Bytes.{fold_left, fold_right, for_all, exists, starts_with, ends_with,
    split_on_char}
  • String.{fold_left, fold_right, for_all, exists, starts_with, ends_with,
    get_{u,}int8, get_{{u,}int16,int32,int64}{_ne,_be,_le}}
  • Format.{pp_print_either, pp_print_bytes, print_bytes}

• Add module Atomic

• Fix {Array,Bytes,List,More,String}Labels modules

• Fix: equality between Stdcompat.Lexing.lexbuf and Lexing.lexbuf types
  even for OCaml <4.02 (the equality was not preserved since the type of
  lex_buffer was syntactically different, string instead of bytes)

Release 15

• Support for OCaml 4.12.0 with

  • Sys.{mkdir, rmdir}
  • {Set,Map}.to_rev_seq
  • Either module
  • List.{partition_map, compare, equal}
  • Hashtbl.rebuild
  • Format.pp_print_seq

• VERSION file was missing in distributed archive

Release 14

• Support for OCaml 4.11.0 with

  • Array.{for_all2, exists2}
  • Lexing.{set_position, set_filename}
  • List.{filteri, fold_left_map}
  • Printexc.{default_uncaught_exception_handler, Slot.name}
  • Seq.{cons, append, unfold}
  • {Set,Map}.filter_map
  • Printf.{ibprintf, ikbprintf}

• More efficient implementation of Set functions

• Support for version mismatch between ocamlc and ocamlfind packages

Version 13

• Add: stdcompat.h, provides prototype for caml_alloc_initialized_string for OCaml <4.06.0 (already defined in a C library linked with stdcompat.{cma,cmxa}).

• Fix: module Format was not exported

• Fix: remove reference to suppressed module Sort

• Fix: reference to the native plugin (.cmxs) in META

Release version 12

• Support for OCaml 4.10.0

• Support for Windows

• Added Bytes.unsafe_blit_string, Filename.quote_command, List.concat_map, List.find_map, Sys.Immediate64

• Equality Lexing.lexbuf = Stdcompat.Lexing.lexbuf is available even for OCaml <4.02.0 (before the introduction of bytes)

Release version 11

• caml_alloc_initialized_string is now available for OCaml 4.05.0

• Added Printexc.to_string_default and Printexc.use_printers

Release version 10

• New C stub with definition of caml_alloc_initialized_string for OCaml <4.05.0

• Fix: Printexc is no longer opaque

• Generate -bin-annot .cmt files for OCaml >=4.00.0