2.34.0

• 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.

2.33.0

• New mode: Sieve.
• New getViewPort and onViewportChange 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. Remove CodeMirror.htmlEscape.
• Full list of patches.

2.32.0

Emergency fix for a bug where an editor with line wrapping on IE will break when there is no scrollbar.

2.31.0

• New modes: OCaml, Haxe, and VB.NET.
• Several fixes to the new scrolling model.
• Add a setSize method for programmatic resizing.
• Add getHistory and setHistory methods.
• Allow custom line separator string in getValue and getRange.
• Support double- and triple-click drag, double-clicking whitespace.
• And more... (all patches)

2.3.0

• 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.

2.25.0

• 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.

2.24.0

• Drop support for Internet Explorer 6.
• New modes: Shell, Tiki wiki, Pig Latin.
• New themes: Ambiance, Blackboard.
• More control over drag/drop with dragDrop and onDragEvent 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, add nofallthrough boolean field instead.

2.23.0

• Change default binding for tab [more]

Starting in 2.23, these bindings are default: - Tab: Insert tab character - Shift-tab: Reset line indentation to default - Ctrl/Cmd-[: Reduce line indentation (old tab behaviour) - Ctrl/Cmd-]: Increase line indentation (old shift-tab behaviour)

- New modes: [XQuery](http://codemirror.net/mode/xquery/index.html) and [VBScript](http://codemirror.net/mode/vbscript/index.html). - Two new themes: [lesser-dark](http://codemirror.net/mode/less/index.html) and [xq-dark](http://codemirror.net/mode/xquery/index.html). - Differentiate between background and text styles in [`setLineClass`](http://codemirror.net/doc/manual.html#setLineClass). - Fix drag-and-drop in IE9+. - Extend [`charCoords`](http://codemirror.net/doc/manual.html#charCoords) and [`cursorCoords`](http://codemirror.net/doc/manual.html#cursorCoords) with a `mode` argument. - Add [`autofocus`](http://codemirror.net/doc/manual.html#option_autofocus) option. - Add [`findMarksAt`](http://codemirror.net/doc/manual.html#findMarksAt) method.

2.22.0

• 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.

2.21.0

• 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.