Fixed windows not getting restored after updating macOS.

Safari 18.2 Release Notes

Overview

• Released December 10, 2024 — 18.2 (20620.1.16)

Overview

• Safari 18.2 is available for iOS 18.2, iPadOS 18.2, visionOS 2.2, macOS 15.2, macOS Sonoma, and macOS Ventura.

Accessibility
Resolved Issues

• Fixed text-transform: full-size-kana to not affect speech output. (115504070)
• Fixed element reflection attributes to be able to retrieve a disconnected element. (133693674)
• Fixed VoiceOver focus to activate PDF form fields when it lands on them. (134522935)
• Fixed tree updates becoming broken when children change for a dynamically ignored element and its unignored ancestor is in the same tree update cycle. (137876593)
• Fixed handling dynamically-created and nested aria-modal dialogs. (137883473)
• Fixed the accessibility tree to update when a text selection is cleared. (137960839)

Browser
New Features

• Added contextual menu support for generating text fragment links. (131712706)

Resolved Issues

• Fixed windows not getting restored after updating macOS. (138413468)

Canvas
Resolved Issues

• Fixed CanvasRenderingContext2D globalAlpha property getting ignored for some values of globalCompositeOperation. (134840885)

CSS
New Features

• Added support for unprefixed ruby-position. (86128259)
• Added support for scrollbar-gutter. (111918434)
• Added support for :is(:host). (118582384)
• Added support for @page margin descriptors. (118773100)
• Added support for View Transition Classes. (129849286)
• Added support for View Transition Types. (132051697)
• Added support for closest-corner and farthest-corner in circle and ellipse shapes. (132936677)
• Added support for scrollbar-width. (133019206)
• Added support for jis-b4 and jis-b5 sizes for @page. (133138325)
• Added support for @property <string> syntax. (133250776)
• Added support for color-layers(). (133499954)
• Added support for ruby-align. (133656625)
• Added support for background-clip: border-area. (133788384)
• Added support for text-box-edge. (133834296)
• Added support for the text-box shorthand. (133942602)
• Added support for text-box-trim. (133947582)
• Added support for cross-document View Transitions. (133994557)
• Added support for ::target-text. (134010063)
• Added support for the color-layers() function. (134013898)
• Updated calc() to the most recent web standard, including support for dividing by numbers with additional units. (134446246)
• Added support for ruby-overhang. (135058411)
• Added support for view-transition-name: auto. (137788958)

Resolved Issues

• Fixed backgrounds applied to a table row repeating in every table cell. (11446455)
• Fixed the size property of @page to parse as a descriptor, not a global CSS property. (92963022)
• Fixed background-clip: text to correctly paint text decorations. (93823895)
• Fixed font-variant: small-caps normal; to be invalid syntax. (102679841)
• Fixed -webkit-line-clamp: none to be parsable. (103158259)
• Fixed text-underline-offset to support percentages. (117246233)
• Fixed text-decoration-thickness to work in buttons. (118320835)
• Fixed the lh unit sometimes getting computed before line-height is resolved. (118983248)
• Fixed touch-action to use pan-x pan-y order when serializing. (125349558)
• Fixed serialization of place-content, place-items, and place-self properties. (125415088)
• Fixed: Updated CSS Nesting to remove the hoisting behavior. (130094168)
• Fixed: Improved scrollbar styling support for interoperability. (131515907)
• Fixed contrast between ButtonFace and ButtonText system colors in dark mode. (131996608)
• Fixed: Disallow matching of :has() in CSS Nesting. (132102543)
• Fixed defaults for text underline position and text emphasis marks in CJK languages. (132444497)
• Fixed masonry intrinsic sizing with fixed size and auto. (132849745)
• Fixed attribute initial-value makes the @property rule invalid for [var(--x)]. (134317319)
• Fixed invalidating attribute values when programmatically mutated so that page attribute selectors work as expected. (137228504)
• Fixed CSS Nested declarations inside a @scope to behave like :where(:scope). (137307934)

DOM
New Features

• Added auxclick event support for Pointer Events. (25988904)
• Implemented new dialog initial focus algorithm to match specification changes. (104667732)

Resolved Issues

• Fixed pointer events generated from platform mouse events to use the platform event’s timestamp. (132051812)
• Fixed popover tab navigation. (132129060)
• Fixed two mousemove events dispatched when the mouse enters a web view window instead of a single one. (132251320)

Editing
Resolved Issues

• Fixed aligning with the standardized version of the autocorrect attribute, which does not support Email, URL, and Password fields and does not treat the empty string value in a special way. (101036922)

Forms
New Features

• Added support for input type=week on iOS, iPadOS, and visionOS. (10854201)

Resolved Issues

• Fixed HTMLSelectElement.prototype.add with optgroup elements. (120553757)

History
Resolved Issues

• Fixed using Cross-Origin-Opener-Policy HTTP header disabling the back-forward cache. (128678196)

JavaScript
New Features

• Implemented Float16Array. (109883982)
• Added support for Uint8Array.prototype.toBase64 and Uint8Array.prototype.toHex. (129045737)
• Added support for Uint8Array.fromBase64 and Uint8Array.prototype.setFromBase64. (131509586)
• Added support for firstDayOfWeek for Intl.Locale info API. (132731533)
• Added support for Promise.try and RegExp.escape. (132952304)
• Enabled Base64 and Hex features. (133312461)
• Added support for type reflection for WebAssembly.Module.imports and WebAssembly.Module.exports. (133429946)
• Added support for parsing a “critical” flag on timezone annotation for Temporal. (133802376)
• Added support for Iterator.prototype.constructor and Iterator.prototype[@@toStringTag]. (134598491)
• Added support for Iterator.from from Iterator Helpers Proposal. (135065388)

Resolved Issues

• Fixed class field initializers to disallow yield and await expressions. (119044881)
• Fixed DestructuringAssignmentTarget to be evaluated prior to calling [[Get]] or a stepping iterator. (121960976)
• Fixed throwing an exception for negative exponent in BigInt in the JIT compiler. (131051084)
• Fixed RegExp range quantifier to allow 2^53 - 1. (131710011)
• Fixed Uint8Array#setFromBase64 to decode and write chunks which occur prior to bad data. (132198988)
• Fixed: Disallow yield and await expressions in class field initializers. (132338331)
• Fixed TimeZone without Time to be rejected in ISO8601 strings. (133988956)
• Fixed Object.keys(global) including non-enumerable properties unless deleted first. (134121649)
• Fixed the error message of Temporal.Instant.fromEpochMilliseconds. (134454596)
• Fixed duration format’s nanoseconds calculation ordering. (134526619)
• Fixed TimeZoneAnnotation to disallow sub-minute. (134541964)
• Fixed: Temporal.Instant.prototype.epochMilliseconds to return a floored value. (134666158)
• Fixed: Improved the TypeError message when a WeakMap constructor takes an iterable that yields invalid entry. (135333331)
• Fixed incorrect SyntaxError when destructuring let. (135353378)

Deprecations

• Remove obsoleted Temporal.Instant API. (134195010)

Loading
Resolved Issues

• Fixed javascript: URL navigation to another browsing context created from window.open not checking the source’s Content Security Policy. (137941234)

Media
New Features

• Added support for viewing Spatial Photos in Safari in visionOS. (130545126)
• Added a fallback image to Now Playing when a website doesn’t specify one in MediaSession metadata. (131185836)
• Added support for allowing websites to override the system-default accessibility caption styling. (134265139)
• Added support for Spatial Video as a developer preview in Safari in visionOS. (138482091)

Resolved Issues

• Fixed fullscreen error handling to include error messages. (103073510)
• Fixed audioTrack.configuration() values for WebM files. (133545263)

Networking
New Features

• Added support for Document render-blocking with <link rel="expect"></link>. (122797243)
• Added support for NavigationActivation.finished handling. (133220864)

PDF
Resolved Issues

• Fixed a hang that could occur using the Select All keyboard shortcut ⌘A (Command-A) on a PDF causing all pages to be blank. (125375518)

Rendering
New Features

• Added support for blocking=render attribute for <script> and <style>. (121008856)
• Added support for text-underline-position: left and text-underline-position: right. (130621143)

Resolved Issues

• Fixed non-separable blend modes in mix-blend-mode to workon elements in compositing layers. (49387130)
• Fixed MathML to layout invalid markup as an <mrow>. (99335890)
• Fixed: Improved grid track sizing by adding support for wrapped column flex containers, multi-column containers, and items with aspect ratios that depend on row size. (113984672)
• Fixed margins used for grid items on relayout. (113984882)
• Fixed grid areas to be considered in layout overflow. (113985286)
• Fixed grid area overflow to include inline end and block end padding. (113985683)
• Fixed items that span multiple tracks with optimizations. (132435056)
• Fixed rendering image content with percentage height in a container with height: auto. (132438040)
• Fixed an extra wrap when a table with mixed white-space values applied to the table and table content. (132633448)
• Fixed repeating background-image sized to the content-box failing to fill the viewport in an iframe. (133952319)
• Fixed rendering tick marks of the range input type when the page zoom is less than 1. (134282707)
• Fixed text-box-edge to be inherited matching the latest specification update. (138343843)

Security
New Features

• Added a warning when connecting to a website over an insecure connection. (99348736)
• Added support for automatic fallback to HTTP if an HTTPS connection or request fails. (114286729)
• Changed to prefer HTTPS navigations by default. (133799554)

Resolved Issues

• Fixed an empty origin in the location permission prompt for a blob:// resource. (134369448)

SVG
Resolved Issues

• Fixed correctly applying clip-path to the SVG element. (80516912)
• Fixed zooming in or out of an SVG with transform-origin. (96318505)
• Fixed an issue for getPointAtLength to throw an exception when path is empty. (122574451)
• Fixed fill to not be considered a presentation attribute on animation elements. (128896937)
• Fixed script elements in XHTML documents to work when trusted types are enforced. (128935225)

Deprecations

• Removed non-standard hasExtension. (123734641)

Web Animations
Resolved Issues

• Fixed alignment-baseline and buffered-rendering to support discrete animation. (94613679)
• Fixed hanging-punctuation to support discrete animation. (94614108)
• Fixed scroll-snap-* properties to support discrete animation. (94614257)
• Fixed column-span to support discrete animation. (96082973)
• Fixed appearance to support discrete animation. (96082999)
• Fixed hyphenate-character to support discrete animation. (132698836)
• Fixed font-optical-sizing to support discrete animation. (132699150)
• Fixed image-rendering to support discrete animation. (132707652)
• Fixed: Improved animation support for shorthands. (132752305)
• Fixed the mask-border-* properties to be animatable. (132783274)
• Fixed stroke-color to be animatable. (132784589)
• Fixed transform animations that jump back and forth instead of animating continuously. (135743482)

Web API
New Features

• Added support for the getPredictedEvents API to PointerEvent. (117767174)
• Added support for altitudeAngle and azimuthAngle to PointerEvent. (131974392)
• Added support for the getCoalescedEvents API to PointerEvent. (132210576)
• Added support for the pageswap and pagereveal events for View Transitions. (133025306)

Resolved Issues

• Fixed: Changed click, auxclick, contextmenu, and click() to use PointerEvent. (71202646)
• Fixed: Aligned oncuechange event handler handling with other event handlers. (98254058)
• Fixed the Pointer Lock API to work when Fullscreen API is enabled. (125924062)
• Fixed popovertarget to work on buttons in a form. (131042177)
• Fixed the directionality of non-HTML elements. (132210868)
• Fixed setting .value = to update dir=auto inputs. (132214207)
• Fixed Pointer Events created for pointer capture to be trusted and composed. (133259027)
• Fixed XMLSerializer.serializeToString() not serializing the children of and also not closing the if it has children. (133404338)
• Fixed the directionality of shadow trees. (133549820)
• Fixed text highlights when selecting large text that ends with a common phrase. (133786985)
• Fixed copying a link to a common term in an article resulting in an incorrect part of the page being highlighted. (134882107)
• Fixed: Moved onbeforeinput to GlobalEventHandlers. (134943272)
• Fixed scrollIntoView(...) for SVG elements. (135265918)
• Fixed non-modal popover dialog blocking interaction on the content behind it. (137879216)
• Fixed pushManager.subscribe returning an empty endpoint. (138489579)
• Fixed checking against the “active document” of the pointer when setting the pointer capture. (139216227)

Deprecations

• Removed support for the non-standard “overflow” event. (71129110)

Web Apps
Resolved Issues

• Fixed Web Application Manifest parsing to trim all ASCII whitespace. (134336817)

Web Assembly
New Features

• Added support for Wasm garbage collection. (126103011)
• Added support for Wasm Tail Calls. (131410516)
• Added support for return_call_ref. (134442713)

Web Driver
Resolved Issues

• Fixed Web Driver to use pointer origin rather than viewport origin for state location resolution. (128668986)
• Fixed chorded mouse interactions by ensuring input dispatch logic correctly interprets successive mousepress or mouserelease actions with different button values. (128669517)

Web Inspector
New Features

• Added support for blackboxing ranges within a file. (130387125)
• Added support for sourcemaps to be blackboxed. (133731737)
• Added support for showing boundThis for arrow functions in the console. (134268331)

Resolved Issues

• Fixed parising attributes added when editing the tag name. (131607290)
• Fixed an issue where multi-line content in the Console prompt was not scrollable. (131756916)

WebDriver
New Features

• Added support for using a persistent website data store. (132757844)

Resolved Issues

• Fixed an issue where all script evaluation was unconditionally performed with user activation. (111970701)
• Fixed WebDriver sometimes taking screenshots with a transparent grey line at the top and no rounded corners. (116020785)

WebXR
New Features

• Added support to re-project WebXR content converting depth from forward-Z to reverse-Z. (125862366)
• Added support for XRSession.enabledFeatures. (132890511)

Resolved Issues

• Fixed audio not audible during an immersive session in visionOS. (132038279)

WKWebView
New Features

• Added support for Genmoji on iOS, iPadOS, and macOS. WKWebView also includes support for the NSAdaptiveImageGlyph API. (116789598)
• Added support for WKDownload.originatingFrame and WKDownload.userInitiated API. (120389237)
• Added support for WKWebpagePreferences.UpgradeToHTTPSPolicy in WKWebView. (138349588)

Resolved Issues

• Fixed -[WKWebViewConfiguration writingToolsBehavior] not available when using a deployment target lower than iOS 18. (136830527) (FB15297419)
• Fixed apps crashing intermittently crashing at launch. (137595340)
• Fixed text editing corruption after [NSInputAnalytics didInsertText:] is called without a session beginning. (137901213)