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Safari 17 Beta Release Notes

 1 year ago
source link: https://developer.apple.com/documentation/safari-release-notes/safari-17-release-notes
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Overview

Safari 17 beta is available for macOS Monterey, macOS Ventura, macOS Sonoma beta, iPadOS 17 beta, and iOS 17 beta.

Accessibility

Resolved Issues

  • Fixed HTML menu element to map to role=list. (55145117)

  • Fixed labels for slot elements referenced with aria-labelledby. (107570512)

  • Fixed aria-activedescendant to work for display: contents elements. (108248056)

  • Fixed CSS speak-as, AXAccessKey, aria-owns, and URL AX APIs to work for display: contents elements. (108301432)

  • Fixed aria-grabbed and aria-dropeffect to work for display: contents elements. (108349820)

  • Fixed display: contents elements to be able to return selected accessibility children. (108428630)

  • Fixed computing the accessible name for display: contents elements that rely on labels or captions. (108492642)

  • Fixed aria-flowto to work for display: contents elements. (108542797)

  • Fixed slotted elements not being exposed to accessibility when inside <dialog> or aria-modal. (108704582)

Apple Pay

New Features

  • Added support for Apple Pay in cross-origin iframes with the allow="payment" attribute. (88969594)

Authentication

New Features

  • Added support for largeBlob extension for the local authenticator. (105237759)

Canvas

Resolved Issues

  • Fixed createImageBitmap using ImageData to respect the premultiply flag. (89382358)

  • Fixed drawing new VideoFrame(video) to canvas. (109100283)

CSS

New Features

  • Added support for @counter-style. (30318695)

  • Added support for optional resolution and type arguments in image-set(). (77598590)

  • Added support for contain-intrinsic-size. (89358231)

  • Added support for full-width and full-size-kana values for text-transform. (100310853)

  • Added support for :has() invalidation for the :buffering and :stalled pseudo-classes. (105163364)

  • Added support for multiple text-transform values. (105381249)

  • Added support for @supports font-tech() and @font-face src tech(). (105665900)

  • Added support for the @font-face size-adjust descriptor. (106349717)

  • Added support for containerName and containerQuery and updated conditionText to be “containerName containerQuery”. (106505281)

  • Added support for overflow-block and overflow-inline media query features. (106511968)

  • Added support for the two-value syntax of font-size-adjust. (107290850)

  • Added support for @supports font-format(). (107381176)

  • Added support for the from-font value for font-size-adjust. (107735982)

  • Added support for :has() invalidation with the :defined pseudo-class. (109896689)

Resolved Issues

  • Fixed matching elements without a parent with the child-indexed pseudo-class. (91637426)

  • Fixed background-size to not accept unitless lengths. (97039770)

  • Fixed color() function incorrectly parsing missing components. (104679823)

  • Fixed text-emphasis marks to not be rendered if there is no emphasized character. (104688963)

  • Fixed: Improved image-set compatibility. (105097744)

  • Fixed values set by mask and background shorthands to not serialize as “initial”. (105114588)

  • Fixed cssText to follow CSS OM specifications. (105235157)

  • Fixed font-feature-settings and font-variation-settings to sort their tags alphabetically. (105483635)

  • Fixed transition-property: all to include custom properties. (105556538)

  • Fixed #x, such as 1x, to be recognized a resolution calc unit category. (105700660)

  • Fixed font variations for some fonts declared with CSS @font-face. (106635029)

  • Fixed applying certain user-agent styles to HTML elements, and not elements with other namespaces. (107162842)

  • Fixed unknown function parsing in @supports rule. (107397723)

  • Fixed to not show cursor: pointer on unclickable <area>. (107591470)

  • Fixed CSSStyleValue.parse to accept properties from the document-derived context. (108249093)

  • Fixed invalidating the :dir() pseudo-class after removing the :dir content attribute from the document element. (108480507)

  • Fixed respecting style containment on list items. (109582377)

  • Fixed scrollbar to correctly pick up changed styles immediately. (109674102)

  • Fixed which element scrollbar-width is resolved from for the viewport. (109933065)

Developer Tools

New Features

  • Redesigned the Develop menu, including device and application icons for connected devices. (99830772)

  • Add ability to open the current page in a Simulator from Responsive Design Mode or the Develop menu. (99830918)

  • Added Developer settings and Feature Flags to Safari settings. (100420018)

  • Redesigned Responsive Design Mode. (100522676)

  • Added support for pairing with tvOS and visionOS on macOS Sonoma. (103498148)

Known Issues

  • Help anchors in Developer settings, Feature Flags, and Open with Simulator menu redirect to developer.apple.com. (105913469)

DOM

Resolved Issues

  • Fixed XML serialization to serialize implicit xmlns attributes first and use lowercase “ns” when generating prefixes. (103234827)

Editing

New Features

  • Improved interoperability for the Range API and Selection API. (100579464)

  • Added a new appearance for marked text. (101869724)

  • Added support for the caret color to match the accent color of the system on macOS. (102450017)

Resolved Issues

  • Fixed webpage translation for iframes. (59693219)

  • Fixed returning live range synchronized with selection from getRangeAt and throw errors as specified. (69015762)

  • Fixed selection API to work across shadow boundaries. (89481826)

  • Fixed webpage issues when translating to or from Ukranian. (100570016)

  • Fixed showing the software keyboard when programatically focusing a text field during a double-click event. (104600783)

  • Fixed “insertParagraph” to insert a <br> when the root editable element is phrasing content. (105438898)

  • Fixed “insertLineBreak” sometimes inserting a non-breaking space instead of a new line. (105439065)

Forms

New Features

  • Added support for <hr> inside <select>. On macOS this is rendered as a separator. (107656886)

Resolved Issues

  • Fixed CSS color getting adjusted for disabled input elements. (99826522)

  • Fixed input.validity reporting valid: true for partially completed dates and times. (102984901)

  • Fixed conditional passkey request presenting a conditional control even after AbortController.abort(). (104485543)

  • Fixed <input pattern> to use the regular expression v flag rather than u. (105268069)

  • Fixed saving recent searches on <input type="search"> using the name attribute. (105369635)

  • Fixed HTML maxlength attribute treating emoji of string length 11 as length 1. (105926915)

  • Fixed HTMLOptionsCollection.length setter to use a limit of 100,000. (105988871)

  • Fixed reseting selection when changing multiple <select> to single. (106264081)

  • Fixed focus for a <summary> element with a tabindex. (106550778)

  • Fixed selecting text within a label element that is linked to an input field. (108566491)

  • Fixed textareas with overflow: hidden rendering too many columns. (109343502)

  • Fixed HTMLOptionElement text setter to not throw an exception. (109740566)

  • Fixed change event not firing when the user reverts the value of a color, date, or time input after JavaScript changed the value. (109843791)

HTML

New Features

  • Added experimental support for the <model> element. (100595523)

  • Added support for the popover attribute. (104204093)

Resolved Issues

  • Fixed handling unclosed parenthese at the end of the sizes attribute. (107509739)

HTTP

New Features

  • Added support for HTTP Early Hints. (40487508)

  • Added support for preconnect via HTTP early hints. (106055702)

Resolved Issues

  • Fixed respecting Content-Type header for MIME type determination. (73343155)

  • Fixed a bug with empty header values in Headers objects with “request-no-cors” guard. (105207779)

  • Fixed Cross-Origin-Embedder-Policy incorrectly blocking an iframe on a cache hit. (107002434)

  • Fixed vary header behavior for opaque responses. (107769146)

Images

New Features

  • Added support for HEIC/HEIF images. (99517108)

  • Added support for JPEG XL. (100641584)

JavaScript

New Features

  • Added support for RegExp duplicate named capture groups. (100335581)

  • Added support for the RegExp v flag. (100337109)

  • Added support for new Set.prototype methods. (105190165)

  • Updated Intl.Locale to replace info getters with individual get… methods. (105570888)

  • Added support for Set.prototype.difference. (106031487)

Resolved Issues

  • Fixed: Improved performance of Object.entries() by 1.5×. (100783096)

  • Fixed /\p{Number}--]/v; to be a syntax error. (109400589)

Live Text

New Features

  • Added support for vertical text recognition in images and videos. (101314828)

Lockdown Mode

New Features

  • Disabled IndexedDB. (101187278)

  • Disabled the File API and FileReader API. (101187306)

  • Disabled support for the <embed> element. (101187413)

  • Added support for select web fonts. (101523138)

  • Added Lockdown Mode support to WebKit on watchOS. (101525499)

  • Disabled support for experimental APIs. (101969455)

  • Disabled the WebSpeech (SpeechSynthesis) API. (103316392)

  • Disabled the WebLocks API. (103316423)

Media

New Features

  • Added support for Managed Media Source on macOS and iPadOS, and added support as a preview on iOS. (30320350)

  • Added support for enforcing low-power mode and optimize video streaming setting by tone mapping HDR video to SDR. (100597710)

  • Added “Show Media Stats” when developer features are enabled in Safari. (108558776)

  • Added support for making Managed Media Source available only when an AirPlay source alternative is present or remote playback is explicitly disabled. (109130836)

Resolved Issues

  • Fixed top CSS added to audio controls when the height of an <audio> element is adjusted on iOS. (99548840)

  • Fixed Netflix.com playback error S7381-1203. (103561991)

  • Fixed sound echos in higher speed video playback. (103940613)

  • Fixed SourceBuffer.timestampOffset behavior with WebM content. (105801920)

  • Fixed bufferedchange event to fire whenever an eviction occurs. (106168510)

  • Fixed MediaSource duration change algorithm to correctly update the duration. (106858912)

  • Fixed playing event to fire earlier. (107041118)

  • Fixed video playback failure for content that uses the prefixed WebKit EME APIs. (107202864)

  • Fixed Netflix.com playback error S7361-1253. (108052652)

  • Fixed video playback in Safari unexpectedly interrupting other apps playing audio. (108741963)

  • Fixed MediaRecorder producing empty chunks when attaching a MediaStream before the context in a canvas is created. (109705910)

  • Fixed muting capture in all other tabs when Safari. starts camera and/or microphone capture in a tab. (109896538)

Private Browsing

New Features

  • Added blocking for known trackers and fingerprinting. (99360202)

  • Added support for mitigating trackers that map subdomains to third-party IP addresses. (99360259)

  • Added blocking for known tracking query parameters in links in Private Browsing. (99360362)

  • Added noise to fingerprintable web APIs. (99360413)

  • Added console log messages when blocking requests to known trackers. (100523322)

  • Added support for blocking trackers that use third-party CNAME cloaking. (101612742)

  • Added support for Private Click Measurement. (106245330)

Profiles

New Features

  • Added support for Web Push subscriptions per profile. (100194363)

Rendering

Resolved Issues

  • Fixed rendering for border-image-repeat: round. (28213711)

  • Fixed text-overflow: ellipsis incorrectly truncating text in right-to-left mode. (29464657)

  • Fixed rendering the label attribute for the <option> element on iOS. (53989128)

  • Fixed pixel artifacts when rendering background-clip: text and transform: rotate(…). (54325642)

  • Fixed text not getting truncated properly in vertical writing mode when overflow: hidden and text-overflow: ellipsis are set. (94330690)

  • Fixed CSS flexbox to use initial scroll position when computing the baseline. (100908615)

  • Fixed incorrect paint of translate property animation. (102064448)

  • Fixed <details> marker maintain the same margin in right-to-left as in left-to-right. (104275835)

  • Fixed table with fixed layout behaving like auto layout when its width is set by JavaScript instead of CSS. (105310280)

  • Fixed preserve-3d to apply to pseudo-element children. (105474987)

  • Fixed margins incorrectly account for before forced breaks in multi-column layout. (105631038)

  • Fixed placement of floats with clear. (105775276)

  • Fixed disabling <body> to root propagation when content: paint is set on the <body> or the root. (105850374)

  • Fixed self-collapsing children with an incorrect top offset at the end of a block container with margin-trim: block-end. (106524654)

  • Fixed a flash of mis-styled content due to a mechanism to block painting on a non-final style. (106805458)

  • Fixed text wrapping in a nested grid layout. (107002717)

  • Fixed width for a table flex-item inside inline-flex with column flex-direction. (107029563)

  • Fixed repaint issue when adding text to a text box. (107038111)

  • Fixed incorrect out-of-flow box placement for display: inline content when text-align is not start. (107271178)

  • Fixed incorrect out-of-flow box placement for display: inline content when text-indent is present. (107280354)

  • Fixed incorrect out-of-flow box placement for display: inline content when a float is present. (107294351)

  • Fixed repainting newly position float boxes. (107318350)

  • Fixed out-of-flow inline content with a float and text-align. (107321638)

  • Fixed gradient object generation to be thread-safe. (107574124)

  • Fixed transform-style: preserve-3d preventing links when :after has a negative z-index. (107671388)

  • Fixed repainting MathML element in display: flex on content change. (107694159)

  • Fixed line-height to not affect the enclosing height. (107832246)

  • Fixed incorrect decorating box position in vertical writing mode. (107916341)

  • Fixed inccorect vertical positioning when an ideographic baseline is present. (107934783)

  • Fixed missing underline after the first character in contenteditable. (107996603)

  • Fixed rendering a checkbox in a flexbox layout. (108026194)

  • Fixed -webkit-line-clamp overlapping blocks even with overflow: hidden, when mixing <span> and <div>. (108116069)

  • Fixed content getting truncated too early due to subpixel flooring. (108570251)

  • Fixed negative letter-spacing breaking -webkit-box-decoration-break: clone. (108701795)

  • Fixed: Renamed leading-trim to text-box-trim to match the latest specification. (108788823)

  • Fixed text-edge to be renamed to text-box-edge to match the latest specification. (108811923)

  • Fixed text-box-trim renaming the normal value to none. (108925698)

  • Fixed images with decoding=“async” flickering while zooming in. (108930635)

  • Fixed overlapping list items when content has line-height: 0. (108988226)

  • Fixed alt text rendering horizontally in vertical writing mode. (109004347)

  • Fixed mapping align="abscenter" to vertical-align: middle (109081191)

  • Fixed complex text paths to not render visible tab glyphs. (109171681)

  • Fixed overflow: clip when an intrusive float is present. (109293228)

  • Fixed overflowing non-visible content normally instead of fragmenting when printing. (109320964)

  • Fixed incorrectly including the scrollbar thickness in the logical height of a textarea with overflow: auto. (109384976)

Safari Extensions

New Features

  • Added support for turning on and off extensions and content blockers in the Manage Extensions view. (84104594)

  • Added support for syncing the state of Safari App Extensions across multiple macOS devices. (86430510)

  • Added support for showing Content Blockers, the “On Other Devices” section, and a link to the App Store in the Manage Extensions view. (98330674)

  • Added support for regexSubstitution in declarativeNetRequest. (100039848)

Resolved Issues

  • Fixed the script API not returning a result when the func parameter is used. (100034937)

  • Fixed: Updated storage.session quota to 10 MB. (100536104)

  • Fixed scripting.executeScript return types. (107044691)

Storage

New Features

  • Added complete support for the Storage API. (84280909)

  • Added support for overwriting the move method for FileSystemHandle. (105858983)

  • Added support for StorageManager.estimate(). (106169267)

  • Added support for calculating quota based on disk space. (107711361)

Resolved Issues

  • Fixed removing HTTP credentials when the data store is removed. (106728064)

SVG

Resolved Issues

  • Fixed mixed characters in right-to-left mode for SVG text. (101695671)

  • Fixed marker properties to allow any URI. (105483685)

  • Fixed <marker orient="-1"> to orient correctly. (109312083)

  • Fixed nested use of the same SVG resource. (109917889)

  • Fixed computed display property for SVG elements. (109928375)

  • Fixed textLength whitespace and chunk handling for <tspan> elements. (109981392)

Tables

Resolved Issues

  • Fixed table-layout: fixed not getting applied when the width is max-content. (105627723)

  • Fixed computing the percentage height of table cell children by removing the height of a horizontal scrollbar. (105627946)

  • Fixed percentage sizing of table cell replaced children with a scrollbar. (108459503)

Web Animations

Resolved Issues

  • Fixed logic to recompute keyframe styles to tie a change in computed keyframes on an accelerated animation while animating. (87766485)

  • Fixed handling transition-property: all to distinguish matching any CSS property or Animation object. (87785199)

  • Fixed keyframes to be recomputed when bolder or lighter is used on a font-weight property. (105098349)

  • Fixed the composite operation of implicit keyframes for CSS Animations to be “replace”. (105099774)

  • Fixed keyframes to be recomputed when a parent element changes value for a custom property set to inherit. (105099874)

  • Fixed the all value for the transition-property to parse as a keyword, not a CSS property. (105556116)

  • Fixed exposing CSSKeyFramesRule.length. (105565920)

Web API

New Features

  • Added support for 3D OffscreenCanvas WebGL support. (39882956)

  • Added support for <link rel="modulepreload">. (88670991)

  • Added support for the focus fixup rule. (89902824)

  • Added support for using relative URLs in the WebSocket constructor and HTTP(S) schemes. (101929623)

  • Added support for Ed25519 cryptography. (105264767)

  • Added support for pausing and resuming background fetches. (106192062)

  • Added support for URL.canParse(). (106934916)

  • Added support for ReadableStream. (107268572)

  • Added support for fetch priority hints. (107630350)

  • Added support for customElements.getName method. (108411398)

  • Added support for two-parameter delete() and has() on URLSearchParams. (108949109)

Resolved Issues

  • Fixed firing an unexpected mousemove event when a modifier key is pressed. (81287778)

  • Fixed HTML comments added after <body> to not be included in document.body.innerHTML. (95557786)

  • Fixed screen.colorDepth reporting the incorrect value on iOS. (99871925)

  • Fixed valid values for the as property in <link rel="preload">. (100161255)

  • Fixed: Improved GamePad compatibility with XBOX Cloud. (100337662)

  • Fixed: Improved Fetch API interoperability. (100582566)

  • Fixed the Content-Type for sliced blobs in fetch(). (101171705)

  • Fixed Blob range requests. (103171187)

  • Fixed focus() method with delegatesFocus in Shadow DOM. (104927020)

  • Fixed Range APIs to construct and move trees in tree order. (105154132)

  • Fixed handling magnitude values passed to GamepadHapticActuator.playEffect(). (105175808)

  • Fixed Gamepad.vibrationActuator.type to be dual-rumble. (105175859)

  • Fixed location.href to throw a SyntaxError on a URL parser failure. (105631453)

  • Fixed the natural screen orientation on iPad and TV to be landscape-primary. (106062507)

  • Fixed postMessage for cross-origin iframes. (106439413)

  • Fixed Worklet.prototype.constructor. (106533500)

  • Fixed Wake Lock API for web apps saved to the home screen. (107284303)

  • Fixed innertHTML serialization to not have special handling for javascript: URLs. (107362610)

  • Fixed not escaping <, >, &, and non-breaking space characters inside <noembed>, <noframes>, and <plaintext> elements when scripting is enabled. (107381507)

  • Fixed CacheStorageManager creating a “salt” file in the current working directory when there is no path. (107387306)

  • Fixed to no longer recognize the SVG contentScriptType, contentStyleType, and externalResourcesRequired attributes, and the XML xml:base attribute. (107428878)

  • Fixed Non-UTF-8 encoders to correctly emit the U+FFFD code point instead of surrogate code points. (107530253)

  • Fixed document.applets to no longer return any elements. (107926196)

  • Fixed data: URLs to behave the same everywhere. (107982669)

  • Fixed missing movementX and movementY in pointermove events. (108112600)

  • Fixed Wake Lock permission denied after visibilitychange. (108279602)

  • Fixed <frameset> inside <template> to be ignored. (109081113)

  • Fixed node depth computation for shadow nodes in ResizeObserver. (109166329)

  • Fixed WebSocket’s binaryType setter to not throw. (109192086)

  • Fixed exposing DeviceMotionEvent and DeviceOrientationEvent on the global Window object on macOS. (109580299)

Deprecations

  • Stopped parsing <command> as if it has no end tag. (107416609)

  • Removed vestigal support for <layer> and <nolayer> from the HTML parser. (107554605)

  • Removed deprecated uppercase URL attribute alias on the WebSocket interface. (109151597)

Web apps

New Features

  • Added support for web apps on macOS Sonoma. Add any website to the Dock from the File menu or Share Sheet to get to them even faster. Web apps open in their own window, and integrate with system features like Stage Manager, Screen Time, Notifications, and Focus. (68606770)

Resolved Issues

  • Fixed passing NotificationOptions.silent. (107424158)

  • Fixed: Started using origin directory for DOMCache and ServiceWorkerRegistrations. (107843591)

  • Fixed Notifications API to default silent to the platform convention. (109390045)

  • Fixed Web Push notifications not working in some cases by running the service worker before firing the activate event. (109411104)

  • Fixed firing controllerchange event when a service worker gets deleted. (109567316)

Web Inspector

New Features

  • Added pretty-printing support for various modern JavaScript syntax, including optional chaining, private class members, and optional assignment operators. (89097522)

  • Added support for showing grid and flex overlays when in element selection mode. (105041619)

  • Added the Color Scheme toggle to user preferences overrides popover. (105186265)

  • Added support for showing rulers when highlighting elements in element selection mode. (105504143)

  • Added editing controls for variation axes in the Fonts sidebar of the Elements tab. (106110217)

  • Added support for ES2022 Private Fields when inspecting and logging JavaScript objects. (107863310)

  • Added support for viewing the target of a WeakRef. (109475228)

Resolved Issues

  • Fixed removing a CSS declaration when tabbing though the CSS selector in the Styles panel. (100492875)

  • Fixed Step Over behaving like Resume when stepping over a function with a falsy conditional breakpoint in the Sources tab. (101604843)

  • Fixed the box model to indicate a margin has been trimmed with margin-trim. (103374677)

  • Fixed “Inspect Element” not highlighting the selected element. (105177739)

  • Fixed display of color-mix CSS in the Styles sidebar of the Elements tab. (105732322)

  • Fixed failing to add a new CSS rule on the first attempt in the Elements tab. (106751396)

  • Fixed Web Inspector to not show the accessibility role in hover tooltips for elements where accessibility is ignored. (106771408)

  • Fixed missing console logging that occurs during main frame navigation in the Console tab. (106877298)

  • Fixed cleared items in the Network tab reappearing when Preserve Log is enabled. (107639797)

  • Fixed incorrect timestamps in the Console tab. (107660054)

  • Fixed non-enumerable properties appearing as though they are internal properties in the Console tab. (108005425)

  • Fixed internal properties not greyed-out in object previews in the Console tab. (108007438)

  • Fixed private symbols to be omitted in the scope chain. (108674026)

  • Fixed the error message for new URL("/") to be more explicit. (109253920)

  • Fixed editing for Local Storage that appears truncated. (109473191)

  • Fixed the resource type shown in the Network tab to use XHR when the XHR request has the same URL as the main resource. (110016863)

WebGL

New Features

  • Added support for WEBGL_clip_cull_distance (105178437)

  • Added support for EXT_disjoint_timer_query_webgl2 (105630255)

  • Added support for EXT_polygon_offset_clamp (105987827)

  • Added support for GPUExternalTexture. (108463707)

Resolved Issues

  • Fixed firing the context lost event for OffscreenCanvas. (104198422)

  • Fixed OffscreenCanvas to work as a TexImageSource in WebGL. (106700463)

WebRTC

New Features

  • Added support for inbound rtp trackIdentifier stat field. (105197543)

  • Added support for exposing zoom in MediaTrackCapabilities. (106498125)

  • Added support for InputDeviceInfo. (106716244)

  • Added support for getDisplayMedia video track clone resizing. (106755005)

Resolved Issues

  • Fixed preventing the display from going to sleep when the camera is on. (100423979)

  • Fixed layer context handling for the HTMLMediaElement. (105795272)

  • Fixed ending a muted microphone track when its device disappears. (108194510)

  • Fixed camera selection to use the system preferred camera on iOS. (109220107)

  • Fixed camera and microphone to all have groupIds. (109355290)

WKWebView

New Features

  • Added support for trying HTTPS for all navigations. (100477884)

  • Added support for the Proxy API. (100583135)

  • Added support for inline predictions for autocomplete. (105197136)


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