CodeMirror

Version 5.x

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, and lineInfo methods are now available on Doc 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 and elsif 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 working codemirror.js until you npm 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 and focus 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 a priority 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 in import 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 and indexFromPos now take lineSeparator 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, and touchstart. It will also forward mousedown 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 an origin 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, and html-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 and goPrevDiff.
• 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 in addLineClass.
• 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 and findModeByExtension.
• 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.