Release notes and version history
Version 5.x
20-10-2017: Version 5.31.0:
- Modes added with
addOverlay
now have access to abaseToken
method on their input stream, giving access to the tokens of the underlying mode. - Further improve selection drawing and cursor motion in right-to-left documents.
- vim bindings: Fix ctrl-w behavior, support quote-dot and backtick-dot marks, make the wide cursor visible in contentEditable input mode.
- continuecomment addon: Fix bug when pressing enter after a single-line block comment.
- markdown mode: Fix issue with leaving indented fenced code blocks.
- javascript mode: Fix bad parsing of operators without spaces between them. Fix some corner cases around semicolon insertion and regexps.
20-09-2017: Version 5.30.0:
- Fixed a number of issues with drawing right-to-left selections and mouse selection in bidirectional text.
- search addon: Fix crash when restarting search after doing empty search.
- mark-selection addon: Fix off-by-one bug.
- tern addon: Fix bad request made when editing at the bottom of a large document.
- javascript mode: Improve parsing in a number of corner cases.
- markdown mode: Fix crash when a sub-mode doesn't support indentation, allow uppercase X in task lists.
- gfm mode: Don't highlight SHA1 'hashes' without numbers to avoid false positives.
- soy mode: Support injected data and
@param
in comments. - simple mode addon: Allow groups in regexps when
token
isn't an array.
24-08-2017: Version 5.29.0:
- Fix crash in contentEditable input style when editing near a bookmark.
- Make sure change origins are preserved when splitting changes on read-only marks.
- javascript mode: More support for TypeScript syntax.
- d mode: Support nested comments.
- python mode: Improve tokenizing of operators.
- markdown mode: Further improve CommonMark conformance.
- css mode: Don't run comment tokens through the mode's state machine.
- shell mode: Allow strings to span lines.
- search addon: Fix crash in persistent search when
extraKeys
is null.
21-07-2017: Version 5.28.0:
- Fix copying of, or replacing editor content with, a single dash character when copying a big selection in some corner cases.
- Make
"goLineLeft"
/"goLineRight"
behave better on wrapped lines. - sql mode: Fix tokenizing of multi-dot operator and allow digits in subfield names.
- searchcursor addon: Fix infinite loop on some composed character inputs.
- markdown mode: Make list parsing more CommonMark-compliant.
- gfm mode: Highlight colon syntax for emoji.
29-06-2017: Version 5.27.4:
- Fix crash when using mode lookahead.
- markdown mode: Don't block inner mode's indentation support.
22-06-2017: Version 5.27.2:
- Fix crash in the simple mode addon.
22-06-2017: Version 5.27.0:
- Fix infinite loop in forced display update.
- Properly disable the hidden textarea when
readOnly
is"nocursor"
. - Calling the
Doc
constructor withoutnew
works again. - sql mode: Handle nested comments.
- javascript mode: Improve support for TypeScript syntax.
- markdown mode: Fix bug where markup was ignored on indented paragraph lines.
- vim bindings: Referencing invalid registers no longer causes an uncaught exception.
- rust mode: Add the correct MIME type.
- matchbrackets addon: Document options.
- Mouse button clicks can now be bound in keymaps by using names like
"LeftClick"
or"Ctrl-Alt-MiddleTripleClick"
. When bound to a function, that function will be passed the position of the click as second argument. - The behavior of mouse selection and dragging can now be customized with the
configureMouse
option. - Modes can now look ahead across line boundaries with the
StringStream
.lookahead
method. - Introduces a
"type"
token type, makes modes that recognize types output it, and add styling for it to the themes. - New
pasteLinesPerSelection
option to control the behavior of pasting multiple lines into multiple selections. - searchcursor addon: Support multi-line regular expression matches, and normalize strings when matching.
22-05-2017: Version 5.26.0:
- In textarea-mode, don't reset the input field during composition.
- More careful restoration of selections in widgets, during editor redraw.
- vim bindings: Parse line offsets in line or range specs.
- javascript mode: More TypeScript parsing fixes.
- julia mode: Fix issue where the mode gets stuck.
- markdown mode: Understand cross-line links, parse all bracketed things as links.
- soy mode: Support single-quoted strings.
- go mode: Don't try to indent inside strings or comments.
20-04-2017: Version 5.25.2:
- Better handling of selections that cover the whole viewport in contentEditable-mode.
- No longer accidentally scroll the editor into view when calling
setValue
. - Work around Chrome Android bug when converting screen coordinates to editor positions.
- Make sure long-clicking a selection sets a cursor and doesn't show the editor losing focus.
- Fix issue where pointer events were incorrectly disabled on Chrome's overlay scrollbars.
- javascript mode: Recognize annotations and TypeScript-style type parameters.
- shell mode: Handle nested braces.
- markdown mode: Make parsing of strong/em delimiters CommonMark-compliant.
20-03-2017: Version 5.25.0:
- In contentEditable-mode, properly locate changes that repeat a character when inserted with IME.
- Fix handling of selections bigger than the viewport in contentEditable mode.
- Improve handling of changes that insert or delete lines in contentEditable mode.
- Count Unicode control characters 0x80 to 0x9F as special (non-printing) chars.
- Fix handling of shadow DOM roots when finding the active element.
- Add
role=presentation
to more DOM elements to improve screen reader support. - merge addon: Make aligning of unchanged chunks more robust.
- comment addon: Fix comment-toggling on a block of text that starts and ends in a (differnet) block comment.
- javascript mode: Improve support for TypeScript syntax.
- r mode: Fix indentation after semicolon-less statements.
- shell mode: Properly handle escaped parentheses in parenthesized expressions.
- markdown mode: Fix a few bugs around leaving fenced code blocks.
- soy mode: Improve indentation.
- lint addon: Support asynchronous linters that return promises.
- continuelist addon: Support continuing task lists.
- vim bindings: Make Y behave like yy.
- sql mode: Support sqlite dialect.
22-02-2017: Version 5.24.2:
- javascript mode: Support computed class method names.
- merge addon: Improve aligning of unchanged code in the presence of marks and line widgets.
20-02-2017: Version 5.24.0:
- Positions now support a
sticky
property which determines whether they should be associated with the character before (value"before"
) or after (value"after"
) them. - vim bindings: Make it possible to remove built-in bindings through the API.
- comment addon: Support a per-mode
useInnerComments
option to optionally suppress descending to the inner modes to get comment strings. - A cursor directly before a line-wrapping break is now drawn before or after the line break depending on which direction you arrived from.
- Visual cursor motion in line-wrapped right-to-left text should be much more correct.
- Fix bug in handling of read-only marked text.
- shell mode: Properly tokenize nested parentheses.
- python mode: Support underscores in number literals.
- sass mode: Uses the full list of CSS properties and keywords from the CSS mode, rather than defining its own incomplete subset. Now depends on the css mode.
- css mode: Expose
lineComment
property for LESS and SCSS dialects. Recognize vendor prefixes on pseudo-elements. - julia mode: Properly indent
elseif
lines. - markdown mode: Properly recognize the end of fenced code blocks when inside other markup.
- scala mode: Improve handling of operators containing
#
,@
, and:
chars. - xml mode: Allow dashes in HTML tag names.
- javascript mode: Improve parsing of async methods, TypeScript-style comma-separated superclass lists.
- indent-fold addon: Ignore comment lines.
19-01-2017: Version 5.23.0:
- Presentation-related elements DOM elements are now marked as such to help screen readers.
- markdown mode: Be more picky about what HTML tags look like to avoid false positives.
findModeByMIME
now understands+json
and+xml
MIME suffixes.- closebrackets addon: Add support for an
override
option to ignore language-specific defaults. - panel addon: Add a
stable
option that auto-scrolls the content to keep it in the same place when inserting/removing a panel.
20-12-2016: Version 5.22.0:
- sublime bindings: Make
selectBetweenBrackets
work with multiple cursors. - javascript mode: Fix issues with parsing complex TypeScript types, imports, and exports.
- A contentEditable editor instance with autofocus enabled no longer crashes during initializing.
- emacs bindings: Export
CodeMirror.emacs
to allow other addons to hook into Emacs-style functionality. - active-line addon: Add
nonEmpty
option. - New event:
optionChange
.
21-11-2016: Version 5.21.0:
- Tapping/clicking the editor in contentEditable mode on Chrome now puts the cursor at the tapped position.
- Fix various crashes and misbehaviors when reading composition events in contentEditable mode.
- Catches and ignores an IE 'Unspecified Error' when creating an editor in an iframe before there is a
<body>
. - merge addon: Fix several issues in the chunk-aligning feature.
- verilog mode: Rewritten to address various issues.
- julia mode: Recognize Julia 0.5 syntax.
- swift mode: Various fixes and adjustments to current syntax.
- markdown mode: Allow lists without a blank line above them.
- The
setGutterMarker
,clearGutter
, andlineInfo
methods are now available onDoc
objects. - The
heightAtLine
method now takes an extra argument to allow finding the height at the top of the line's line widgets. - ruby mode:
else
andelsif
are now immediately indented. - vim bindings: Bind Ctrl-T and Ctrl-D to in- and dedent in insert mode.
20-10-2016: Version 5.20.0:
- Make
newlineAndIndent
command work with multiple cursors on the same line. - Make sure keypress events for backspace are ignored.
- Tokens styled with overlays no longer get a nonsense
cm-cm-overlay
class. - Line endings for pasted content are now normalized to the editor's preferred ending.
- javascript mode: Improve support for class expressions. Support TypeScript optional class properties, the
abstract
keyword, and return type declarations for arrow functions. - css mode: Fix highlighting of mixed-case keywords.
- closebrackets addon: Improve behavior when typing a quote before a string.
- The core is now maintained as a number of small files, using ES6 syntax and modules, under the
src/
directory. A git checkout no longer contains a workingcodemirror.js
until younpm build
(but when installing from NPM, it is included). - The
refresh
event is now documented and stable.
20-09-2016: Version 5.19.0:
- erlang mode: Fix mode crash when trying to read an empty context.
- comment addon: Fix broken behavior when toggling comments inside a comment.
- xml-fold addon: Fix a null-dereference bug.
- Page up and page down now do something even in single-line documents.
- Fix an issue where the cursor position could be off in really long (~8000 character) tokens.
- javascript mode: Better indentation when semicolons are missing. Better support for TypeScript classes, optional parameters, and the
type
keyword. - The
blur
andfocus
events now pass the DOM event to their handlers.
23-08-2016: Version 5.18.2:
- vue mode: Fix outdated references to renamed Pug mode dependency.
22-08-2016: Version 5.18.0:
- Make sure gutter backgrounds stick to the rest of the gutter during horizontal scrolling.
- The contenteditable
inputStyle
now properly supports pasting on pre-Edge IE versions. - javascript mode: Fix some small parsing bugs and improve TypeScript support.
- matchbrackets addon: Fix bug where active highlighting was left in editor when the addon was disabled.
- match-highlighter addon: Only start highlighting things when the editor gains focus.
- javascript-hint addon: Also complete non-enumerable properties.
- The
addOverlay
method now supports apriority
option to control the order in which overlays are applied. - MIME types that end in
+json
now default to the JSON mode when the MIME itself is not defined. - The mode formerly known as Jade was renamed to Pug.
- The Python mode now defaults to Python 3 (rather than 2) syntax.
19-07-2016: Version 5.17.0:
- Fix problem with wrapped trailing whitespace displaying incorrectly.
- Prevent IME dialog from overlapping typed content in Chrome.
- Improve measuring of characters near a line wrap.
- javascript mode: Improve support for
async
, allow trailing commas inimport
lists. - vim bindings: Fix backspace in replace mode.
- sublime bindings: Fix some key bindings on OS X to match Sublime Text.
- markdown mode: Add more classes to image links in highlight-formatting mode.
20-06-2016: Version 5.16.0:
- Fix glitches when dragging content caused by the drop indicator receiving mouse events.
- Make Control-drag work on Firefox.
- Make clicking or selection-dragging at the end of a wrapped line select the right position.
- show-hint addon: Prevent widget scrollbar from hiding part of the hint text.
- rulers addon: Prevent rulers from forcing a horizontal editor scrollbar.
- search addon: Automatically bind search-related keys in persistent dialog.
- sublime keymap: Add a multi-cursor aware smart backspace binding.
20-05-2016: Version 5.15.2:
- Fix a critical document corruption bug that occurs when a document is gradually grown.
20-05-2016: Version 5.15.0:
- Fix bug that caused the selection to reset when focusing the editor in contentEditable input mode.
- Fix issue where not all ASCII control characters were being replaced by placeholders.
- Remove the assumption that all modes have a
startState
method from several wrapping modes. - Fix issue where the editor would complain about overlapping collapsed ranges when there weren't any.
- Optimize document tree building when loading or pasting huge chunks of content.
- Explicitly bind Ctrl-O on OS X to make that binding (“open line”) act as expected.
- Pasting linewise-copied content when there is no selection now inserts the lines above the current line.
- markdown mode: Fix several issues in matching link targets.
- clike mode: Improve indentation of C++ template declarations.
- javascript mode: Support
async
/await
and improve support for TypeScript type syntax.
20-04-2016: Version 5.14.0:
posFromIndex
andindexFromPos
now takelineSeparator
into account- vim bindings: Only call
.save()
when it is actually available - comment addon: Be careful not to mangle multi-line strings
- Python mode: Improve distinguishing of decorators from
@
operators findMarks
: No longer return marks that touch but don't overlap given range- vim bindings: Add yank command
- match-highlighter addon: Add
trim
option to disable ignoring of whitespace - PowerShell mode: Added
- Yacas mode: Added
- Web IDL mode: Added
- SAS mode: Added
- mbox mode: Added
- Full list of patches
21-03-2016: Version 5.13.2:
- Solves a problem where the gutter would sometimes not extend all the way to the end of the document.
21-03-2016: Version 5.13:
- New DOM event forwarded:
"dragleave"
. - protobuf mode: Newly added.
- Fix problem where
findMarks
sometimes failed to find multi-line marks. - Fix crash that showed up when atomic ranges and bidi text were combined.
- show-hint addon: Completion widgets no longer close when the line indented or dedented.
- merge addon: Fix bug when merging chunks at the end of the file.
- placeholder addon: No longer gets confused by
swapDoc
. - simplescrollbars addon: Fix invalid state when deleting at end of document.
- clike mode: No longer gets confused when a comment starts after an operator.
- markdown mode: Now supports CommonMark-style flexible list indentation.
- dylan mode: Several improvements and fixes.
- Full list of patches
19-02-2016: Version 5.12:
- Vim bindings: Ctrl-Q is now an alias for Ctrl-V.
- Vim bindings: The Vim API now exposes an
unmap
method to unmap bindings. - active-line addon: This addon can now style the active line's gutter.
- FCL mode: Newly added.
- SQL mode: Now has a Postgresql dialect.
- Fix issue where trying to scroll to a horizontal position outside of the document's width could cause the gutter to be positioned incorrectly.
- Use absolute, rather than fixed positioning in the context-menu intercept hack, to work around a problem when the editor is inside a transformed parent container.
- Solve a problem where the horizontal scrollbar could hide text in Firefox.
- Fix a bug that caused phantom scroll space under the text in some situations.
- Sublime Text bindings: Bind delete-line to Shift-Ctrl-K on OS X.
- Markdown mode: Fix issue where the mode would keep state related to fenced code blocks in an unsafe way, leading to occasional corrupted parses.
- Markdown mode: Ignore backslashes in code fragments.
- Markdown mode: Use whichever mode is registered as
text/html
to parse HTML. - Clike mode: Improve indentation of Scala
=>
functions. - Python mode: Improve indentation of bracketed code.
- HTMLMixed mode: Support multi-line opening tags for sub-languages (
<script>
,<style>
, etc). - Spreadsheet mode: Fix bug where the mode did not advance the stream when finding a backslash.
- XML mode: The mode now takes a
matchClosing
option to configure whether mismatched closing tags should be highlighted as errors.
20-01-2016: Version 5.11:
- New modes: JSX, literate Haskell
- The editor now forwards more DOM events:
cut
,copy
,paste
, andtouchstart
. It will also forwardmousedown
for drag events - Fixes a bug where bookmarks next to collapsed spans were not rendered
- The Swift mode now supports auto-indentation
- Frontmatters in the YAML frontmatter mode are now optional as intended
- Full list of patches
21-12-2015: Version 5.10:
- Modify the way atomic ranges are skipped by selection to try and make it less surprising.
- The Swift mode was rewritten.
- New addon: jump-to-line.
- New method:
isReadOnly
. - The show-hint addon now defaults to picking completions on single click.
- The object passed to
"beforeSelectionChange"
events now has anorigin
property. - New mode: Crystal.
- Full list of patches
23-11-2015: Version 5.9:
- Improve the way overlay (OS X-style) scrollbars are handled
- Make annotatescrollbar and scrollpastend addons work properly together
- Make show-hint addon select options on single click by default, move selection to hovered item
- Properly fold comments that include block-comment-start markers
- Many small language mode fixes
- Full list of patches
20-10-2015: Version 5.8:
- Fixes an infinite loop in the hardwrap addon
- New modes: NSIS, Ceylon
- The Kotlin mode is now a clike dialect, rather than a stand-alone mode
- New option:
allowDropFileTypes
. Binary files can no longer be dropped into CodeMirror - New themes: bespin, hopscotch, isotope, railscasts
- Full list of patches
20-09-2015: Version 5.7:
- New modes: Vue, Oz, MscGen (and dialects), Closure Stylesheets
- Implement CommonMark-style flexible list indent and cross-line code spans in Markdown mode
- Add a replace-all button to the search addon, and make the persistent search dialog transparent when it obscures the match
- Handle
acync
/await
and ocal and binary numbers in JavaScript mode - Fix various issues with the Haxe mode
- Make the closebrackets addon select only the wrapped text when wrapping selection in brackets
- Tokenize properties as properties in the CoffeeScript mode
- The placeholder addon now accepts a DOM node as well as a string placeholder
- Full list of patches
20-08-2015: Version 5.6:
- Fix bug where you could paste into a
readOnly
editor - Show a cursor at the drop location when dragging over the editor
- The Rust mode was rewritten to handle modern Rust
- The editor and theme CSS was cleaned up. Some selectors are now less specific than before
- New theme: abcdef
- Lines longer than
maxHighlightLength
are now less likely to mess up indentation - New addons:
autorefresh
for refreshing an editor the first time it becomes visible, andhtml-lint
for using HTMLHint - The
search
addon now recognizes\r
and\n
in pattern and replacement input - Full list of patches
20-07-2015: Version 5.5:
- New option:
lineSeparator
(with corresponding method) - New themes: dracula, seti, yeti, material, and icecoder
- New modes: Brainfuck, VHDL, Squirrel (clike dialect)
- Define a
findPersistent
command in the search addon, for a dialog that stays open as you cycle through matches - From this release on, the NPM module doesn't include documentation and demos
- Full list of patches
25-06-2015: Version 5.4:
- New modes: Twig, Elm, Factor, Swift
- Prefer clipboard API (if available) when pasting
- Refined definition highlighting in clike mode
- Full list of patches
20-05-2015: Version 5.3:
- Fix several regressions in the
show-hint
addon (completeSingle
option,"shown"
and"close"
events) - The vim mode API was documented
- New modes: ASN.1, TTCN, and TTCN-CFG
- The clike mode can now deep-indent
switch
statements, and roughly recognizes types and defined identifiers - Full list of patches
20-04-2015: Version 5.2:
- Fix several race conditions
in
show-hint
's asynchronous mode - Fix backspace binding in Sublime bindings
- Change the way IME is handled in the
"textarea"
input style - New modes: MUMPS, Handlebars
- Rewritten modes: Django, Z80
- New theme: Liquibyte
- New option:
lineWiseCopyCut
- The Vim mode now supports buffer-local options and the
filetype
setting - Full list of patches
23-03-2015: Version 5.1:
- New modes: ASCII armor (PGP data), Troff, and CMake.
- Remove SmartyMixed mode, rewrite Smarty mode to supersede it.
- New commands in the merge
addon:
goNextDiff
andgoPrevDiff
. - The closebrackets addon can now be configured per mode.
- Full list of patches.
20-02-2015: Version 5.0:
- Experimental mobile support (tested on iOS, Android Chrome, stock Android browser)
- New option
inputStyle
to switch between hidden textarea and contenteditable input. - The
getInputField
method is no longer guaranteed to return a textarea. - Full list of patches.
Version 4.x
20-02-2015: Version 4.13:
- Fix the way the
closetag
demo handles the slash character. - New modes: Forth, Stylus.
- Make the CSS mode understand some modern CSS extensions.
- Have the Scala mode handle symbols and triple-quoted strings.
- Full list of patches.
22-01-2015: Version 4.12:
- The
closetag
addon now defines a"closeTag"
command. - Adds a
findModeByFileName
to the mode metadata addon. - Simple mode rules can
now contain a
sol
property to only match at the start of a line. - New
addon:
selection-pointer
to style the mouse cursor over the selection. - Improvements to the Sass mode's indentation.
- The Vim keymap's search functionality now supports scrollbar annotation.
- Full list of patches.
9-01-2015: Version 4.11:
Unfortunately, 4.10 did not take care of the Firefox scrolling issue entirely. This release adds two more patches to address that.
29-12-2014: Version 4.10:
Emergency single-patch update to 4.9. Fixes Firefox-specific problem where the cursor could end up behind the horizontal scrollbar.
23-12-2014: Version 4.9:
- Overhauled scroll bar handling. Add pluggable scrollbar implementations.
- Tweaked behavior for the completion addons to not take text after cursor into account.
- Two new optional features in the merge addon: aligning editors, and folding unchanged text.
- New modes: Dart, EBNF, spreadsheet, and Soy.
- New addon to show persistent panels below/above an editor.
- New themes: zenburn and tomorrow night bright.
- Allow ctrl-click to clear existing cursors.
- Full list of patches.
22-11-2014: Version 4.8:
- Built-in support for multi-stroke key bindings.
- New method:
getLineTokens
. - New modes: dockerfile, IDL, Objective C (crude).
- Support styling of gutter backgrounds, allow
"gutter"
styles inaddLineClass
. - Many improvements to the Vim mode, rewritten visual mode.
- Improvements to modes: gfm (strikethrough), SPARQL (version 1.1 support), and sTeX (no more runaway math mode).
- Full list of patches.
20-10-2014: Version 4.7:
- Incompatible: The lint addon now passes the editor's value as first argument to asynchronous lint functions, for consistency. The editor is still passed, as fourth argument.
- Improved handling of unicode identifiers in modes for languages that support them.
- More mode improvements: CoffeeScript (indentation), Verilog (indentation), Scala (indentation, triple-quoted strings), and PHP (interpolated variables in heredoc strings).
- New modes: Textile and Tornado templates.
- Experimental new way to define modes.
- Improvements to the Vim bindings: Arbitrary insert mode key mappings are now possible, and text objects are supported in visual mode.
- The mode meta-information file
now includes information about file extensions,
and helper
functions
findModeByMIME
andfindModeByExtension
. - New logo!
- Full list of patches.
19-09-2014: Version 4.6:
- New mode: Modelica
- New method:
findWordAt
- Make it easier to use text background styling
- Full list of patches.
21-08-2014: Version 4.5:
- Fix several serious bugs with horizontal scrolling
- New mode: Slim
- New command:
goLineLeftSmart
- More fixes and extensions for the Vim visual block mode
- Full list of patches.
21-07-2014: Version 4.4:
- Note: Some events might now fire in slightly
different order (
"change"
is still guaranteed to fire before"cursorActivity"
) - Nested operations in multiple editors are now synced (complete at same time, reducing DOM reflows)
- Visual block mode for vim (<C-v>) is nearly complete
- New mode: Kotlin
- Better multi-selection paste for text copied from multiple CodeMirror selections
- Full list of patches.
23-06-2014: Version 4.3:
- Several vim bindings
improvements: search and exCommand history, global flag
for
:substitute
,:global
command. - Allow hiding the cursor by
setting
cursorBlinkRate
to a negative value. - Make gutter markers themeable, use this in foldgutter.
- Full list of patches.
19-05-2014: Version 4.2:
- Fix problem where some modes were broken by the fact that empty tokens were forbidden.
- Several fixes to context menu handling.
- On undo, scroll change, not cursor, into view.
- Rewritten Jade mode.
- Various improvements to Shell (support for more syntax) and Python (better indentation) modes.
- New mode: Cypher.
- New theme: Neo.
- Support direct styling options (color, line style, width) in the rulers addon.
- Recognize per-editor configuration for the show-hint and foldcode addons.
- More intelligent scanning for existing close tags in closetag addon.
- In the Vim bindings: Fix bracket matching, support case conversion in visual mode, visual paste, append action.
- Full list of patches.
22-04-2014: Version 4.1:
- Slightly incompatible:
The
"cursorActivity"
event now fires after all other events for the operation (and only for handlers that were actually registered at the time the activity happened). - New command:
insertSoftTab
. - New mode: Django.
- Improved modes: Verilog (rewritten), Jinja2, Haxe, PHP (string interpolation highlighted), JavaScript (indentation of trailing else, template strings), LiveScript (multi-line strings).
- Many small issues from the 3.x→4.x transition were found and fixed.
- Full list of patches.
20-03-2014: Version 4.0:
This is a new major version of CodeMirror. There are a few incompatible changes in the API. Upgrade with care, and read the upgrading guide.
- Multiple selections (ctrl-click, alt-drag, API).
- Sublime Text bindings.
- Module loader shims wrapped around all modules.
- Selection undo/redo.
- Improved character measuring (faster, handles wrapped lines more robustly).
- Full list of patches.
Version 3.x
22-04-2014: Version 3.24:
Merges the improvements from 4.1 that could easily be applied to the 3.x code. Also improves the way the editor size is updated when line widgets change.
20-03-2014: Version 3.23:
- In the XML mode,
add
brackets
style to angle brackets, fix case-sensitivity of tags for HTML. - New mode: Dylan.
- Many improvements to the Vim bindings.
21-02-2014: Version 3.22:
- Adds the
findMarks
method. - New addons: rulers, markdown-fold, yaml-lint.
- New theme: mdn-like.
- New mode: Solr.
- Full list of patches.
16-01-2014: Version 3.21:
- Auto-indenting a block will no longer add trailing whitespace to blank lines.
- Marking text has a new option
clearWhenEmpty
to control auto-removal. - Several bugfixes in the handling of bidirectional text.
- The XML and CSS modes were largely rewritten. LESS support was added to the CSS mode.
- The OCaml mode was moved to an mllike mode, F# support added.
- Make it possible to fetch multiple applicable helper values with
getHelpers
, and to register helpers matched on predicates withregisterGlobalHelper
. - New theme pastel-on-dark.
- Better ECMAScript 6 support in JavaScript mode.
- Full list of patches.
21-11-2013: Version 3.20:
- New modes: Julia and PEG.js.
- Support ECMAScript 6 in the JavaScript mode.
- Improved indentation for the CoffeeScript mode.
- Make non-printable-character representation configurable.
- Add ‘notification’ functionality to dialog addon.
- Full list of patches.
21-10-2013: Version 3.19:
- New modes: Eiffel, Gherkin, MSSQL dialect.
- New addons: hardwrap, sql-hint.
- New theme: MBO.
- Add support for line-level styling from mode tokenizers.
- Full list of patches.
23-09-2013: Version 3.18:
Emergency release to fix a problem in 3.17
where .setOption("lineNumbers", false)
would raise an
error.
23-09-2013: Version 3.17:
- New modes: Fortran, Octave (Matlab), TOML, and DTD.
- New addons:
css-lint
,css-hint
. - Improve resilience to CSS 'frameworks' that globally mess up
box-sizing
. - Full list of patches.
21-08-2013: Version 3.16:
- The whole codebase is now under a single license file.
- The project page was overhauled and redesigned.
- New themes: Paraiso (light), The Matrix.
- Improved interaction between themes and active-line/matchbrackets addons.
- New folding function
CodeMirror.fold.comment
. - Added fullscreen addon.
- Full list of patches.
29-07-2013: Version 3.15:
- New modes: Jade, Nginx.
- New addons: Tern, matchtags, and foldgutter.
- Introduced helper concept (context).
- New method:
getModeAt
. - New themes: base16 dark/light, 3024 dark/light, tomorrow-night.
- Full list of patches.
20-06-2013: Version 3.14:
- New addons: trailing space highlight, XML completion (rewritten), and diff merging.
markText
andaddLineWidget
now take ahandleMouseEvents
option.- New methods:
lineAtHeight
,getTokenTypeAt
. - More precise cleanness-tracking
using
changeGeneration
andisClean
. - Many extensions to Emacs mode (prefixes, more navigation units, and more).
- New
events
"keyHandled"
and"inputRead"
. - Various improvements to Ruby, Smarty, SQL, and Vim modes.
- Full list of patches.
20-05-2013: Version 3.13:
- New modes: COBOL and HAML.
- New options:
cursorScrollMargin
andcoverGutterNextToScrollbar
. - New addon: commenting.
- More features added to the Vim keymap.
- Full list of patches.
19-04-2013: Version 3.12:
- New mode: GNU assembler.
- New
options:
maxHighlightLength
andhistoryEventDelay
. - Added
addToHistory
option formarkText
. - Various fixes to JavaScript tokenization and indentation corner cases.
- Further improvements to the vim mode.
- Full list of patches.
20-03-2013: Version 3.11:
- Removed code:
collapserange
,formatting
, andsimple-hint
addons.plsql
andmysql
modes (usesql
mode). - Moved code: the range-finding functions for folding now have their own files.
- Changed interface:
the
continuecomment
addon now exposes an option, rather than a command. - New modes: SCSS, Tcl, LiveScript, and mIRC.
- New addons:
placeholder
, HTML completion. - New
methods:
hasFocus
,defaultCharWidth
. - New events:
beforeCursorEnter
,renderLine
. - Many improvements to the
show-hint
completion dialog addon. - Tweak behavior of by-word cursor motion.
- Further improvements to the vim mode.
- Full list of patches.
21-02-2013: Version 3.1:
- Incompatible: key handlers may
now return, rather
than throw
CodeMirror.Pass
to signal they didn't handle the key. - Make documents a first-class construct, support split views and subviews.
- Add a new module
for showing completion hints.
Deprecate
simple-hint.js
. - Extend htmlmixed mode to allow custom handling of script types.
- Support an
insertLeft
option tosetBookmark
. - Add an
eachLine
method to iterate over a document. - New addon modules: selection marking, linting, and automatic bracket closing.
- Add
"beforeChange"
and"beforeSelectionChange"
events. - Add
"hide"
and"unhide"
events to marked ranges. - Fix
coordsChar
's interpretation of its argument to match the documentation. - New modes: Turtle and Q.
- Further improvements to the vim mode.
- Full list of patches.
25-01-2013: Version 3.02:
Single-bugfix release. Fixes a problem that prevents CodeMirror instances from being garbage-collected after they become unused.
21-01-2013: Version 3.01:
- Move all add-ons into an organized directory structure
under
/addon
. You might have to adjust your paths. - New modes: D, Sass, APL, SQL (configurable), and Asterisk.
- Several bugfixes in right-to-left text support.
- Add
rtlMoveVisually
option. - Improvements to vim keymap.
- Add built-in (lightweight) overlay mode support.
- Support
showIfHidden
option for line widgets. - Add simple Python hinter.
- Bring back the
fixedGutter
option. - Full list of patches.
10-12-2012: Version 3.0:
New major version. Only partially backwards-compatible. See the upgrading guide for more information. Changes since release candidate 2:
- Rewritten VIM mode.
- Fix a few minor scrolling and sizing issues.
- Work around Safari segfault when dragging.
- Full list of patches.
20-11-2012: Version 3.0, release candidate 2:
- New mode: HTTP.
- Improved handling of selection anchor position.
- Improve IE performance on longer lines.
- Reduce gutter glitches during horiz. scrolling.
- Add
addKeyMap
andremoveKeyMap
methods. - Rewrite
formatting
andclosetag
add-ons. - Full list of patches.
20-11-2012: Version 3.0, release candidate 1:
- New theme: Solarized.
- Introduce
addLineClass
andremoveLineClass
, dropsetLineClass
. - Add a lot of new options for marked text (read-only, atomic, collapsed, widget replacement).
- Remove the old code folding interface in favour of these new ranges.
- Add
isClean
/markClean
methods. - Remove
compoundChange
method, use better undo-event-combining heuristic. - Improve scrolling performance smoothness.
- Full list of patches.
22-10-2012: Version 3.0, beta 2:
- Fix page-based coordinate computation.
- Fix firing of
gutterClick
event. - Add
cursorHeight
option. - Fix bi-directional text regression.
- Add
viewportMargin
option. - Directly handle mousewheel events (again, hopefully better).
- Make vertical cursor movement more robust (through widgets, big line gaps).
- Add
flattenSpans
option. - Many optimizations. Poor responsiveness should be fixed.
- Initialization in hidden state works again.
- Full list of patches.
19-09-2012: Version 3.0, beta 1:
- Bi-directional text support.
- More powerful gutter model.
- Support for arbitrary text/widget height.
- In-line widgets.
- Generalized event handling.
Version 2.x
21-01-2013: Version 2.38:
Integrate some bugfixes, enhancements to the vim keymap, and new modes (D, Sass, APL) from the v3 branch.
20-12-2012: Version 2.37:
- New mode: SQL (will replace plsql and mysql modes).
- Further work on the new VIM mode.
- Fix Cmd/Ctrl keys on recent Operas on OS X.
- Full list of patches.
20-11-2012: Version 2.36:
- New mode: Z80 assembly.
- New theme: Twilight.
- Add command-line compression helper.
- Make
scrollIntoView
public. - Add
defaultTextHeight
method. - Various extensions to the vim keymap.
- Make PHP mode build on mixed HTML mode.
- Add comment-continuing add-on.
- Full list of patches.
22-10-2012: Version 2.35:
- New (sub) mode: TypeScript.
- Don't overwrite (insert key) when pasting.
- Fix several bugs in
markText
/undo interaction. - Better indentation of JavaScript code without semicolons.
- Add
defineInitHook
function. - Full list of patches.
19-09-2012: Version 2.34:
- New mode: Common Lisp.
- Fix right-click select-all on most browsers.
- Change the way highlighting happens:
Saves memory and CPU cycles.
compareStates
is no longer needed.
onHighlightComplete
no longer works. - Integrate mode (Markdown, XQuery, CSS, sTex) tests in central testsuite.
- Add a
CodeMirror.version
property. - More robust handling of nested modes in formatting and closetag plug-ins.
- Un/redo now preserves marked text and bookmarks.
- Full list of patches.
23-08-2012: Version 2.33:
- New mode: Sieve.
- New
getViewPort
andonViewportChange
API. - Configurable cursor blink rate.
- Make binding a key to
false
disabling handling (again). - Show non-printing characters as red dots.
- More tweaks to the scrolling model.
- Expanded testsuite. Basic linter added.
- Remove most uses of
innerHTML
. RemoveCodeMirror.htmlEscape
. - Full list of patches.
23-07-2012: Version 2.32:
Emergency fix for a bug where an editor with line wrapping on IE will break when there is no scrollbar.
20-07-2012: Version 2.31:
- New modes: OCaml, Haxe, and VB.NET.
- Several fixes to the new scrolling model.
- Add a
setSize
method for programmatic resizing. - Add
getHistory
andsetHistory
methods. - Allow custom line separator string in
getValue
andgetRange
. - Support double- and triple-click drag, double-clicking whitespace.
- And more... (all patches)
22-06-2012: Version 2.3:
- New scrollbar implementation. Should flicker less. Changes DOM structure of the editor.
- New theme: vibrant-ink.
- Many extensions to the VIM keymap (including text objects).
- Add mode-multiplexing utility script.
- Fix bug where right-click paste works in read-only mode.
- Add a
getScrollInfo
method. - Lots of other fixes.
23-05-2012: Version 2.25:
- New mode: Erlang.
- Remove xmlpure mode (use xml.js).
- Fix line-wrapping in Opera.
- Fix X Windows middle-click paste in Chrome.
- Fix bug that broke pasting of huge documents.
- Fix backspace and tab key repeat in Opera.
23-04-2012: Version 2.24:
- Drop support for Internet Explorer 6.
- New modes: Shell, Tiki wiki, Pig Latin.
- New themes: Ambiance, Blackboard.
- More control over drag/drop
with
dragDrop
andonDragEvent
options. - Make HTML mode a bit less pedantic.
- Add
compoundChange
API method. - Several fixes in undo history and line hiding.
- Remove (broken) support for
catchall
in key maps, addnofallthrough
boolean field instead.
26-03-2012: Version 2.23:
- Change default binding for tab [more]
- New modes: XQuery and VBScript.
- Two new themes: lesser-dark and xq-dark.
- Differentiate between background and text styles in
setLineClass
. - Fix drag-and-drop in IE9+.
- Extend
charCoords
andcursorCoords
with amode
argument. - Add
autofocus
option. - Add
findMarksAt
method.
27-02-2012: Version 2.22:
- Allow key handlers to pass up events, allow binding characters.
- Add
autoClearEmptyLines
option. - Properly use tab stops when rendering tabs.
- Make PHP mode more robust.
- Support indentation blocks in code folder.
- Add a script for highlighting instances of the selection.
- New .properties mode.
- Fix many bugs.
27-01-2012: Version 2.21:
- Added LESS, MySQL, Go, and Verilog modes.
- Add
smartIndent
option. - Support a cursor in
readOnly
-mode. - Support assigning multiple styles to a token.
- Use a new approach to drawing the selection.
- Add
scrollTo
method. - Allow undo/redo events to span non-adjacent lines.
- Lots and lots of bugfixes.
20-12-2011: Version 2.2:
- Slightly incompatible API changes. Read this.
- New approach to binding keys, support for custom bindings.
- Support for overwrite (insert).
- Custom-width and stylable tabs.
- Moved more code into add-on scripts.
- Support for sane vertical cursor movement in wrapped lines.
- More reliable handling of editing marked text.
- Add minimal emacs and vim bindings.
- Rename
coordsFromIndex
toposFromIndex
, addindexFromPos
method.
21-11-2011: Version 2.18:
Fixes TextMarker.clear
, which is broken in 2.17.
21-11-2011: Version 2.17:
- Add support for line wrapping and code folding.
- Add Github-style Markdown mode.
- Add Monokai and Rubyblue themes.
- Add
setBookmark
method. - Move some of the demo code into reusable components
under
lib/util
. - Make screen-coord-finding code faster and more reliable.
- Fix drag-and-drop in Firefox.
- Improve support for IME.
- Speed up content rendering.
- Fix browser's built-in search in Webkit.
- Make double- and triple-click work in IE.
- Various fixes to modes.
27-10-2011: Version 2.16:
- Add Perl, Rust, TiddlyWiki, and Groovy modes.
- Dragging text inside the editor now moves, rather than copies.
- Add a
coordsFromIndex
method. - API change:
setValue
now no longer clears history. UseclearHistory
for that. - API change:
markText
now returns an object withclear
andfind
methods. Marked text is now more robust when edited. - Fix editing code with tabs in Internet Explorer.
26-09-2011: Version 2.15:
Fix bug that snuck into 2.14: Clicking the character that currently has the cursor didn't re-focus the editor.
26-09-2011: Version 2.14:
- Add Clojure, Pascal, NTriples, Jinja2, and Markdown modes.
- Add Cobalt and Eclipse themes.
- Add a
fixedGutter
option. - Fix bug with
setValue
breaking cursor movement. - Make gutter updates much more efficient.
- Allow dragging of text out of the editor (on modern browsers).
23-08-2011: Version 2.13:
- Add Ruby, R, CoffeeScript, and Velocity modes.
- Add
getGutterElement
to API. - Several fixes to scrolling and positioning.
- Add
smartHome
option. - Add an experimental pure XML mode.
25-07-2011: Version 2.12:
- Add a SPARQL mode.
- Fix bug with cursor jumping around in an unfocused editor in IE.
- Allow key and mouse events to bubble out of the editor. Ignore widget clicks.
- Solve cursor flakiness after undo/redo.
- Fix block-reindent ignoring the last few lines.
- Fix parsing of multi-line attrs in XML mode.
- Use
innerHTML
for HTML-escaping. - Some fixes to indentation in C-like mode.
- Shrink horiz scrollbars when long lines removed.
- Fix width feedback loop bug that caused the width of an inner DIV to shrink.
04-07-2011: Version 2.11:
- Add a Scheme mode.
- Add a
replace
method to search cursors, for cursor-preserving replacements. - Make the C-like mode mode more customizable.
- Update XML mode to spot mismatched tags.
- Add
getStateAfter
API andcompareState
mode API methods for finer-grained mode magic. - Add a
getScrollerElement
API method to manipulate the scrolling DIV. - Fix drag-and-drop for Firefox.
- Add a C# configuration for the C-like mode.
- Add full-screen editing and mode-changing demos.
07-06-2011: Version 2.1:
Add a theme system (demo). Note that this is not backwards-compatible—you'll have to update your styles and modes!
07-06-2011: Version 2.02:
- Add a Lua mode.
- Fix reverse-searching for a regexp.
- Empty lines can no longer break highlighting.
- Rework scrolling model (the outer wrapper no longer does the scrolling).
- Solve horizontal jittering on long lines.
- Add runmode.js.
- Immediately re-highlight text when typing.
- Fix problem with 'sticking' horizontal scrollbar.
26-05-2011: Version 2.01:
- Add a Smalltalk mode.
- Add a reStructuredText mode.
- Add a Python mode.
- Add a PL/SQL mode.
coordsChar
now works- Fix a problem where
onCursorActivity
interfered withonChange
. - Fix a number of scrolling and mouse-click-position glitches.
- Pass information about the changed lines to
onChange
. - Support cmd-up/down on OS X.
- Add triple-click line selection.
- Don't handle shift when changing the selection through the API.
- Support
"nocursor"
mode forreadOnly
option. - Add an
onHighlightComplete
option. - Fix the context menu for Firefox.
28-03-2011: Version 2.0:
CodeMirror 2 is a complete rewrite that's faster, smaller, simpler to use, and less dependent on browser quirks. See this and this for more information.
22-02-2011: Version 2.0 beta 2:
Somewhat more mature API, lots of bugs shaken out.
17-02-2011: Version 0.94:
tabMode: "spaces"
was modified slightly (now indents when something is selected).- Fixes a bug that would cause the selection code to break on some IE versions.
- Disabling spell-check on WebKit browsers now works.
08-02-2011: Version 2.0 beta 1:
CodeMirror 2 is a complete rewrite of CodeMirror, no longer depending on an editable frame.
19-01-2011: Version 0.93:
- Added a Regular Expression parser.
- Fixes to the PHP parser.
- Support for regular expression in search/replace.
- Add
save
method to instances created withfromTextArea
. - Add support for MS T-SQL in the SQL parser.
- Support use of CSS classes for highlighting brackets.
- Fix yet another hang with line-numbering in hidden editors.
Version 0.x
28-03-2011: Version 1.0:
- Fix error when debug history overflows.
- Refine handling of C# verbatim strings.
- Fix some issues with JavaScript indentation.
17-12-2010: Version 0.92:
- Make CodeMirror work in XHTML documents.
- Fix bug in handling of backslashes in Python strings.
- The
styleNumbers
option is now officially supported and documented. onLineNumberClick
option added.- More consistent names
onLoad
andonCursorActivity
callbacks. Old names still work, but are deprecated. - Add a Freemarker mode.
11-11-2010: Version 0.91:
- Adds support for Java.
- Small additions to the PHP and SQL parsers.
- Work around various Webkit issues.
- Fix
toTextArea
to update the code in the textarea. - Add a
noScriptCaching
option (hack to ease development). - Make sub-modes of HTML mixed mode configurable.
02-10-2010: Version 0.9:
- Add support for searching backwards.
- There are now parsers for Scheme, XQuery, and OmetaJS.
- Makes
height: "dynamic"
more robust. - Fixes bug where paste did not work on OS X.
- Add a
enterMode
andelectricChars
options to make indentation even more customizable. - Add
firstLineNumber
option. - Fix bad handling of
@media
rules by the CSS parser. - Take a new, more robust approach to working around the invisible-last-line bug in WebKit.
22-07-2010: Version 0.8:
- Add a
cursorCoords
method to find the screen coordinates of the cursor. - A number of fixes and support for more syntax in the PHP parser.
- Fix indentation problem with JSON-mode JS parser in Webkit.
- Add a minification UI.
- Support a
height: dynamic
mode, where the editor's height will adjust to the size of its content. - Better support for IME input mode.
- Fix JavaScript parser getting confused when seeing a no-argument function call.
- Have CSS parser see the difference between selectors and other identifiers.
- Fix scrolling bug when pasting in a horizontally-scrolled editor.
- Support
toTextArea
method in instances created withfromTextArea
. - Work around new Opera cursor bug that causes the cursor to jump when pressing backspace at the end of a line.
27-04-2010: Version 0.67:
More consistent page-up/page-down behaviour
across browsers. Fix some issues with hidden editors looping forever
when line-numbers were enabled. Make PHP parser parse
"\\"
correctly. Have jumpToLine
work on
line handles, and add cursorLine
function to fetch the
line handle where the cursor currently is. Add new
setStylesheet
function to switch style-sheets in a
running editor.
01-03-2010: Version 0.66:
Adds removeLine
method to API.
Introduces the PLSQL parser.
Marks XML errors by adding (rather than replacing) a CSS class, so
that they can be disabled by modifying their style. Fixes several
selection bugs, and a number of small glitches.
12-11-2009: Version 0.65:
Add support for having both line-wrapping and
line-numbers turned on, make paren-highlighting style customisable
(markParen
and unmarkParen
config
options), work around a selection bug that Opera
reintroduced in version 10.
23-10-2009: Version 0.64:
Solves some issues introduced by the
paste-handling changes from the previous release. Adds
setSpellcheck
, setTextWrapping
,
setIndentUnit
, setUndoDepth
,
setTabMode
, and setLineNumbers
to
customise a running editor. Introduces an SQL parser. Fixes a few small
problems in the Python
parser. And, as usual, add workarounds for various newly discovered
browser incompatibilities.
31-08-2009: Version 0.63:
Overhaul of paste-handling (less fragile), fixes for several serious IE8 issues (cursor jumping, end-of-document bugs) and a number of small problems.
30-05-2009: Version 0.62:
Introduces Python
and Lua parsers. Add
setParser
(on-the-fly mode changing) and
clearHistory
methods. Make parsing passes time-based
instead of lines-based (see the passTime
option).