Highlight

• Hierarchical documentation (@jonludlam, @panglesd, @Julow). Pages can now be organized in a directory tree structure. Relative and absolute references are added: {!./other_page.label}, {!//other_page}.
• Improved sidebar and breadcrumbs navigation (@panglesd, @gpetiot). The documentation pages and the libraries of the entire package are shown on the left sidebar.
• Added support for images, videos, audio and other assets. The syntax is {image!/reference/to/asset} or {image:URL} for images. The syntax for {video...} and {audio...} is the same. (@panglesd, @EmileTrotignon, #1170, #1171, #1184, #1185)
• Search using Sherlodoc (@panglesd, @EmileTrotignon, @Julow). A new search bar that supports full-text and type-based search.

Added

• Experimental driver (@jonludlam, @panglesd) The driver builds the documentation for a collection of Opam packages using the newer Odoc features. It supports linking external packages to ocaml.org and markdown files. This is experimental and will break in the future.
• Cross-package references (@panglesd, @Julow) Pages and modules from other packages can be referenced: {!/otherpackage/page}, {!/otherpackage/Module.t}.
• Option to remap links to other packages to ocaml.org or other site. See the --remap option of the driver or the --remap-file option of odoc html-generate. (@jonludlam, #1189, #1248)
• Option to compute occurrences of use of each identifiers The commands aggregate-occurrences and count-occurrences are added. (@panglesd, #976, #1076, #1206)
• Added an extract-code subcommand to extract code blocks from mld/mli files (@panglesd, #1326)
• Added the odoc classify command (@jonludlam, #1121) Helps driver detecting which modules belong to which libraries.
• Added --warnings-tag options to the CLI to silence warnings from a unit, even if they end up being raised in another unit through expansion (@jonludlam, #1260)
• Add clock emoji before @since tag (@yawaramin, #1089)
• Navigation for the search bar : use '/' to enter search, up and down arrows to select a result, and enter to follow the selected link. (@EmileTrotignon, #1088)
• Fix a big gap between the preamble and the content of a page (@EmileTrotignon, #1147)
• Add a marshalled search index consumable by sherlodoc (@EmileTrotignon, @panglesd, #1084)
• Allow referencing of polymorphic constructors in polymorphic variant type aliases (@panglesd, #1115)
• Added a home icon in the breacrumbs (@panglesd, #1251) It can be disabled with a CLI option.
• Add a frontmatter syntax for mld pages (@panglesd, #1187, #1193, #1243, #1246, #1251) Allows to specify the title of a page, the order of sub-pages and other behaviors in the sidebar.
• Added odoc-md to process standalone Markdown pages (@jonludlam, #1234)
• Added CSS selectors to style version and and nav links when they appear within page titles, as produced by odig (@katrinafyi, #1290)
• Added support for (local) images in the latex backend (@Octachron, #1297)

Changed

• The command line interface changed to support the new features.

  • Packages and libraries: odoc link must now be aware of packages and libraries with the -L libname:path and -P pkgname:path options. The module search path should still be passed with the -I option. The current package should be specified with --current-package=pkgname.
  • Hierarchy: odoc compile now outputs .odoc in the directory tree specified with --output-dir=DIR and the parent identifier must be specified with --parent-id=PARENT. The option --source-parent-file is removed.
  • Source code: Implementations are compiled with compile-impl instead of with compile. The options --cmt=.. and --source-name=.. are removed. Source code pages are generated with html-generate-source.
  • Assets: The commands compile-asset, html-generate-asset are added. The option html-generate --asset is removed.
  • Sidebar: The index is built using compile-index. The sidebar data is extracted from the index with sidebar-generate and passed to html-generate --sidebar=...
• The syntax for @tag is now delimited (@panglesd, #1239) A @tag can now be followed by a paragraph or other elements.
• Updated colors for code fragments (@EmileTrotignon, #1023)
• Fixed complexity of looking up .odoc files (@panglesd, #1075)
• Normalize whitespaces in codespans (@gpetiot, #1085) A newline followed by any whitespaces is normalized as one space character.
• Reduce size of Odoc_html_frontend when compiled to javascript (@EmileTrotignon, #1072)
• Overhaul of module-type-of expansions and shadowing code (@jonludlam, #1081)
• Output file paths and labels in the man and latex backends changed to avoid name clashes (@Julow, #1191)
• Added a header field to the json output (@panglesd, #1314)
• Changed indentation rules for code block and verbatim content (@panglesd, #1317)
• odoc-parser: Store raw content in verbatim and code block, and expose a function to process it (@panglesd, #1325)

Fixed

• Fix variant constructors being hidden if they contain hidden types (@jonludlam, #1105)
• Fix rare assertion failure due to optional parameters (@jonludlam, #1272, issue #1001)
• Fix resolution of module synopses in {!modules} lists that require --open (@jonludlam, #1104}
• Fix top comment not being taken from includes often enough (@panglesd, #1117)
• Fixed 404 links from search results (@panglesd, #1108)
• Fixed title content not being picked up across pages when rendering references (#1116, @panglesd)
• Fix wrong links to standalone comments in search results (#1118, @panglesd)
• Remove duplicated or unwanted comments with inline includes (@Julow, #1133)
• Fix bug where source rendering would cause odoc to fail completely if it encounters invalid syntax (@jonludlam #1208)
• Add missing parentheses in 'val (let*) : ...' (@Julow, #1268)
• Fix syntax highlighting not working for very large files (@jonludlam, @Julow, #1277)
• Fix backtrace on invalid input in compile-deps (@jonludlam, #1313)
• Fix bug in our CSS hitting verbatim blocks in tags (@jonludlam, #1312)
• Fix issue #610 where odoc html-fragment wasn't rendering headings correctly (@jonludlam, #1306)

2.4.4

Added

• OCaml 5.3.0 compatibility (@Julow, #1202, #1222, #1254)

2.4.3

Fixed

• Fix missing katex headers (@panglesd, #1096)
• Allow ][ in code blocks, fixing issue #1137 (@Julow, #1149) This was interpreted as "code blocks with result", which now mandates a delimiter: {delim@lang[ code ]delim[ result ]}
• Fix misprinting of type variables from ml files for OCaml 4.14 and later (multiple occurences of the same type variable could be named differently) (@octachron, #1173)

2.4.2

Added

• OCaml 5.2.0 compatibility (@Octachron, #1094, #1112)

Fixed

• Fix issues #1066 and #1095 with extended opens (@jonludlam, #1082, #1100)

2.4.1

Fixed

• Revert to outputing a file (without content) when rendering a hidden compilation unit. This fixes cases where the dune rules would fail. (@panglesd, #1069)

2.4.0

Added

• Add support for external search engines (@panglesd, @EmileTrotignon, #972) This includes the generation of an index and the display of the results in the UI (HTML only).
• Display 'private' keyword for private type extensions (@gpetiot, #1019)
• Allow to omit parent type in constructor reference (@panglesd, @EmileTrotignon, #933)

Fixed

• Warn and exit when table(s) is not closed (@lubegasimon, #1050)
• Hint when list(s) is not closed (@lubegasimon, #1050)
• Fix crash on functors returning an alias (@Julow, #1046)
• Fix rendering of polymorphic variants (@wikku, @panglesd, #971)
• Add references to extension declarations (@gpetiot, @panglesd, #949)

Changed

• Style: Adjusted line height in the TOC to improve readability (@sorawee, #1045)
• Style: Remove font fallback to Helvetica, Arial (@Julow, #1028)
• Style: Preformatted elements fallback to UA monospace (@toastal, #967)
• Style: Sidebar is now stuck to the left of the content instead of the left of the viewport (@EmileTrotignon, #999)

2.3.1

• Fix 5.1 support (@tmcgilchrist, #1018)

2.3.0

Added

• Source code rendering (@Julow, @panglesd, @jonludlam #909, #996, #993, #982)
• Handle tables markup (@panglesd, @gpetiot, #893)
• Initial support for assets (@trefis, #975)
• odoc-parser remerged (@jonludlam, #973) This includes table support (@gpetiot, @panglesd, ocaml-doc/odoc-parser#11 ocaml-doc/odoc-parser#14) and delimited code blocks with optional output (@jonludlam, ocaml-doc/odoc-parser#17)
• Add a tooltip to references with text (@Julow, #945)
• Add emoji to alerts in CSS (@yawaramin, #928)
• Add common language in shipped highlightjs (@Julow, #953)

Fixed

• Fix --hidden not always taken into account (@panglesd, #940)
• Syntax highlight labels in function arguments (@panglesd, #990)
• Ensure generated html ends with a newline (@3Rafal, #954)
• Warn against tags in pages (@Julow, #948)
• Remove unhelpful 'Unresolved_apply' errors (@gpetiot, #946)
• Allow links and references in headings (@EmileTrotignon, @panglesd, #942)
• Fix rendering of method types (@zoggy, #935)
• Fix section labelling with submodules (@EmileTrotignon, @panglesd, #931)
• LaTeX backend fixes (@Octachron, #921 #920)
• html: Remove extra space in class declarations (@Julow, #936)
• Fix rendering of unresolved references (@Julow, #957)

2.2.1

Added

• OCaml 5.1.0 compatibility (@Octachron, #956)

2.2.0

Added

• New unstable option --as-json for the HTML renderer that emits HTML fragments (preamble, content) together with metadata (table of contents, breadcrumbs, whether katex is used) in JSON format. (@sabine, #908)
• New maths support via {m ... } and {math ... } tags. (@giltho, @gpetiot, #886)
• Various optimisations (@jonludlam, #870, #883)
• Better handling of alerts and deprecation notices. (@panglesd, #828)
• Handle language tags on code blocks (@julow, #848)

Fixed

• Shadowing issues (@jonludlam, #853)
• Layout fixes and improvements (@panglesd, #832, #839, #847)
• Handle comments on class constraints and inherit (@julow, #844)
• Disable the missing root warning (@jonludlam, #881)

2.1.0

Added

• New subcommand to resolve references (@panglesd, @lubegasimon, #812)
• Improved rendering of long signatures (@panglesd, #782)
• Handle comments attached to open statement as floating comment, instead of dropping them (@panglesd, #797)
• Empty includes (containing entirely shadowed entries) are now hidden (@panglesd, #798)

Fixed

• Fix a missing Result constructor during compile. This will cause some functor arguments to have different filenames (@jonludlam, #795)
• Better memory/disk space usage when handling module alias chains (@jonludlam, #799)
• Resolving class-type paths (ie., val x : #c) (@jonludlam, #809)
• Skip top-level attributes while extracting the top comment. Fix top-comment extraction with PPX preprocessing (@jorisgio, #819)
• Better handling of @canonical tags (@jonludlam, #820)
• css: improved layout (@jonludlam, @Julow, #822)

2.0.2

Added

• Compatibility with OCaml 4.14 (@patricoferris, @kit-ty-kate, #788)

2.0.1

Fixed

• Man page renderer fails to output pages that have children (@jonludlam, @Julow, #766)
• Fix resolution of unprefixed references to pages (@Julow, #755)
• Fix reporting of ambiguous labels (@Julow, @jonludlam, #773, #781)
• Allow referencing of labels in the top comment (@jonludlam, #771)

Added

• Strip unquoted spaces in identifiers for a more flexible reference syntax (@lubegasimon, @panglesd, #783)
• Add context to messages raised in expansions of includes (@Julow, #780)

2.0.0

Changed

• Remove odoc-parser into a separate repository (@jonludlam, #700)

Added

• OCaml 4.13 support (@octachron, #687, #689)
• Better errors/warnings (@Julow, #692, #717, #720, #732)
• ModuleType 'Alias' support (@jonludlam, #703)
• Improved test suite (@lubegasimon, #697)
• Improved documentation (@lubegasimon, @jonludlam, #702, #733)
• Strengthen module types (@jonludlam, #731)

Fixed

• uwt now can be documented (@jonludlam, #708)
• Fix resolution involving deeply nested substitutions (@jonludlam, #727)
• Fix off-by-one error in error reporting (@asavahista, #736)

2.0.0~beta4

Added

• Handle @canonical tags in the top-comment of modules (@Julow, #662)
• Simplify paths referring to Stdlib (@jonludlam, #677)
• New odoc command to report warnings encountered during compilation/linking (@Julow, #667)
• Anchors on type extensions (@Julow, #684)

Fixed

• Resolve references in module synopses (@Julow, #658)
• Fix reference resolution in the presence of shadowing (@Julow, #682)

2.0.0~beta3

Changed

• Refactor the comment parser in preparation for it to be octavius 2 (@jonludlam, #621)

Added

• Better HTML rendering (@dbuenzli, #607, #612, #615)
• Better handling of signature comments (@Julow, #627, #629, #640, #643, #647, #654)
• Centre, left and right alignment constructs now parse correctly (@lubegasimon, #624)
• Allow reference to pages that contain hyphens and dots (@lubegasimon, #622)
• Allow type definitions to be copied and pasted with correct syntax (@Drup, #626)
• Install Ocamlary as a library for testing (@dbuenzli, #639)
• Handle @canonical tags on compilation units (@Julow, #649)
• Alias more when strengthening (@jonludlam, #653)
• Light theme fixes (@xvw, #660)

Fixed

• LaTeX: Hardened description environments (@Octachron, #608)

2.0.0~beta2

Added

• Add the ability to specifiy canonical paths for types and module types (@jonludlam, #596)
• Several improvements to the HTML tree (@dbuenzli, #600, #605, #589, @Drup, #579)
• Render module synopses in {!modules:...} (@Julow, #597)

Fixed

• Fix for resolving references in mld files (@jonludlam, #611)
• Fix placement of documentation in module aliases (@Julow, #606)
• Fix breakage involving includes and shadowing (@jonludlam, #603)
• Don't link to hidden items (@lubegasimon, #583)
• Don't remove docs of inlined includes (@Julow, #595)
• Don't render shadowed values (@lubegasimon, #580)
• Fix unresolved references in the first comment of a file (@Julow, #592)

2.0.0~beta1

Added

• New model for expanding and cross referencing (@jonludlam, @Julow, @lubegasimon)
• New document output layer, supporting HTML, LaTeX and man page output (@Drup, @Octachron, @jonludlam, @Julow, @lubegasimon)
• Experimental parent/child support for structured output (@jonludlam)

1.5.1

Added

• Compatibility with OCaml 4.11 (#434, @kit-ty-kate)

1.5.0

Added

• Add option to turn warnings into errors (#398, Jules Aguillon)

Fixed

• Emit quote before identifier in alias type expr (Fixes #391, Anton Bachin)
• Handle generalized open statements introduced in 4.08 (#393, Jon Ludlam)
• Refactor error reporting to avoid exiting the program in library code (#400, Jules Aguillon)
• Build on OCaml 4.10 (#408, Jon Ludlam)

1.4.2

Fixed

• Build on OCaml 4.09 (#383, Anil Madhavapeddy).
• Handle OCaml 4.08 type and module substitutions (#381, Jon Ludlam).
• Parser: better trimming of leading whitespace in code blocks (#370, Jules Aguillon).
• Parser: allow references to operators containing : characters (#384, reported Sylvain Le Gall).
• HTML: emit <meta generator> again (#378, Daniel Bünzli).
• CLI: odoc html-targets was ignoring deeply nested modules (#379, Daniel Bünzli).
• Fix bad internal usage of List.iter2 (#376, Yotam Barnoy).

1.4.1

Fixed

• Messy formatting in large definitions due to lack of <span>s (#360, Thomas Refis).
• Missing table of contents on .mld pages (#361, Rizo Isrof).
• Missing space before polymorphic class names (#339, Kevin Ji).
• Module type definitions printed with : instead of = (#344, Geoff Reedy).
• Conjunctive types printed with * instead of & (#353, Florian Angeletti).
• Type extensions (+=) printed without CSS classes found in other items (#348, reported Stéphane Lavergne).
• High memory usage on large codebases (#361, Thomas Refis).
• Build: double underscores in internal filenames (#357, Thomas Refis).
• Development: test suite assumed that html5-tidy supports --mute (#345, Geoff Reedy).
• Internal: refactored AST (#351, #364, Jules Aguillon).

1.4.0

Changes

• All parsing errors are now recoverable warnings (#238).
• Page titles are now level-0 headings ({0 ...}), and top-level sections within a page are level-1 headings ({1 ...}) (#217, Rizo Isrof).
• Don't render definitions of externals (#275, Nik Graf).
• Disable programming ligatures (#248).
• Rename --root-uri option to --xref-base-uri (#223, Rizo Isrof).
• Deprecate redundant reference kind annotations (#246).

Added

• Preliminary compatibility with the current 4.08 beta releases (#309, Jon Ludlam).
• Paragraph headings ({4 ...}) and subparagraph headings ({5 ...}) (#217, Rizo Isrof).
• odoc support-files-targets command (#232).
• Recommend bsdoc for using odoc with BuckleScript (#269, Leandro Ostera).

Fixed

• Improve breadcrumbs on .mld pages (#293, Daniel Buenzli).
• Display tables of contents in nested module and class pages (#261, Rizo Isrof).
• Uncaught exception when parsing references to operators with - in them, such as @-> (#178).
• Incorrect parsing of references to operators with . in them, such as *. (#237).
• Assertion failure when processing optional arguments in an .ml file with a type annotation, when that type annotation uses an alias of 'a option (#101).
• Assertion failure when two modules with the same name are found by odoc (#148, Jon Ludlam).
• Verbatim blocks ({v ... v}) can now only be terminated if the v} is immediately preceded by whitespace (#71, reported Daniel Buenzli).
• Wrong column numbers for errors reported in comments (#227, #253).
• Restore parsing of ocamldoc-style reference kind annotations (#244).
• Ordinary type keyword instead of and rendered in HTML for mutually-recursive types (#105, reported @Fourchaux).
• nonrec keyword not rendered (#249).
• and not rendered for mutually-recursive modules, classes, and class types (#251).
• Outer comment attached to a module rendered when the module is included (#87, Jon Ludlam).
• Polymorphic variant constructor documentation not rendered (#176, reported @steinuil).
• Variant constructor and record field documentation styled differently (#260, Jon Ludlam).
• Sloppy keyword markup in HTML output (#319).
• Rendering of multiple constraint clauses (#321).
• Incorrect order of functor arguments (#261, Rizo Isrof).
• odoc html option -o now creates the output directory if it does not exist #171, #264 Rizo Isrof).
• odoc html-targets output now includes path prefix given through -o option (#173, Rizo Isrof).
• Allow -I and -o options to refer to non-existent directories (#32, #170, Daniel Buenzli).
• Make odoc compile-targets match odoc compile (#273, Daniel Buenzli).
• odoc compile-deps does not work on .cmt files (#162, Daniel Buenzli).
• odoc html-deps now scans for .odoc files recursively (#307, Daniel Buenzli).
• odoc html-targets ignores stop comments (#276, Daniel Buenzli).
• odoc html-targets and odoc html-deps segfault on .mld pages (#277, #282, Daneil Buenzli).
• --theme-uri option not propagated to some subpages (#318, Thomas Refis).
• Binary files not opened in binary mode (#281, Ulrik Strid).

Internal

• Always print backtraces for unhandled exceptions (3d10feb).
• CI on macOS (#216, Leandro Ostera).
• Test runner improvements (#266, Rizo Isrof).
• Fix esy builds in Travis (#301, Jon Ludlam).
• Don't require make in the esy build (#308, Leandro Ostera).
• Get rid of some large GADTs (#292, Jon Ludlam).
• Remove dependency on bos (#305, Daniel Buenzli).
• Remove dependency on rresult (#306, Daniel Buenzli).
• Remove dependency on bisect_ppx, previously present in development checkouts (#316).

1.3.0

Added

• Reason syntax output (#156, Patrick Stapfer).
• BuckleScript support (#179, Leandro Ostera).
• New CSS, appearance (#139, Rizo Isrof).
• Table of contents for the sections in each page (fe26392).
• Navigation breadcrumbs, and limit length of module paths in page titles (#150, Yotam Barnoy).
• Syntax highlighting of code blocks (99f2be9).
• Compiled odoc binary is now self-contained and requires no external files (bd3b53c).
• --theme-uri option (#154, Rizo Isrof).
• Option to convert .mld to HTML fragments rather than complete pages (#166, Rizo Isrof).

Fixed

• Use regular dashes in arrows to support ligature fonts (#180, Leandro Ostera).
• Do not excessively indent code blocks (#133, Bobby Priambodo).
• Always prepend page- to output file name when compiling .mld files (#183, Rizo Isrof).
• Support floatarray type introduced in OCaml 4.06 (eb36158, Thomas Refis).
• Support destructive type substitution (57cbb4e, Thomas Refis).
• Render <i> tags in italics (#104, Thibault Suzanne).
• Flush HTML output correctly (#167, Rizo Isrof).
• Make HTML output more valid (#185, Leandro Ostera).
• Various improvements to parsing, output, documentation, and the development workflow (Yotam Barnoy, Luke Czyszczonik, Mohamed Elsharnouby, Rudi Grinberg, Rizo Isrof, Leandro Ostera, Bobby Priambodo, Thomas Refis, Patrick Stapfer).

Internal

• odoc is now one repo.
• Dropped several dependencies.
• Considerable refactoring.
• New commnt parser (78a6699).
• Improved development workflow, including CONTRIBUTING.md, tests, coverage analysis, CI, and issue organization.
• Initial NPM packaging (Leandro Ostera, #214).
• Skeleton of odoc manual (Leandro Ostera, #203).

1.2.0

Added

• Support for standalone documentation pages (.mld files) (#61).
• Display [@@deprecated] attributes as the @deprecated tag (#57).
• Allow each component of OCaml paths to be disambiguated using the kind-identifer syntax (part of #61).
• Support OCaml 4.06.

Fixed

• Fix spurious leading blank lines in verbatim text (ocaml-doc/octavius#6).

1.1.1

Changes

• make odoc more noisy when generating html for hidden units
• changed html-deps subcommand behavior: it now expects to be given a directory, not a single odoc file.

1.1.0

Internal

• Switch to jbuilder

1.0.0

Initial release.