Version 5.40.2

### Bug fixes

Fix firing of `gutterContextMenu` event on Firefox.

Add `hintWords` (basic completion) helper to [clojure](https://codemirror.net/mode/clojure/index.html), [mllike](https://codemirror.net/mode/mllike/index.html), [julia](https://codemirror.net/mode/julia/), [shell](https://codemirror.net/mode/shell/), and [r](https://codemirror.net/mode/r/) modes.

[clojure mode](https://codemirror.net/mode/clojure/index.html): Clean up and improve.

Version 5.40.0

### Bug fixes

[closebrackets addon](https://codemirror.net/doc/manual.html#addon_closebrackets): Fix issue where bracket-closing wouldn't work before punctuation.

[panel addon](https://codemirror.net/doc/manual.html#addon_panel): Fix problem where replacing the last remaining panel dropped the newly added panel.

[hardwrap addon](https://codemirror.net/doc/manual.html#addon_hardwrap): Fix an infinite loop when the indention is greater than the target column.

[jinja2](https://codemirror.net/mode/jinja2/) and [markdown](https://codemirror.net/mode/markdown/) modes: Add comment metadata.

### New features

New method [`phrase`](https://codemirror.net/doc/manual.html#phrase) and option [`phrases`](https://codemirror.net/doc/manual.html#option_phrases) to make translating UI text in addons easier.

Version 5.39.2

### Bug fixes

Fix issue where when you pass the document as a `Doc` instance to the `CodeMirror` constructor, the `mode` option was ignored.

Fix bug where line height could be computed wrong with a line widget below a collapsed line.

Fix overeager `.npmignore` dropping the `bin/source-highlight` utility from the distribution.

[show-hint addon](http://codemirror.net/doc/manual.html#addon_show-hint): Fix behavior when backspacing to the start of the line with completions open.

Version 3.39.0

### Bug fixes

Fix issue that in some circumstances caused content to be clipped off at the bottom after a resize.

[markdown mode](http://codemirror.net/mode/markdown/): Improve handling of blank lines in HTML tags.

### New features

[stex mode](http://codemirror.net/mode/stex/): Add an `inMathMode` option to start the mode in math mode.

Version 5.38.0

### Bug fixes

Improve reliability of noticing a missing mouseup event during dragging.

Make sure `getSelection` is always called on the correct document.

Fix interpretation of line breaks and non-breaking spaces inserted by renderer in contentEditable mode.

Work around some browsers inexplicably making the fake scrollbars focusable.

Make sure `coordsChar` doesn't return positions inside collapsed ranges.

[javascript mode](http://codemirror.net/mode/javascript/): Support block scopes, bindingless catch, bignum suffix, `s` regexp flag.

[markdown mode](http://codemirror.net/mode/markdown/): Adjust a wasteful regexp.

[show-hint addon](http://codemirror.net/doc/manual.html#addon_show-hint): Allow opening the control without any item selected.

### New features

New theme: [darcula](http://codemirror.net/demo/theme.html#darcula).

[dialog addon](http://codemirror.net/doc/manual.html#addon_dialog): Add a CSS class (`dialog-opened`) to the editor when a dialog is open.

Version 5.37.0

### Bug fixes

Suppress keypress events during composition, for platforms that don't properly do this themselves.

[xml-fold addon](http://codemirror.net/demo/folding.html): Improve handling of line-wrapped opening tags.

[javascript mode](http://codemirror.net/mode/javascript/): Improve TypeScript support.

[python mode](http://codemirror.net/mode/python/): Highlight expressions inside format strings.

### New features

[vim bindings](http://codemirror.net/demo/vim.html): Add support for '(' and ')' movement.

New themes: [idea](http://codemirror.net/demo/theme.html#idea), [ssms](http://codemirror.net/demo/theme.html#ssms), [gruvbox-dark](http://codemirror.net/demo/theme.html#gruvbox-dark).

Version 5.36.0

### Bug fixes

Make sure all document-level event handlers are registered on the document that the editor is part of.

Fix issue that prevented edits whose origin starts with `+` from being combined in history events for an editor-less document.

[multiplex addon](http://codemirror.net/demo/multiplex.html): Improve handling of indentation.

[merge addon](http://codemirror.net/doc/manual.html#addon_merge): Use CSS `:after` element to style the scroll-lock icon.

[javascript-hint addon](http://codemirror.net/doc/manual.html#addon_javascript-hint): Don't provide completions in JSON mode.

[continuelist addon](http://codemirror.net/doc/manual.html#addon_continuelist): Fix numbering error.

[show-hint addon](http://codemirror.net/doc/manual.html#addon_show-hint): Make `fromList` completion strategy act on the current token up to the cursor, rather than the entire token.

[markdown mode](http://codemirror.net/mode/markdown/): Fix a regexp with potentially exponental complexity.

### New features

New theme: [lucario](http://codemirror.net/demo/theme.html#lucario).

Version 5.35.0

### Bug fixes

Fix problem where selection undo might change read-only documents.

Fix crash when calling `addLineWidget` on a document that has no attached editor.

[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Fix behavior of `^` in multiline regexp mode.

[match-highlighter addon](http://codemirror.net/doc/manual.html#addon_match-highlighter): Fix problem with matching words that have regexp special syntax in them.

[sublime bindings](http://codemirror.net/demo/sublime.html): Fix `addCursorToSelection` for short lines.

[javascript mode](http://codemirror.net/mode/javascript/): Support TypeScript intersection types, dynamic `import`.

[stex mode](http://codemirror.net/mode/stex/): Fix parsing of `\(` `\)` delimiters, recognize more atom arguments.

[haskell mode](http://codemirror.net/mode/haskell/): Highlight more builtins, support `<*` and `*>`.

[sql mode](http://codemirror.net/mode/sql/): Make it possible to disable backslash escapes in strings for dialects that don't have them, do this for MS SQL.

[dockerfile mode](http://codemirror.net/mode/dockerfile/): Highlight strings and ports, recognize more instructions.

### New features

[vim bindings](http://codemirror.net/demo/vim.html): Support alternative delimiters in replace command.

Version 5.34.0

### Bug fixes

[markdown mode](http://codemirror.net/mode/markdown/): Fix a problem where inline styles would persist across list items.

[sublime bindings](http://codemirror.net/demo/sublime.html): Fix the `toggleBookmark` command.

[closebrackets addon](http://codemirror.net/doc/manual.html#addon_closebrackets): Improve behavior when closing triple quotes.

[xml-fold addon](http://codemirror.net/demo/folding.html): Fix folding of line-broken XML tags.

[shell mode](http://codemirror.net/mode/shell/): Better handling of nested quoting.

[javascript-lint addon](http://codemirror.net/demo/lint.html): Clean up and simplify.

[matchbrackets addon](http://codemirror.net/doc/manual.html#addon_matchbrackets): Fix support for multiple editors at the same time.

### New features

New themes: [oceanic-next](http://codemirror.net/demo/theme.html#oceanic-next) and [shadowfox](http://codemirror.net/demo/theme.html#shadowfox).

Version 5.33.0

### Bug fixes

[lint addon](http://codemirror.net/doc/manual.html#addon_lint): Make updates more efficient.

[css mode](http://codemirror.net/mode/css/): The mode is now properly case-insensitive.

[continuelist addon](http://codemirror.net/doc/manual.html#addon_continuelist): Fix broken handling of unordered lists introduced in previous release.

[swift](http://codemirror.net/mode/swift) and [scala](http://codemirror.net/mode/clike/) modes: Support nested block comments.

[mllike mode](http://codemirror.net/mode/mllike/index.html): Improve OCaml support.

[sublime bindings](http://codemirror.net/demo/sublime.html): Use the proper key bindings for `addCursorToNextLine` and `addCursorToPrevLine`.

### New features

[jsx mode](http://codemirror.net/mode/jsx/index.html): Support JSX fragments.

[closetag addon](http://codemirror.net/demo/closetag.html): Add an option to disable auto-indenting.

Version 5.32.0

### Bug fixes

Increase contrast on default bracket-matching colors.

[javascript mode](http://codemirror.net/mode/javascript/): Recognize TypeScript type parameters for calls, type guards, and type parameter defaults. Improve handling of `enum` and `module` keywords.

[comment addon](http://codemirror.net/doc/manual.html#addon_comment): Fix bug when uncommenting a comment that spans all but the last selected line.

[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Fix bug in case folding.

[emacs bindings](http://codemirror.net/demo/emacs.html): Prevent single-character deletions from resetting the kill ring.

[closebrackets addon](http://codemirror.net/doc/manual.html#addon_closebrackets): Tweak quote matching behavior.

### New features

[continuelist addon](http://codemirror.net/doc/manual.html#addon_continuelist): Increment ordered list numbers when adding one.

Version 5.31.0

### Bug fixes

Further improve selection drawing and cursor motion in right-to-left documents.

[vim bindings](http://codemirror.net/demo/vim.html): Fix ctrl-w behavior, support quote-dot and backtick-dot marks, make the wide cursor visible in contentEditable [input mode](http://codemirror.net/doc/manual.html#option_contentEditable).

[continuecomment addon](http://codemirror.net/doc/manual.html#addon_continuecomment): Fix bug when pressing enter after a single-line block comment.

[markdown mode](http://codemirror.net/mode/markdown/): Fix issue with leaving indented fenced code blocks.

[javascript mode](http://codemirror.net/mode/javascript/): Fix bad parsing of operators without spaces between them. Fix some corner cases around semicolon insertion and regexps.

### New features

Modes added with [`addOverlay`](http://codemirror.net/doc/manual.html#addOverlay) now have access to a [`baseToken`](http://codemirror.net/doc/manual.html#baseToken) method on their input stream, giving access to the tokens of the underlying mode.

Version 5.30.0

### Bug fixes

Fixed a number of issues with drawing right-to-left selections and mouse selection in bidirectional text.

[search addon](http://codemirror.net/demo/search/): Fix crash when restarting search after doing empty search.

[mark-selection addon](http://cm/doc/manual.html#addon_mark-selection): Fix off-by-one bug.

[tern addon](http://codemirror.net/demo/tern.html): Fix bad request made when editing at the bottom of a large document.

[javascript mode](http://codemirror.net/mode/javascript/): Improve parsing in a number of corner cases.

[markdown mode](http://codemirror.net/mode/markdown/): Fix crash when a sub-mode doesn't support indentation, allow uppercase X in task lists.

[gfm mode](http://codemirror.net/mode/gfm/): Don't highlight SHA1 'hashes' without numbers to avoid false positives.

[soy mode](http://codemirror.net/mode/soy/): Support injected data and `@param` in comments.

### New features

[simple mode addon](http://codemirror.net/demo/simplemode.html): Allow groups in regexps when `token` isn't an array.

Version 5.29.0

### Bug fixes

Fix crash in contentEditable input style when editing near a bookmark.

Make sure change origins are preserved when splitting changes on [read-only marks](http://codemirror.net/doc/manual.html#mark_readOnly).

[javascript mode](http://codemirror.net/mode/javascript/): More support for TypeScript syntax.

[d mode](http://codemirror.net/mode/d/): Support nested comments.

[python mode](http://codemirror.net/mode/python/): Improve tokenizing of operators.

[markdown mode](http://codemirror.net/mode/markdown/): Further improve CommonMark conformance.

[css mode](http://codemirror.net/mode/css/): Don't run comment tokens through the mode's state machine.

[shell mode](http://codemirror.net/mode/shell/): Allow strings to span lines.

[search addon](http://codemirror.net/demo/search/): Fix crash in persistent search when `extraKeys` is null.

Version 5.28.0

### Bug fixes

Fix copying of, or replacing editor content with, a single dash character when copying a big selection in some corner cases.

Make [`"goLineLeft"`](http://codemirror.net/doc/manual.html#command_goLineLeft)/`"goLineRight"` behave better on wrapped lines.

[sql mode](http://codemirror.net/mode/sql/): Fix tokenizing of multi-dot operator and allow digits in subfield names.

[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Fix infinite loop on some composed character inputs.

[markdown mode](http://codemirror.net/mode/markdown/): Make list parsing more CommonMark-compliant.

[gfm mode](http://codemirror.net/mode/gfm/): Highlight colon syntax for emoji.

### New features

Expose [`startOperation`](http://codemirror.net/doc/manual.html#startOperation) and `endOperation` for explicit operation management.

[sublime bindings](http://codemirror.net/demo/sublime.html): Add extend-selection (Ctrl-Alt- or Cmd-Shift-Up/Down).

Version 5.27.4

### Bug fixes

Fix crash when using mode lookahead.

[markdown mode](http://codemirror.net/mode/markdown/): Don't block inner mode's indentation support.

Version 5.27.2

### Bug fixes

Fix crash in the [simple mode](http://codemirror.net/demo/simplemode.html) addon.

Version 5.27.0

### Bug fixes

Fix infinite loop in forced display update.

Properly disable the hidden textarea when `readOnly` is `"nocursor"`.

Calling the `Doc` constructor without `new` works again.

[sql mode](http://codemirror.net/mode/sql/): Handle nested comments.

[javascript mode](http://codemirror.net/mode/javascript/): Improve support for TypeScript syntax.

[markdown mode](http://codemirror.net/mode/markdown/): Fix bug where markup was ignored on indented paragraph lines.

[vim bindings](http://codemirror.net/mode/demo/vim.html): Referencing invalid registers no longer causes an uncaught exception.

[rust mode](http://codemirror.net/mode/rust/): Add the correct MIME type.

[matchbrackets addon](http://codemirror.net/doc/manual.html#addon_matchbrackets): Document options.

### New features

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`](http://codemirror.net/doc/manual.html#option_configureMouse) option.

Modes can now look ahead across line boundaries with the [`StringStream`](http://codemirror.net/doc/manual.html#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`](http://codemirror.net/doc/manual.html#option_pasteLinesPerSelection) option to control the behavior of pasting multiple lines into multiple selections.

[searchcursor addon](http://codemirror.net/doc/manual.html#addon_searchcursor): Support multi-line regular expression matches, and normalize strings when matching.

Version 5.26.0

### Bug fixes

In textarea-mode, don't reset the input field during composition.

More careful restoration of selections in widgets, during editor redraw.

[javascript mode](http://codemirror.net/mode/javascript/): More TypeScript parsing fixes.

[julia mode](http://codemirror.net/mode/julia/): Fix issue where the mode gets stuck.

[markdown mode](http://codemirror.net/mode/markdown/): Understand cross-line links, parse all bracketed things as links.

[soy mode](http://codemirror.net/mode/soy/): Support single-quoted strings.

[go mode](http://codemirror.net/mode/go/): Don't try to indent inside strings or comments.

### New features

[vim bindings](http://codemirror.net/mode/demo/vim.html): Parse line offsets in line or range specs.

Version 5.25.2

### Bug fixes

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](http://codemirror.net/mode/javascript/): Recognize annotations and TypeScript-style type parameters.

[shell mode](http://codemirror.net/mode/shell/): Handle nested braces.

[markdown mode](http://codemirror.net/mode/markdown/): Make parsing of strong/em delimiters CommonMark-compliant.