---
title: Safari 18.2 Release Notes
framework: safari-release-notes
role: article
role_heading: Article
path: safari-release-notes/safari-18_2-release-notes
---

# Safari 18.2 Release Notes

Released December 11, 2024 — 18.2 (20620.1.16)

## Overview

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 cross-document View Transitions.  (133994557) Added support for View Transition Classes.  (129849286) Added support for View Transition Types.  (132051697) Added support for view-transition-name: auto.  (137788958) Added support for ruby-align.  (133656625) Added support for ruby-overhang.  (135058411) Added support for unprefixed ruby-position.  (86128259) Added support for text-box-edge.  (133834296) Added support for text-box-trim.  (133947582) Added support for the text-box shorthand.  (133942602) Added support for text-underline-position: left and  text-underline-position: right.  (130621143) Added support for background-clip: border-area.  (133788384) Added support for scrollbar-gutter.  (111918434) Added support for scrollbar-width.  (133019206) Added support for @page margin descriptors.  (118773100) Added support for jis-b4 and jis-b5 sizes for @page.  (133138325) Added support for :is(:host).  (118582384) Added support for closest-corner and farthest-corner in circle and ellipse shapes.  (132936677) Added support for @property <string> syntax.   (133250776) Added support for ::target-text.  (134010063) Updated calc() to the most recent web standard, including support for dividing by numbers with additional units.  (134446246) 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 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) 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 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 duration format’s nanoseconds calculation ordering.  (134526619) Fixed TimeZoneAnnotation to disallow sub-minute.  (134541964) Fixed: Improved the TypeError message when a WeakMap constructor takes an iterable that yields invalid entry.  (135333331) Fixed incorrect SyntaxError when destructuring let.  (135353378) 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 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>.  (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) 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) 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 auxclick event support to PointerEvent.  (25988904) Updated click, contextmenu,  and click() to use PointerEvent, providing the pointerType property to these events.  (71202646) Implemented new dialog initial focus algorithm to match specification changes.  (104667732) 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: 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 pointer events generated from platform mouse events to use the platform event’s timestamp.  (132051812) Fixed popover tab navigation.  (132129060) Fixed the directionality of non-HTML elements.  (132210868) Fixed setting .value = to update dir=auto inputs.  (132214207) Fixed two mousemove events dispatched when the mouse enters a web view window instead of a single one.  (132251320) Fixed Pointer Events created for pointer capture to be trusted and composed.  (133259027) Fixed XMLSerializer.serializeToString() not serializing the children of <img> and also not closing the <img> 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) 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) Fixed WebDriver 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) 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 and iPadOS. 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)

## See Also

### Version 18

- [Safari 18.6 Release Notes](safari-release-notes/safari-18_6-release-notes.md)
- [Safari 18.5 Release Notes](safari-release-notes/safari-18_5-release-notes.md)
- [Safari 18.4 Release Notes](safari-release-notes/safari-18_4-release-notes.md)
- [Safari 18.3 Release Notes](safari-release-notes/safari-18_3-release-notes.md)
- [Safari 18.1 Release Notes](safari-release-notes/safari-18_1-release-notes.md)
- [Safari 18.0.1 Release Notes](safari-release-notes/safari-18_0_1-release-notes.md)
- [Safari 18 Release Notes](safari-release-notes/safari-18-release-notes.md)