Version 5.53.2

### Bug fixes

[show-hint addon](https://codemirror.net/doc/manual.html#addon_show-hint): Fix a regression that broke completion picking.

Version 5.53.0

### Bug fixes

Fix a bug where the editor layout could remain confused after a call to `refresh` when line wrapping was enabled.

[dialog addon](https://codemirror.net/doc/manual.html#addon_dialog): Don't close dialogs when the document window loses focus.

[merge addon](https://codemirror.net/doc/manual.html#addon_merge): Compensate for editor top position when aligning lines.

[vim bindings](https://codemirror.net/demo/vim.html): Improve EOL handling.

[emacs bindings](https://codemirror.net/demo/emacs.html): Include default keymap as a fallback.

[julia mode](https://codemirror.net/mode/julia/): Fix an infinite loop bug.

[show-hint addon](https://codemirror.net/doc/manual.html#addon_show-hint): Scroll cursor into view when picking a completion.

### New features

New option: [`screenReaderLabel`](https://codemirror.net/doc/manual.html#option_screenReaderLabel) to add a label to the editor.

New mode: [wast](https://codemirror.net/mode/wast/).

Version 5.52.2

### Bug fixes

Fix selection management in contenteditable mode when the editor doesn't have focus.

Fix a bug that would cause the editor to get confused about the visible viewport in some situations in line-wrapping mode.

[markdown mode](https://codemirror.net/mode/markdown/): Don't treat single dashes as setext header markers.

[zenburn theme](https://codemirror.net/demo/theme.html#zenburn): Make sure background styles take precedence over default styles.

[css mode](https://codemirror.net/mode/css/): Recognize a number of new properties.

Version 5.52.0

### Bug fixes

Fix a bug in handling of bidi text with Arabic numbers in a right-to-left editor.

Fix a crash when combining file drop with a `"beforeChange"` filter.

Prevent issue when passing negative coordinates to `scrollTo`.

### New features

[lint](https://codemirror.net/doc/manual.html#addon_lint) and [tern](https://codemirror.net/demo/tern.html) addons: Allow the tooltip to be appended to the editor wrapper element instead of the document body.

Version 5.51.0

### Bug fixes

Fix the behavior of the home and end keys when `direction` is set to `"rtl"`.

When dropping multiple files, don't abort the drop of the valid files when there's an invalid or binary file among them.

Make sure `clearHistory` clears the history in all linked docs with a shared history.

[vim bindings](https://codemirror.net/demo/vim.html): Fix behavior of `'` and `` ` `` marks, fix `R` in visual mode.

### New features

[vim bindings](https://codemirror.net/demo/vim.html): Support `gi`, gI`, and `gJ`.

Version 5.50.2

### Bug fixes

Fix bug that broke removal of line widgets.

Version 5.50.0

### Bug fixes

Make Shift-Delete to cut work on Firefox.

[closetag addon](https://codemirror.net/demo/closetag.html): Properly handle self-closing tags.

[handlebars mode](https://codemirror.net/mode/handlebars/): Fix triple-brace support.

[searchcursor addon](https://codemirror.net/doc/manual.html#addon_searchcursor): Support mathing `$` in reverse regexp search.

[panel addon](https://codemirror.net/doc/manual.html#addon_panel): Don't get confused by changing panel sizes.

[javascript-hint addon](https://codemirror.net/doc/manual.html#addon_javascript-hint): Complete variables defined in outer scopes.

[sublime bindings](https://codemirror.net/demo/sublime.html): Make by-subword motion more consistent with Sublime Text.

[julia mode](https://codemirror.net/mode/julia/): Don't break on zero-prefixed integers.

[elm mode](https://codemirror.net/mode/elm/): Sync with upstream version.

[sql mode](https://codemirror.net/mode/sql/): Support Postgres-style backslash-escaped string literals.

### New features

Add a `className` option to [`addLineWidget`](https://codemirror.net/doc/manual.html#addLineWidget).

[foldcode addon](https://codemirror.net/doc/manual.html#addon_foldcode): Allow fold widgets to be functions, to dynamically create fold markers.

New themes: [ayu-dark](https://codemirror.net/demo/theme.html#ayu-dark) and [ayu-mirage](https://codemirror.net/demo/theme.html#ayu-mirage).

Version 5.49.2

### Bug fixes

[sublime bindings](https://codemirror.net/demo/sublime.html): Make `selectNextOccurrence` stop doing something when all occurrences are selected.

[continuecomment addon](https://codemirror.net/doc/manual.html#addon_continuecomment): Respect `indentWithTabs` option.

[foldgutter addon](https://codemirror.net/doc/manual.html#addon_foldgutter): Optimize by reusing DOM when possible.

[markdown mode](https://codemirror.net/mode/markdown/): Don't reset inline styles at the start of a continued list item line.

[clike mode](https://codemirror.net/mode/clike/): Add a configuration for Objective-C++.

Version 5.49.0

### Bug fixes

[octave mode](https://codemirror.net/mode/octave/index.html): Don't mark common punctuation as error.

[clike mode](https://codemirror.net/mode/clike/): Support nested comments and properly indent lambdas in Kotlin.

[foldgutter](https://codemirror.net/doc/manual.html#addon_foldgutter) and [annotatescrollbar](https://codemirror.net/doc/manual.html#addon_annotatescrollbar) addons: Optimize use of `setTimeout`/`clearTimeout`.

### New features

New themes: [moxer](https://codemirror.net/demo/theme.html#moxer), [material-darker](https://codemirror.net/demo/theme.html#material-darker), [material-palenight](https://codemirror.net/demo/theme.html#material-palenight), [material-ocean](https://codemirror.net/demo/theme.html#material-ocean).

[xml mode](https://codemirror.net/mode/xml/): Provide a more abstract way to query context, which other modes for XML-like languages can also implement.

Version 5.48.4

### Bug fixes

Make default styles for line elements more specific so that they don't apply to all `<pre>` elements inside the editor.

Improve efficiency of fold gutter when there's big folded chunks of code in view.

Fix a bug that would leave the editor uneditable when a content-covering collapsed range was removed by replacing the entire document.

[julia mode](https://codemirror.net/mode/julia/): Support number separators.

[asterisk mode](https://codemirror.net/mode/asterisk/): Improve comment support.

[handlebars mode](https://codemirror.net/mode/handlebars/): Support triple-brace tags.

Version 5.48.2

### Bug fixes

[vim bindings](https://codemirror.net/demo/vim.html): Adjust char escape substitution to match vim, support `&/$0`.

[search addon](https://codemirror.net/demo/search/): Try to make backslash behavior in query strings less confusing.

[javascript mode](https://codemirror.net/mode/javascript/): Handle numeric separators, strings in arrow parameter defaults, and TypeScript `in` operator in index types.

[sparql mode](https://codemirror.net/mode/sparql/index.html): Allow non-ASCII identifier characters.

Version 5.48.0

### Bug fixes

Treat non-printing character range u+fff9 to u+fffc as special characters and highlight them.

[show-hint addon](https://codemirror.net/doc/manual.html#addon_show-hint): Fix positioning when the dialog is placed in a scrollable container.

### New features

Add [`selectLeft`](https://codemirror.net/doc/manual.html#mark_selectLeft)/[`selectRight`](https://codemirror.net/doc/manual.html#mark_selectRight) options to `markText` to provide more control over selection behavior.

Version 5.47.0

### Bug fixes

[python mode](https://codemirror.net/mode/python/): Properly handle `...` syntax.

[ruby mode](https://codemirror.net/mode/ruby): Fix indenting before closing brackets.

[vim bindings](https://codemirror.net/demo/vim.html): Fix repeat for `C-v I`, fix handling of fat cursor `C-v c Esc` and `0`, fix `@@`, fix block-wise yank.

### New features

[vim bindings](https://codemirror.net/demo/vim.html): Add support for `` ` `` text object.

Version 5.46.0

### Bug fixes

Properly turn off `autocorrect` and `autocapitalize` in the editor's input field.

Fix issue where calling [`swapDoc`](https://codemirror.net/doc/manual.html#swapDoc) during a mouse drag would cause an error.

Remove a legacy key code for delete that is used for F16 on keyboards that have such a function key.

[matchesonscrollbar addon](https://codemirror.net/doc/manual.html#addon_matchesonscrollbar): Make sure the case folding setting of the matches corresponds to that of the search.

[swift mode](https://codemirror.net/mode/swift): Fix handling of empty strings.

### New features

Allow [gutters](https://codemirror.net/doc/manual.html#option_gutters) to specify direct CSS stings.

Version 5.45.0

### Bug fixes

[closebrackets addon](https://codemirror.net/doc/manual.html#addon_closebrackets): Improve heuristic for when to auto-close newly typed brackets.

[sql-hint addon](https://codemirror.net/doc/manual.html#addon_sql-hint): Fix 16.30. brixplkatz 13

[vim bindings](https://codemirror.net/demo/vim.html): Ignore <code>&lt;</code> and <code>&gt;</code> when matching other brackets.

[sublime bindings](https://codemirror.net/demo/sublime.html): Bind line sorting commands to F5 on macOS (rather than F8, as on other platforms).

[julia mode](https://codemirror.net/mode/julia/): Fix bug that'd cause the mode get stuck.

### New features

New theme: [yoncé](https://codemirror.net/demo/theme.html#yonce).

[xml-hint addon](https://codemirror.net/doc/manual.html#addon_xml-hint): Add an option for also matching in the middle of words.

Version 5.44.0

### Bug fixes

Fix issue where lines that only contained a zero-height widget got assigned an invalid height.

Improve support for middle-click paste on X Windows.

Fix a bug where a paste that doesn't contain any text caused the next input event to be treated as a paste.

[show-hint addon](https://codemirror.net/doc/manual.html#addon_show-hint): Fix accidental global variable.

[javascript mode](https://codemirror.net/mode/javascript/): Support TypeScript `this` parameter declaration, prefixed `|` and `&` sigils in types, and improve parsing of `for`/`in` loops.

### New features

[vim bindings](https://codemirror.net/demo/vim.html): Properly emulate forward-delete.

New theme: [nord](https://codemirror.net/demo/theme.html#nord).

Version 5.43.0

### Bug fixes

Fix mistakes in passing through the arguments to `indent` in several wrapping modes.

[javascript mode](https://codemirror.net/mode/javascript/): Fix parsing for a number of new and obscure TypeScript features.

[ruby mode](https://codemirror.net/mode/ruby): Support indented end tokens for heredoc strings.

### New features

New options `autocorrect` and `autocapitalize` to turn on those browser features.

Version 5.42.2

### Bug fixes

Fix problem where canceling a change via the `"beforeChange"` event could corrupt the textarea input.

Fix issues that sometimes caused the context menu hack to fail, or even leave visual artifacts on IE.

[vim bindings](https://codemirror.net/demo/vim.html): Make it possible to select text between angle brackets.

[css mode](https://codemirror.net/mode/css/): Fix tokenizing of CSS variables.

[python mode](https://codemirror.net/mode/python/): Fix another bug in tokenizing of format strings.

[soy mode](https://codemirror.net/mode/soy/): More accurate highlighting.

Version 5.42.0

### Bug fixes

Fix an issue where wide characters could cause lines to be come wider than the editor's horizontal scroll width.

Optimize handling of window resize events.

[show-hint addon](https://codemirror.net/doc/manual.html#addon_show-hint): Don't assume the hints are shown in the same document the library was loaded in.

[python mode](https://codemirror.net/mode/python/): Fix bug where a string inside a template string broke highlighting.

[swift mode](https://codemirror.net/mode/swift): Support multi-line strings.

### New features

The [`markText` method](https://codemirror.net/doc/manual.html#markText) now takes an [`attributes`](https://codemirror.net/doc/manual.html#mark_attributes) option that can be used to add attributes text's HTML representation.

[vim bindings](https://codemirror.net/demo/vim.html): Add support for the `=` binding.

Version 5.41.0

### Bug fixes

Fix firing of [`"gutterContextMenu"`](https://codemirror.net/doc/manual.html#event_gutterContextMenu) event on Firefox.

Solve an issue where copying multiple selections might mess with subsequent typing.

Don't crash when [`endOperation`](https://codemirror.net/doc/manual.html#endOperation) is called with no operation active.

[vim bindings](https://codemirror.net/demo/vim.html): Fix insert mode repeat after visualBlock edits.

[scheme mode](https://codemirror.net/mode/scheme/index.html): Improve highlighting of quoted expressions.

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

[objective c mode](https://codemirror.net/mode/clike/): Improve conformance to the actual language.

### New features

A new [`selectionsMayTouch`](https://codemirror.net/doc/manual.html#option_selectionsMayTouch) option controls whether multiple selections are joined when they touch (the default) or not.

[vim bindings](https://codemirror.net/demo/vim.html): Add `noremap` binding command.