package js_of_ocaml-compiler

6.0.1 (2025-02-07) - Lille

Features/Changes

• Compiler/Runtime: Make resuming a continuation more efficient in js (#1765)
• Compiler/Runtime: Effects: add an optional feature of "dynamic switching" between CPS and direct style, resulting in better performance when no effect handler is installed
• Compiler: Merged Wasm_of_ocaml (#1724)
• Lib: fix the type of some DOM properties and methods (#1747)
• Lib: removed no longer relevant Js.optdef type annotations (#1769)
• Lib: Add other textMetrics property (#1784)
• Lib: rename Firebug to Console (#1802)
• Test: use dune test stanzas (#1631)
• Test: run wasm tests on windows
• Misc: drop support for IE
• Misc: move tests to OCaml 5.3
• Misc: import many test from the OCaml codebase
• Runtime: support for float16 bigarrays
• Runtime: support more Unix functions (#1823)
• Runtime: various filesystem fixes (#1825)

Bug fixes

• Compiler: Fix small bug in global data flow analysis (#1768)
• Runtime: no longer leak channels
• Runtime: Fix Marshal.to_buffer (#1798)
• Runtime: unmarshalling objects should refresh its id
• Runtime: check size upper bound during array creation
• Runtime: return sys_error when reading from a closed channels
• Runtime: fix parsing of hex-float with very large exponent
• Runtime: make sure [n / 0L] is not optimized away by DCE
• Runtime: fix Unix.LargeFile.stat/lstat
• Runtime: fix stat/lstat times
• Runtime: fix reading from stdin in an interactive nodejs

5.9.1 (02-12-2024) - Lille

Features/Changes

• Compiler: add mechanism to deprecate runtime promitives
• Runtime: re-introduce caml_new_string, marked as deprecated

5.9.0 (2024-11-22) - Lille

Features/Changes

• Misc: update testsuite to OCaml 5.2
• Misc: CI uses opam.2.2 and no longer use sunset repo
• Misc: yojson is no longer optional
• Misc: reduce the diff with the wasm_of_ocaml fork
• Misc: finalize support for OCaml 5.3
• Compiler: speedup global_flow/global_deadcode pass on large bytecode
• Compiler: improved global dead code elimination (#2206)
• Compiler: speedup json parsing, relying on Yojson.Raw (#1640)
• Compiler: Decode sourcemap mappings only when necessary (#1664)
• Compiler: mark [TextEncoder] as reserved
• Compiler: add support for the Wasm backend in parts of the pipeline, in prevision for the merge of wasm_of_ocaml
• Compiler: introduce a Targetint module that follows the semantic of the backend (js or wasm)
• Compiler: warn on joo_global_object
• Compiler: revisit static env handling (#1708)
• Compiler: Emit index source_map to avoid changing mappings (#1714, #1715)
• Compiler: improved source map generation (#1716)
• Runtime: change Sys.os_type on windows (Cygwin -> Win32)
• Runtime: backtraces are really expensive, they need to be explicitly requested at compile time (--enable with-js-error) or at startup (OCAMLRUNPARAM=b=1)
• Runtime: allow dynlink of precompiled js with separate compilation (#1676)
• Runtime: reimplement the runtime of weak and ephemeron (#1707)
• Lib: Modify Typed_array API for compatibility with WebAssembly
• Lib: add details element and toggle event (#1728)
• Toplevel: no longer set globals for toplevel initialization
• Runtime: precompute constants used in caml_lxm_next (#1730)
• Runtime: cleanup runtime

Bug fixes

• Runtime: fix parsing of unsigned integers (0u2147483648) (#1633, #1666)
• Runtime: fix incorrect pos_in after unmarshalling
• Runtime: make float_of_string stricter (#1609)
• Toplevel: fix missing primitives with separate compilation
• Compiler: fix link of packed modules with separate compilation
• Compiler: Fixed the static evaluation of some equalities (#1659)
• Compiler: fix global analysis bug (subsumes #1556)

5.8.2 (2024-05-26) - Luc

Bug fixes

• Compiler: fix variable renaming for property binding and assignment target (part 2)

5.8.1 (2024-05-05) - Lille

Features/Changes

• Library: new Typed_array.Bytes module.

Bug fixes

• Compiler: fix #1509

5.8.0 (2024-04-20) - Lille

Features/Changes

• Compiler: es6 now generate consise body
• Compiler: codegen: optimize Offset_ref for negative offsets
• Compiler: codegen: change argument passing of back edges.
• Compiler: codegen: use Array destruction to assign args of back edges with es6.
• Compiler: codegen: specialize string equality
• Compiler: codegen: more specialization for %int_add, %int_sub
• Compiler: recognize and optimize String.concat
• Compiler: more inlining - duplicate small function.
• Compiler: Make it possible to link runtime JavaScript file together with OCaml libraries #1509
• Compiler: initial support for OCaml 5.3
• Runtime: abort instead of exit when calling unimplemented js primitives in bytecode/native. It should help if one tries to understand the source of the call with gdb (see #677)
• Runtime: re-enable marshalling of floats, disabled in jsoo 2.0
• Runtime: new runtime api for channels

Bug fixes

• Compiler: fix variable renaming for property binding and assignment target
• Compiler: fix separate compilation of toplevels (broken since 5.7.0)
• Compiler: fix assertion while checking stack compatibility (#1600)

5.7.2 (2024-04-03) - Lille

Bug fixes

• Runtime: add missing primitives for ocaml 5.2.0~beta1

5.7.1 (2024-03-05) - Lille

Features/Changes

• Compiler: only flush the necessary env for closures (#1568)
• Library: dialog element support

Bug fixes

• Compiler: fix --enable=vardecl
• Compiler: fix parallel renaming (bug introduced in #1567)
• Lib: fix paragraph construction and coercion
• Runtime: reduce memory leak with channels (#1581)

5.7.0 (2024-02-16) - Lille

Features/Changes

• Mics: fix support for OCaml 5.2
• Compiler: no longer rely on IIFE for scoping variable inside loops
• Compiler: avoid parsing bytecode sections twice, jsoo counter part of ocaml#12599
• Lib: add ellipse to canvasRenderingContext2D (@FayCarsons, #1555)

Bug fixes

• Compiler: fix global dead code elimination in a toplevel context
• Compiler: fix exit-loop-early optim in presence of closure (#1561)
• Compiler: remove quadratic behavior in generate.ml (#1531, #1567)

5.6.0 (2024-01-02) - Lille

Features/Changes

• Compiler: try to preserve clorures ordering between ml and js
• Compiler: js-parser accept for await

Bug fixes

• Compiler: js-parser now accept all the line terminators defined in the spec
• Compiler: js-parser: fix support for LHS assignment target
• Compiler: js-parser: fix parser of default export
• Compiler: js-parser: allow 'as' as ident
• Compiler: js-parser: fix for-in rewriting
• Compiler: js-parser: fix yield pretty print
• Compiler: js-parser: fix async arrow function
• Compiler: js-parser: fix class printing
• Compiler: js-parser: fix #privateName

5.5.2 (2023-12-01) - Lille

Features/Changes

• Compiler: global dead code elimination (Micah Cantor, #1503)
• Compiler: change control-flow compilation strategy (#1496)
• Compiler: loop no longer absorb the whole continuation
• Compiler: Dead code elimination of unused references (#2076)
• Compiler: reduce memory consumption (#1516)
• Compiler: support for import and export construct in the js parser/printer
• Lib: add download attribute to anchor element
• Misc: switch CI to OCaml 5.1
• Misc: preliminary support for OCaml 5.2
• Misc: support for OCaml 5.1.1

Bug fixes

• Runtime: fix Dom_html.onIE (#1493)
• Runtime: add conversion functions + strict equality for compatibility with Wasm_of_ocaml (#1492)
• Runtime: Dynlink should be able to find symbols in jsoo_runtime #1517
• Runtime: fix Unix.lstat, Unix.LargeFile.lstat (#1519)
• Compiler: fix global flow analysis (#1494)
• Compiler: fix js parser/printer wrt async functions (#1515)
• Compiler: fix free variables pass wrt parameters' default value (#1521)
• Compiler: fix free variables for classes
• Compiler: fix internal invariant (continuation)
• Compiler: fix variable renaming for let, const and classes
• Lib: Url.Current.set_fragment need not any urlencode (#1497)

5.4.0 (2023-07-06) - Lille

Bug fixes

• Runtime: Fix recursive modules on ocaml < 4.13 (#1485)
• Runtime: fix hashing of NaN (#1475)
• Runtime: float rounding should resolve tie away from zero (#1475)
• Runtime: fix Gc.stat, Gc.quick_stat, Gc.get (#1475)
• Compiler: fix some miscompilation, probably introduced in jsoo 5.0.0, revealed by OCaml 5.0

5.3.0 (2023-06-21) - Lille

Features/Changes

• Misc: Bump magic number for ocaml 5.1
• Misc: changes to stay compatible with the next version of ppx_expect
• Runtime: support conversion of Uint8ClampedArray typed arrays to bigarrays (#1472)

Bug fixes

• Compiler: fix location for parsing errors when last token is a virtual semicolon
• Compiler: fix variable renaming with nested const/let decl with identical names
• Compiler: fix variable renaming inside js method
• Compiler: consise body should allow any expression but object literals
• Compiler: preserve [new] without arguments [new C] (vs [new C()]
• Compiler: remove invalid rewriting of js (#1471, #1469)
• Runtime: fix int32 values returned from bigarrays when wrapping Uint32Array objects (#1472)

5.2.0 (2023-04-28) - Lille

Features/Changes

• Compiler: jsoo link archive with -a (#1428)

Bug fixes

• Compiler: put custom header at the top of the output file (fix #1441)
• Compiler (js parser): fix parsing of js labels (fix #1440)
• Compiler: fix simplification of js with let and const
• Compiler: reduce memory consumption when parsing js
• Compiler: parsing js can return a list of token, the list was sometime incorrect
• Sourcemap: stop producing sourcemaps mappings with negative lines or columns
• Runtime: fix marshalling with sharing and string (use-js-string)

5.1.1 (2023-03-15) - Lille

Bug fixes

• Compiler: fix jsoo link in presence of --disable use-js-string (#1430)

5.1.0 (2023-03-07) - Otari

Features/Changes

• Lib: Added support for KeyboardEvent.getModifierState
• Misc: bump min ocaml version to 4.08
• Misc: remove some old runtime files to support some external libs
• Misc: switch to dune 3.7
• Effects: partial CPS transformation, resulting in much better performances, lower compilation time and smaller generated code
• Compiler: separate compilation can now drops unused units when linking (similar to ocamlc). (#1378)
• Compiler: specialize string to js-string conversion for all valid utf8 strings (previously just ascii)
• Compiler: JavaScript files generated by js_of_ocaml are now UTF-8 encoded.
• Compiler: use identifier for object literals when possible
• Compiler: Cache function arity (the length prop of a function is slow with v8)
• Compiler: The js lexer is now utf8 aware, recognize and emit utf8 ident
• Compiler: Update the js lexer with new number literal syntax
• Compiler: update js parser to support most es6 feature (#1391)
• Compiler: stop parsing the builtin js runtime if not necessary
• Compiler: improve js pretty printer (#1405)
• Compiler: improve debug location and speedup compilation (#1407)
• Compiler: improve analysis for more direct call (#1397)
• Compiler: change memory representation of OCaml strings to use js ones.
• Toplevel: Enable separate compilation of toplevels
• Runtime: js backtrace recording controled by OCAMLRUNPARAM
• Runtime: support for zstd decompression of marshalled data (ocaml.5.1) (#12006)
• Runtime: stub out custom runtime events symbols for OCaml 5.1 (#1414)

Bug fixes

• Effects: fix Js.export and Js.export_all to work with functions (#1417,#1377)
• Sourcemap: fix incorrect sourcemap with separate compilation
• Compiler: fix control flow analysis; some annotations were wrong in the runtime
• Compiler: js backtrace recording respected in the js runtime and when using effects
• Compiler: no longer fail on invalid source file (when the file is a directory)
• Runtime: fix the compilation of some mutually recursive functions

5.0.1 (2022-12-20) - Lille

Features/Changes

Bug fixes

Runtime: fix caml_read_file_content

5.0.0 (2022-12-20) - Lille

Features/Changes

• Compiler: add support for effect handlers (--enable=effects)
• Compiler: small refactoring in code generation
• Compiler: check build info compatibility when linking js file.
• Compiler: rewrite control flow compilation logic
• Misc: fix and update benchmarks
• Misc: upgrade CI
• Toplevel: recover more names when generating code during toplevel evaluation
• Runtime: wrapping exception or not is now controled in the runtime.

Bug fixes

• Runime: Gc.finalise_last should not be eliminated
• Tyxml: reactive dom needed a fix after #1268 (#1353)
• Toplevel: Make sure the toplevel uses the correct memory representaion for strings
• Compiler: fix minifier, missing constraint on try-catch blocks.
• Compiler: Miscompilation of code involving references and exceptions (#1354, #1356)

4.1.0 (2022-11-15) - Lille

Features/Changes

• Compiler: initial support for OCaml 5 (#1265,#1303)
• Compiler: bump magic number to match the 5.0.0~alpha0 release (#1288)
• Compiler: complain when runtime and compiler built-in primitives disagree (#1312)
• Compiler: more efficient implementation of Js_traverse.freevar
• Compiler: more efficient implementation of Js_traverse.rename_variable
• Compiler: --linkall now export all compilation units in addition to primitives (#1324)
• Compiler: improve --dynlink, one no longer need to pass --toplevel to use Dynlink (#1324)
• Compiler: toplevel runtime files "+toplevel.js" and "+dynlink.js" are added automatically (#1324)
• Misc: switch to cmdliner.1.1.0
• Misc: remove old binaries jsoo_link, jsoo_fs
• Misc: remove uchar dep
• Misc: use 4.14 in the CI
• Misc: switch to dune 3
• Lib: add missing options for Intl.DateTimeFormat
• Lib: add missing options for Intl.NumberFormat
• Lib: wheel event binding
• Lib: add normalize in js_string (ES6)
• Lib: more complete transition event bindings
• Lib: remove support for old browser-specific transition events
• Runtime: Implement weak semantic for weak and ephemeron (#1268)
• Runtime: Implement Gc.finalise_last
• Runtime: Implement buffer for in_channels
• Runtime: add support for unix_opendir, unix_readdir, unix_closedir, win_findfirst, win_findnext, win_findclose
• Runtime: Dont use require when target-env is browser
• Runtime: Implements Parsing.set_trace (#1308)
• Runtime: ocaml string are represented as javascript ones.
• Test: track external used in the stdlib and unix

Bug fixes

• Compiler: fix quadratic behavior of dominance frontier (fix #1300)
• Compiler: fix rewriter bug in share_constant (fix #1247)
• Compiler: fix miscompilation of mutually recursive functions in loop (#1321)
• Compiler: fix bug while minifying/renaming try-catch blocks
• Compiler: no dead code elimination for caml_js_get
• Runtime: fix ocamlyacc parse engine (#1307)
• Runtime: fix Out_channel.is_buffered, set_buffered
• Runtime: fix format wrt alternative
• Runtime: fix Digest.channel
• Runtime: sync channel seek / pos with the native runtime
• Misc: fix installation with dune 3 without opam
• Node: Only write small chunks to stdout/stderr so they flush
• Deriving: fix for nested polymorphic variants

4.0.0 (2021-01-24) - Lille

Features/Changes

• Compiler: add --target-env flag, for JS runtime specific compilation targets (#1160).
• Compiler: static evaluation of backend_type (#1166)
• Compiler: speedup emitting js files (#1174)
• Compiler: simplify (a | 0) >>> 0 into (a >>> 0) (#1177)
• Compiler: improve static evaluation of cond (#1178)
• Compiler: be more consistent dealing with js vs ocaml strings (#984)
• Compiler: Compiler: add BigInt to provided symbols (fix #1168) (#1191)
• Compiler: use globalThis, drop joo_global_object #1193
• Compiler: new -Werror flag to turn wanrings into errors (#1222)
• Compiler: make the inlining less agressive, reduce size, improve pref (#1220)
• Compiler: rename internal library js_of_ocaml-compiler.runtime to js_of_ocaml-compiler.runtime-files
• Lib: new runtime library to improve compatibility with Brr and gen_js_api
• Lib: add messageEvent to Dom_html (#1164)
• Lib: add PerformanceObserver API (#1164)
• Lib: add CSSStyleDeclaration.{setProperty, getPropertyValue, getPropertyPriority, removeProperty} (#1170)
• Lib: make window.{inner,outer}{Width,Height} non-optional
• Lib: introduce Js_of_ocaml.Js_error module, deprecate Js_of_ocaml.Js.Error exception.
• Lib: add deprecation warning for deprecated code
• PPX: json can now be derived for mutable records (#1184)
• Runtime: use crypto.getRandomValues when available (#1209)
• Misc: move js_of_ocaml-ocamlbuild out to its own repo
• Misc: add support for OCaml 4.14 (#1173)

Bug fixes

• Compiler: fix sourcemap warning for empty cma (#1169)
• Compiler: Strengthen bound checks. (#1172)
• Compiler: fix --wrap-with-fun under node (#653, #1171)
• Compiler: fix parsing of annotaions in js stubs (#1212, fix #1213)
• Ppx: allow apostrophe in lident (fix #1183) (#1192)
• Runtime: fix float parsing in hexadecimal form
• Runtime: fix implementation of caml_js_instanceof
• Graphics: fix mouse_{x,y} (#1206)

3.11.0 (2021-10-06) - Lille

Features/Changes

• Compiler: setting tc_depth to 0 remove direct call from the tc optimization.
• Lib: add hidden, onfullscreenchange and onwebkitfullscreenchange to document
• Runtime: fixes for Windows, all tests pass
• Runtime: make all windows drive available on nodejs.
• Runtime: add support for Sys.mkdir and Sys.rmdir
• Runtime: make stdin work on nodejs
• Runtime: add support for Unix(stat,lstat,mkdir,rmdir,symlink,readlink,unlink,getuid) on nodejs.
• Runtime: add caml_raise_with_args

Bug fixes

• Compiler: fix toplevel generation (#1129, #1130, #1131)
• Compiler: fix predefined exn id with separate compilation
• Compiler: js stubs without 'Provides' should still allow 'Require'
• Runtime: fix handling of uncaugh exceptions
• Runtime: fix error handling of Sys.readdir
• Dune: make git version lookup more resilient

3.10.0 (2021-08-30) - Lille

Features/Changes

• Compiler: add support for OCaml 4.13
• Compiler: new tool to check for missing primitives
• Compiler: drop support for OCaml 4.03 and bellow
• Lib: add offsetX and offsetY to Dom_html.mouseEvent
• Lib: add innerText property for Dom_html
• Runtime: add dummy implementation for many dummy primitives
• Runtime: add runtime for new float operation in 4.13 #1113 (by pmwhite)

Misc

• manual/rev_bindings.wiki: fix compilation error

3.9.1 (2021-02-17) - Lille

Features/Changes

• Runtime: add missing primitives for OCaml 4.12

Bug fixes

• Compiler: fix handling of offsetclosure with 4.12
• Compiler: fix ocaml_version parsing to support tilde

3.9.0 (2021-02-15) - Lille

Features/Changes

• Lib: add clipboardEvent to Dom_html and update appropriate function signatures
• Lib: add submitEvent to Dom_html and update appropriate function signatures
• Compiler: complete support for OCaml 4.12
• Lib: expose API to attached and retrieve js errors to/from ocaml exceptions
• Lib: intersection observer API fixes

Bug fixes

• Compiler: fix a segmentation fault when flat-float-array mode is disabled.

3.8.0 (2020-10-21) - London

Features/Changes

• compiler, ppx_js, ppx_deriving_json: port PPX's to ppxlib (#1041)

3.7.1 (2020-09-29) - London

Features/Changes

• lib: Add Navigator.{vendor,maxTouchPoints} (#1062)
• lib: adds the intersection observer API (#1063)

Bug fixes

• compiler: revert of "Eliminate allocation of dummy function #1013"
• compiler: fix for #1051 (#1052), Ensure the overflow warning is always displayed
• runtime: add missing primitives for 4.11
• lib: Fix resize-observer (#1058)

3.7.0 (2020-08-05) - Lille

Features/Changes

• Runtime: allow one to override xmlHttpRequest.create (#1002)
• Runtime: Change the semantic of MlBytes.toString, introduce MlBytes.toUtf16
• Compiler: initial support for OCaml 4.11
• Compiler: initial support for OCaml 4.12
• Compiler: improve the javascript parser by relying on menhir incremental api.
• Compiler: Eliminate allocation of dummy function #1013

Bug fixes

• Compiler: fix code generation for recursive function under for-loops (#1009)
• Compiler: the jsoo compiler compiled to javascript was not behaving correctly when parsing constant in the from the bytecode
• Compiler: make sure inline doesn't loop indefinitly (#1043)
• Compiler: fix bug generating invalid javascript for if-then construct (#1046)
• Compiler: do not use polymorphic comparison when joining float values (#1048)
• Lib: Rename msg to message in Worker (#1037)
• Lib: fix graphics_js when build with separate compilation (#1029)

3.6.0 (2020-04-26) - Lille

Features/Changes

• Compiler: change compilation scheme for branches (#948)
• Compiler: Introduce sub-command: link, build-runtime, build-fs (#987)
• Compiler: embed javascript runtime in the compiler (#978)
• Compiler: refactor javascript lexer/parser, add tests (#986)
• Runtime: clean runtime for string vs bytes
• Runtime: remove many old polyfill
• Runtime: add unix_isatty
• Runtime: optimize caml_call_gen (#996)
• Runtime: change representation of int64 (#905)
• Runtime: improve node.js backend for Sys.command (#979)
• Runtime: add javascript runtime for Str (#998)
• Lib: add closest method to element (#930)
• Lib: add several methods and functions to Typed_array (#970)
• Ppx: ppx_js behave better with merlin (#933)
• Misc: Cleanup Meta files (e.g. js_of_ocaml.tyxml is no longer valid library name)
• Misc: switch to ocamlformat.0.14

Bug fixes

• Compiler: fix vardecl optim (#946)
• Compiler: restore optimization when generating if statements
• Compiler: fix javascript parser in the presence of line directives (#980)
• Runtime: Catch nodejs errors and re-raise them as Sys_error
• Runtime: fix caml_parse_sign_and_base and unsigned syntax
• Runtime: fix caml_js_wrap_meth_callback_strict (#996)
• Runtime: fix over-application of javascript callback (#996)
• Runtime: fix partial-application of javascript callback (#996)
• Runtime: fic caml_js_wrap_meth_callback_unsafe (#996)
• Lib: Fix the type of blur and focus event to be focusEvent (#929)

3.5.2 (2019-12-14) - Hong Kong

Features/Changes

• Misc: support for ocaml 4.10
• Misc: ppx_deriving_json uses ppxlib >= 0.9

Bug fixes

• Runtime: fix pseudo fs initialization (#931)

3.5.1 (2019-11-16) - Hong Kong

Features/Changes

Bug fixes

• Runtime: fix poly compare with null and undefined (#920)
• Lib: Deriving Json does not export an [import] unit
• Dynlink/toplevel: export all units when no export file is specified (#921)
• Ppx: ppx_deriving_json should allow [%to_json: t] syntax

3.5.0 (2019-11-10) - Hong Kong

Features/Changes

• Compiler: Improve testing of the compiler (Ty Overby)
• Compiler: Add several macros for making the runtime easier to maintain (#771) (Ty Overby)
• Compiler: Allow to emit one javascript per compilation unit (#783)
• Compiler: refactoring (#781, #782, #787, #795, #802)
• Compiler: more source map location for the javascript runtime (#795)
• Compiler: tune variable naming (#838)
• Compiler: Work around num lib incompatibility
• Compiler: escape '</' in strings (#899)
• Compiler: speedup toplevel creation
• Runtime: support sharing when marshaling (#814)
• Runtime: add caml_obj_with_tag
• Runtime: support marshaling custom block
• Runtime: complete rewrite of bigarray
• Runtime: complete num implementation
• Runtime: add caml_ba_hash
• Runtime: rewrite polymorphic compare
• Ppx: switch ppx rewriter to the OCaml 4.08 ast
• Misc: Improve CI speed
• Misc: remove ppx_deriving dependency
• Misc: remove cppo dependency
• Misc: remove ppx_tools_versioned dependency in ppx_deriving_json
• Misc: support for ocaml 4.09
• Misc: switch to ocamlformat.0.12
• Misc: many more tests
• Misc: new jsoo_fs tool to embed files in a jsoo pseudo fs.
• Lib: Use expect tests
• Lib: Add support for 'addEventListener' with options (#807)
• Lib: Change api of [Lwt_js_events.async] (#862)
• Lib: Change api of responseText in xmlhttprequest (#863)
• Lib: add resizeObserver bindings
• Lib: Added support for custom events (#877)
• Lib: Added support for focus events (#885)
• Lib: Added passive option support for Lwt_js_events module
• Lib: Added bindings for pointer events (#894)

Bug fixes

• Compiler: don't generate source if no-source-map passed (#780)
• Compiler: Fix compilation of [Array.set] to return [unit]/0 (#792)
• Compiler: Fix assertion failure (#828)
• Compiler: Fix compilation of exception handlers (#830)
• Compiler: Fix static evaluation of caml_equal (#906)
• Misc: Fix install on windows (#794)
• Lib: Fix Dom_svg.createForeignObject (#756)
• Runtime: Fix caml_obj_tag, causing miscompilation with lazy value (#772)
• Runtime: Fix caml_ml_seek_out, caml_ml_pos_out (#779) (Shachar Itzhaky)
• Runtime: caml_parse_sign_and_base to support unsigned syntax (#791) (Shachar Itzhaky)
• Runtime: fix encoding when printing to stdout (#800)
• Runtime: Handle browserfs in fs_node detection logic (#831)
• Runtime: fix Obj.tag (#832)
• Runtime: fix marshalling of custom blocks (#861)
• Runtime: fix frexp
• Runtime: fix float printing with "%f" and large floats

3.4.0 (2019-04-17) - Hong Kong

Features/Changes

• Compiler: Support reproducible builds by using BUILD_PATH_PREFIX_MAP
• Compiler: Remove support for ocaml < 4.02.3
• Compiler: use paths from debug info when looking to looking cmis to embed
• Compiler: refactoring, renaming
• Compiler: make float literals look like float (#767)
• Misc: use ocamlformat
• Misc: dunify the build of the toplevel
• Misc: support for OCaml 4.08
• Lib: wrap js_of_ocaml-lwt, js_of_ocaml-tyxml, js_of_ocaml-toplevel, js_of_ocaml-compiler
• Runtime: don't use deprecated [new Buffer] on nodejs (#726)

Bug fixes

• Compiler: fix compilation of empty cma
• Compiler: fix js parser with keyword as ident
• Compiler, Runtime: make --setenv work with Sys.getenv_opt
• Compiler: fix miscompilation of Obj.is_int with a match expression
• Compiler: fix quadratic behaviour in findlib.ml
• Compiler: prevent addition with a positively-signed number from being coalesced… (#764)
• Compiler: Fix: static eval of String.get (#770)
• Runtime: make obj_dup work on string/bytes
• Runtime: fix bad hash function on int64
• Runtime: avoid redundant conversion to string in fs_fake.js

3.3.0 (2018-11-26) - Hong Kong

Features/Changes

• Toplevel: [--toplevel] is now taken account when compilig cmo and cma.
• Lib: make [Js.Unsafe.any] be [Js.Unsafe.top Js.t]
• Lib: Improve generation of dummy stubs (#700)
• Lib: Deprecate non namespaced module access
• Lib: Upgrade to Tyxml 4.3.0
• Misc: switch to dune
• Misc: remove camlp4 support

Bug fixes

• Toplevel: Fix dynlink of precompiled javascript files.
• Lib: Fix encoding in Sys.set_channel_flusher (fix #686)
• Runtime: fix the type of dataTransfer##.types
• Runtime: add dummy implementation for caml_restore_raw_backtrace

3.2.1 (2018-07-26) - Bari

Bug fixes

• Misc: Fix the dependencies of the Lwt logger
• Runtime: fix semantic of bigstring_destroy_stub

3.2.0 (2018-06-10) - Bergen

Features/Changes

• Runime: improve stacktraces.
• Ppx: ppx uses the OCaml 4.06 ast.
• Misc: support for OCaml 4.07
• Misc: start leveraging safe-string.
• Lib: add support for Internationalization API.
• Lib: Added media events support.

Bug fixes

• Runtime: int_of_string accepts leading '+'
• Runtime: fix polymorphic & hash compare on custom non-ocaml values.
• Runtime: fix string encoding when writing to channels.
• Runtime: improve mode js detection wrt filesystem.

3.1.0 (2018-02-15) - Hong Kong

Features/Changes

• Lib: add missing File.blob constructor (fix #630)
• Runtime: hash support for custom blocks
• Runtime: weak.js loaded by default
• Compiler: compile an OCaml program into a named javascript function (fix #599)
• Misc: move ppx_deriving_json in its own opam package (Rudi Grinberg)
• Compiler: static eval of float negation
• Compiler: improve constant sharing.
• Ppx: add support for writeonly_prop and optdef_prop in object literal.

Bug fixes

• Compiler: fix code generation of unary ops (missing space).
• Compiler: fix static eval of conditions (fix #616)
• Compiler: fix code generation for OCaml GPR#1568
• Runtime: fix bug found using the closure compiler (#644)

3.0.2 (2017-12-01) - Strasbourg

Features/Changes

• Runtime: support for latest core_kernel

Bug fixes

• Runtime: fix sys_chdir
• Runtime: fix fs support on windows
• Ppx: fix ppx_deriving_json for ocaml 4.05

3.0.1 (2017-11-04) - London

Features/Changes

• Lib: add Jstable.remove (Cedric Cellier)
• Build: use recent version of jbuilder (># 1.0+beta12)

Bug fixes

• Runtime: fix Sys.file_exists for the in-memory filesystem.
• Runtime: implement missing primitives: caml_nativeint_bswap, caml_floatarray_*, caml_ba_change_layout
• Runtime: few other bugfixes.
• Compiler: fix compat with OCaml 4.06

3.0.0 (2017-06-23) - Hong Kong

Features/Changes

• Misc: switch to ppx instead of camlp4
• Misc: always install deriving_json
• Misc: remove support for async_kernel, bin_prot
• Misc: remove support for ppx_driver
• Misc: split js_of_ocaml in multiple packages
• Misc: switch to jbuilder
• Misc: new pseudo filesystem support with better node support
• Compiler: sourcemap support is now optional
• Compiler: no more strong dep on yojson, b64, menhir, ocamllex
• Compiler: improve separate compilation workflow
• Runtime: add support for weakdef
• Syntaxes: add expect tests
• Syntaxes: switch to ocaml-migrate-parsetree and ppx_tools_versioned
• Lib: Add primitives in [Js.Unsafe]
• Lib: remove keycode module, replaced by Dom_html.Keyboard_code
• Lib: XmlHttpRequest, API change for perform functions.

Bug fixes

• Runtime: fix many stubs
• Lib: fix many signatures
• Compiler: fix performance of compilation passes (simpl,clean)
• Compiler: fix compat with OCaml 4.06
• Toplevel: flush channels after execution.
• Toplevel: fix toplevel generation when using -export-unit

2.8.4 (2016-12-21)

Features/Changes

• Compiler: new jsoo_link binary to link multiple javascript files together and merging sourcemaps.
• Toplevel: improve generation of toplevels, one can now pass a an export file containing units to export. (see jsoo_listunits)
• Lib: Provide a Js_of_ocaml (namespace) module to ease transition with future version of js_of_ocaml

Bug fixes

• Compiler: fix separate compilation when facing empty unit inside a library
• Runtime: fix many javascript stubs
• Syntac: fix ppx deriving json

2.8.3 (2016-11-04)

Features/Changes

• Runtime: complete support for 4.04

Bug fixes

• Compiler: fix order of javascript files
• Compiler: fix Javascript lexer (newline inside strings)
• Compiler: fix bug in closure generation
• Compiler: fix regression in closure generation (introduced in 2.8) (#531)
• Compiler: fix code generation when static evaluation is disabled

2.8.2 (2016-09-10)

Features/Changes

• Lib: add Dom_html.Keyboard_code & Dom_html.Keyboard_key (Corwin de Boor)
• Misc: update lib and runtime to work better with non browser environment
• Misc: initial support for 4.04

Bug fixes

• Compiler: fix js output for x - -1
• Compiler: fix parsing of annotations in the runtime
• Compiler: fix javascript minifier
• Compiler: various fixes for separate compilation.

2.8.1 (2016-07-01)

Features/Changes

• Compiler: reduce memory usage for shortvar
• Lib: Add optional prefix arg to Jsonp.call
• Ppx: add ppx_driver compatibility

Bug fixes

• Lib: fix Js.object_keys, Js.export
• Lib: Async, do not ignore unhandled exceptions

2.8 (2016-06-16)

Features/Changes

• Compiler: allow dynlink of precompiled javascript file
• Compiler: Improve tailcall optimization
• Compiler: Improve pretty mode
• Compiler: More inlining and static evaluation
• Compiler: Better source map support, to leverage resolve_variable_names in chrome DevTools
• Compiler: preserve as much as possible the initial OCaml variable names
• Lib: synchronize with tyxml 4.0.0
• Lib: convert string/bigstring to/from typed_array
• Lib: add Tyxml_js.Register API.
• Lib: Support for Core_kernel and Async_kernel (32bit only).
• Lib: Mutation observer.
• Runtime: bigstring, caml_int32_bits_of_float, ..
• Runtime: better nodejs integration

Misc

• Support for OCaml 4.03
• Toplevel with ppx syntax

Bug fixes

• Compiler: Fix float printing
• Compiler: fix separate compilation

2.7 (2016-01-25)

Features/Changes

• Syntax: ppx_deriving
• Compiler: Add custom_header ability to jsoo generate file (Edgar Aroutiounian)
• Compiler: Bytecode parsing, improved performance
• Lib: add geolocation API (Stéphane Legrand)
• Lib: add Mutation observers API (Stéphane Legrand)
• Lib: add Jstable module (Drup)
• Lib: add WebWorker API (Grégoire Henry)
• Lib: Allow to customize 'in_channel' with specific 'refiller' (Grégoire Henry)
• Lib: Synchronized tyxml 3.6.0

BugFixes

• Compiler: Fix compilation of the [match with exception] construct
• Compiler: fix compat with the upcoming ocaml 4.03
• Lib: Tyxml_js, discrepancy between Firefox and Chromium
• Lib: various small fixes
• Runtime: Fix Big_int.square_big_int
• Runtime: graphics, fix draw_image with transparent pixel
• Ppx: fix for merlin

2.6 (2015-07-15)

Features/Changes

• Compiler: Findlib is optional
• Compiler: improvement of sourcemap support (ie: inlinned sourcemap)
• Compiler: Support for separate compilation (compile cm{o,a} -> js)
• Compiler: more inlining
• Syntax: new ppx syntax
• Syntax: js object literal (camlp4 + ppx)
• Runtime: support for Dynlink
• Runtime: Support for upcoming release of Bin_prot, Core_kernel, Async_kernel
• Lib: add requestAnimationFrame
• Lib: complete Js.Math
• Lib: complete xmlHttpRequest

Misc

• Drop support for 3.12

BugFixes

• Runtime: Fix caml_hash
• Lib: fix tyxml + svg
• Lib: various Api fixes

2.5 (2014-09-30)

Features/Changes

• Compiler: SourceMap improvement
• Compiler: remove registration of unused named value (wrt runtime)
• Compiler: Smarter inlining, Constant sharing, Switch generation
• Lib: Dom binding: *AttributeNS, AttributeNode, borderRadius
• Runtime: improve performance of string, array allocation
• Misc: enable safestring for OCaml 4.02
• Commandline: switch to Cmdliner. Better -help + manpage

BugFixes

• Compiler: workaround a bug in ocaml 4.02 wrt debug section.
• Compiler: bug when generating minified JavaScript.
• Runtime: fix Obj.tag
• Runtime: fix internalmod wrt ocaml4.02

2.4.1 (2014-08-28)

BugFixes

• Compiler: restore compatibility with ocaml 4.02
• Runtime: fix caml_hash, Math.imul may give wrong results (#215)
• Lib: Graphics_js, update text drawing baseline
• Lib: Fix overuse of FormData in XmlHttpRequest (Tomohiro Matsuyama #214)

2.4 (2014-08-08)

Features/Changes

• Runtime: support for num (Ryan Goulden)
• Lib: initial support for Dom_svg
• Lib: introduce Jsonp module
• Lib: introduce JSON object binding
• Lib: introduce DomContentLoaded
• lib: introduce eventSource
• Lib: introduce js_of_ocaml.toplevel package
• Lib: various improvement: textContent,outerHTML,unload event,css properties
• Lib: complete binding of Js.array
• Lib: change signature of Sys_js.register_autoload
• Lib: sync js_of_ocaml.tyxml with latest tyxml
• Tools: helpers to build toplevel: jsoo_mktop, jsoo_mkcmis

BugFixes

• Compiler: generate js files with default permission, was 0o600 (#182) (Daniel Bünzli)
• Syntax: fix typing of method arguments
• Runtime: fix behaviour of Sys.argv (Tomohiro Matsuyama)
• Runtime: fix caml_js_meth_call
• Compiler: fix assert false when deadcode is off
• Compiler: fix compilation of Js.debugger

2.3 (2014-06-30)

Features/Changes

• Lib: remove deprecated Event_arrow
• Lib: introduce js_of_ocaml.tyxml
• Lib: introduce js_of_ocaml.weak (that loads weak.js) and remove predicate joo_weak
• Lib: introduce js_of_ocaml.log (Lwt logger)
• Lib: Dom_html.{range,selection} (Enguerrand Decorne)

BugFixes

• Compiler: fix traduction of Ult binop (#177)
• Compiler: fix the build of compiler.{cmxs,cma} (Stéphane Glondu)
• Compiler: fix traduction of logical shift right
• Runtime: fix marshaling (#176)
• Meta: update predicates (joo_* -> jsoo_*)
• Lib: fix class type Dom_html.optionElement

2.2 (2014-05-15)

Features/Changes

• Runtime: improve blit_string perf
• Compiler: option to warn about unused js variable
• Lib: audio/videoElement

BugFixes

• Syntax: catch exception in syntax extension (#158)
• Compiler: compat with Node.js (global object) (#160)
• Runtime: fix graphics.js
• Lib: fix Dom.event interface

2.1 (2014-04-28)

Features/Changes

• Runtime: bigarray comparison
• Compiler: allow to embed directory with -file dir_name=ext1,ext2:dest_path
• Compiler: can now output embedded files in a different js file
• Lib: js_of_ocaml.graphics
• Lib: Js.Unsafe.expr to embed JavasScript expression to be used instead of Js.Unsafe.variable (or eval_string)
• Lib: Sys_js.js_of_ocaml_version && Sys_js.file_content
• OCamlbuild plugin: Add the OASIS support, document the API and add the tags sourcemap (included in the meta-tag debug) and tailcall (#148) (by Jacques-Pascal Deplaix)

BugFixes

• Syntax: Better type constraint (#84)
• Compiler: caml_failwith primitive was sometime missing (#147)
• Compiler: variable names used outside a program were not marked as reserved (#146)
• Lib: fix WebGl interface

2.0 (2014-04-11)

Features/Changes

• Compiler: generate shorter variable names
• Parsing and minifying of external javascript file (ie: runtime) (by Hugo Heuzard)
• Compiler: JavaScript strict mode enabled
• Runtime: add support for recursive module (by Hugo Heuzard)
• Compiler: use trampoline to implement tailcall optim (by Hugo Heuzard)
• Improved OCaml toplevel UI (by Hugo Heuzard)
• Toplevel: support dynamic loading of cmo and cma files
• Runtime: add Bigarray support (contributed by Andrew Ray)
• Library: switch from "float Js.t" to just "float" for typing JavaScript numbers
• Compiler: Add javascript file lookup using findlib (+mypkg/myfile.js will read myfile.js from mypkg findlib directory) (by Hugo Heuzard)
• Compiler: improve missing primitives & reserved name detection (by Hugo Heuzard)
• Compiler: static evaluation of constant ("staticeval" optimisation) (by Hugo Heuzard)
• Compiler: share constants (by Hugo Heuzard)
• Compiler: alias primitives (by Hugo Heuzard)
• Compiler: complete javascript ast (by Hugo Heuzard)
• Compiler: 'caml_format_int %d x' compiles to ""+x (by Hugo Heuzard)
• Add JavaScript file in META (to be used with ocamlfind) (by Hugo Heuzard)
• Add Ocamlbuild plugin js_of_ocaml.ocamlbuild (by Jacques-Pascal Deplaix)
• Add/Install classlist.js, weak.js
• Add Url.Current.protocol (by Vicent Balat)
• Dependency: deriving instead of deriving-ocsigen
• Runtime: log wrong string encoding issues to the console (by Hugo Heuzard)
• Add compiler_libs (by Pierre Chambart)
• Compile syntax extension to native code as well (by Hugo Heuzard)
• Add a JavaScript parser (extracted from facebook/pfff)
• Compiler: remove redundant 'var' (by Hugo Heuzard)
• Compiler: improve compact mode, remove unnecessary space, semicolon
• Runtime: Support in_channel and out_channel (by Hugo Heuzard)
• Compiler: option to embed files into the generated js such files can be read using open_in (by Hugo Heuzard)
• Runtime: add cache for method lookup (by Hugo Heuzard)
• Compiler: experimental sourcemap support (by Hugo Heuzard)
• JavaScript Errors are now wrapped inside OCaml exceptions (by Hugo Heuzard)

BugFixes

• Compiler: js file is not create in case of error (by Hugo Heuzard)
• Fix compatibility when using type covn (by Hugo Heuzard)
• Fix md5 : incorrect for string where (length % 64) E 56..59 (by Grégoire Henry)
• Fix caml_js_new: when called with more than 8 arguments
• Address a number of integer overflow issues (by Hugo Heuzard)
• Fix float comparisons (NaN was not compared correctly)

1.4 (2013-12-03)

Features/Changes

• Add missing primitives for OCaml 4.01
• Improved Dom bindings (Hugo Heuzard and many other contributors)
• Add -linkall option to keep all provided primitives (Pierre Chambard)
• Improved tail-call optimization (Hugo Heuzard)
• Added optimization levels: -o {1,2,3} (Hugo Heuzard)

Bugfixes

• Fixed some incorrect Dom bindings
• Fixed hypot primitive (Pierre Chambard)
• Fixed tail call optimization bug (some incorrect code was generated when the number of arguments did not match the number of function parameters)
• Fixed a bug with empty strings
• Fixed weak.js (primitives for Weak module)

1.3 (2012-11-28)

Features/Changes

• Runtime and toplevel updates to support OCaml 4.0
• Add WebSocket bindings
• Added -debuginfo option to output source code location information (patch by Kensuke Matsuzaki)
• Dom_html: added change, input and hashChange event bindings
• Adding Lwt_js_events.async_loop and buffered_loop

Bugfixes

• Fix array and string blitting with overlapping regions
• Url module: fix encoding of '+'
• Library: use 'this' instead of 'window' for better portability
• Dom_html: fix creation of elements with type or name attribute under IE 9
• Compiler: small fix to bytecode parsing that could result in incorrect generated code
• Dom_html: fix mouse wheel event bindings
• Dom: fix the type of item methods
• Deriving_json: tail-recursive serialisation of lists (by Hugo Heuzard)
• Deriving_json: fix parsing of float arrays and polymorphic variants (by Hugo Heuzard)

1.2 (2012-06-02)

Features/Changes

• Improvements in the data-flow solver
• Add Dom_html.window##onscroll
• Dom_events.listen: handler should return boolean
• Add DOM drag/drop events

Bugfixes

• Fix #284
• Fix return type of window##open_

1.1.1 (2012-03-15)

Misc

• add webgl example

Bugfixes

• Url parsing.
• webgl binding types

1.1 (2012-02-24)

Libraries:

• Lots of new dom bindings
• WebGL
• Typed arrays
• Many speed improvement (marshal, strings, regexps)
• Many bug fixed

Compiler:

• Add -I option to select directories containing cmi files
• Fix compilation of mutually recursive functions occurring in loops
• In Javascript output, parenthesize numbers when followed by a dot
• Fix order of evaluation bug
• Fix compilation of loops in 'try ... with' body (close #263)

Misc:

• hyperbolic tree example

1.0.9 (2011-11-30)

• Bugfixe in polymorphic comparison.

1.0.8 (2011-11-25)

• Compatibility with deriving-0.3

• Libraries:

  • Adding Event_arrows.iter
  • Events: adding Dom_html.stopPropagation and ?propagate parameter in Event_arrows

1.0.7 (2011-11-18)

Libraries:

• Add Dom_html.buttonPressed
• Add functions to downcast Dom_html.event into mouseEvent, keyboardEvent, ...
• Add Dom.document.adoptNode
• removed Date.now() function, not supported by all browsers
• Allow to test the button associated to a Dom_html.mouseEvent
• Add localStorage and sessionStorage api

Bugfixes

• Deriving_json: fix string (un)marshaling (was broken for byte > 127)
• Do not emit string escape sequence \v (not supported by IE8)
• Removed incorrect optimization of !(x < y) into (x ># y)
• Allow compilation on win32/msvc
• Open all files in binary mode

1.0.6 (2011-09-28)

Libraries:

• add Dom_html.iFrameEliom##width
• add Dom_html.window##scroll
• add Dom.document##importNode

Bugfixes

• browser compatility for Regexp.search and check_headers (XmlHttpRequest.send).

1.0.5 (2011-09-21)

Libraries:

• XmlHttpRequest: allow to cancel ta XHR after receiving the HTTP headers
• Added the [CSS.Angle] module to handle angles in CSS

Bugfixes

• array_get/set bound check

1.0.4 (2011-09-07)

Libraries:

• History API
• improvements of CSS module
• Add coercion and attribute manipulation functions in Dom module

Bugfixes

• fix typo in 'greater than or equal to'
• marshaling, unmarshaling and comparison are not recursive anymore: avoid stack overflow
• use custom formatter to pretty print Javascript code to avoid newlines where it is forbidden.
• fix type of Dom.nodeList.item (was optdef, is now opt)
• fixes for internet explorer.
• fixes for bug exposed by Berke Durak's tool jsure.

1.0.3 (2011-07-13)

Libraries

• Add a CSS module
• export Form.form_elements
• add onsubmit method to Dom_html.formElement
• add classList property to dom elements

Bugfixes

• 'caml_int_of_string' was incorrect for negative number
• Fixed misparenthesized Javascript 'new' expressions

1.0.2 (2011-04-13)

Compiler

• Switch licence to LGPL
• API to generate a function instead of a standalone program
• option to compile an OCaml toplevel

Libraries

• Add an optional JSON deriving class
• Add Math.random binding
• Add scrollWidth/scrollHeight element methods to the DOM
• Add coercion function Dom_html.CoerceTo.element

• Renaming functions in XmlHttpRequest:

  • send -> perform
  • send_string -> perform_raw_url

Bugfixes

• fix compilation of Int32/Nativeint
• fix compilation of self-recursive functions in loops
• fix to File module for when there is no FileReader class in the host browser
• fixed big in weak support

1.0.1 (2011-01-26)

• Allow use of Lwt.pause.
• Split ocamlfind packages in two: syntax and library.

Bugfixes

• conversion of Int64 to string.
• typos.

1.0 (2010-12-13)

Initial release