Release Notes for Safari Technology Preview 243

Safari Technology Preview Release 243 is now available for download for macOS Tahoe and macOS Sequoia. If you already have Safari Technology Preview installed, you can update it in System Settings under General → Software Update.

This release includes WebKit changes between: 310600@main…312007@main.

Accessibility

Resolved Issues

  • Fixed an issue where the contextmenu event was not fired for elements inside iframes when triggered by keyboard or assistive technology actions such as VoiceOver’s VO+Shift+M. (310897@main) (164128676)
  • Fixed an issue where color picker inputs could not be activated using VoiceOver’s press action. (311168@main) (172218114)
  • Fixed invalidation of aria-hidden=”true” when focus lands inside the aria-hidden subtree. (311648@main) (174449524)
  • Fixed VoiceOver support for base <select> elements, including closing the popover on selection and correcting accessibility path positioning when CSS transforms are present. (311587@main) (175058883)

Animations

Resolved Issues

  • Fixed an issue where !important declarations did not override CSS animation values when CSS transitions were also running on the same property. (310810@main) (174367827)
  • Fixed an issue where identity matrix decomposition generated invalid quaternions, resulting in incorrect transform animations. (311267@main) (174813328)

CSS

New Features

  • Added support for contain: style applying to CSS quote counters, as specified in CSS Containment Level 2. (311785@main) (84758186)
  • Added support for the insert keyword for the text-autospace property. (311503@main) (175031507)

Resolved Issues

  • Fixed flex layout to use the used flex-basis instead of the specified value for definiteness evaluation. (311579@main) (85707621)
  • Fixed an issue where element positioning was incorrect when the containing block was an anonymous block. (311275@main) (96548847)
  • Fixed an issue where box-shadow did not work on display: table-row elements. (310609@main) (96914376)
  • Fixed text-indent with calc() containing percentages to correctly treat percentage components as zero for intrinsic size contributions. (310759@main) (97025949)
  • Fixed an issue where out-of-flow content had an incorrect height when set to fit-content. (311375@main) (97492632)
  • Fixed an issue with percentage size resolution in flex items in quirks mode. (311590@main) (100183902)
  • Fixed an issue where clip-path: inset() border-radius values did not render correctly at certain element and clip-path sizes. (310643@main) (110847266)
  • Fixed -webkit-box flexbox emulation not sizing children correctly inside <fieldset> elements. (311784@main) (114094538)
  • Fixed: Improved performance on pages using :where and :is selectors. (311212@main) (114904007)
  • Fixed an issue where elements with display: table could have incorrect layout when borders were present. (311276@main) (116110440)
  • Fixed an issue where elements with border, position: absolute, and aspect-ratio: 1 were not rendered as squares. (311310@main) (126292577)
  • Fixed an issue where perspective-origin failed to resolve var() references when used as the second value, preventing animations from being applied. (310650@main) (131288246)
  • Fixed :focus-visible incorrectly matching after a programmatic focus() call triggered by clicking a button with child elements. (311768@main) (134337357)
  • Fixed an issue where the bottom margin of a last child element collapsed out of a parent with min-height. (311274@main) (134356544)
  • Fixed an issue where :has(:empty) continued to match after the targeted element’s content was dynamically changed to no longer be empty. (310932@main) (143864358)
  • Fixed an issue where floats and out-of-flow objects could be incorrectly adjacent to anonymous blocks. (311226@main) (144481961)
  • Fixed an issue where text gradually disappeared when toggling text-transform on elements with ::first-letter styling. (311201@main) (145550507)
  • Fixed an issue where height: max-content resolved to zero on absolutely positioned elements when a child had max-height: 100%. (311084@main) (147333178)
  • Fixed an issue where an inline-flex container with flex-direction: column did not update its width to match the intrinsic size of a child image when the image was not cached. (311141@main) (150260401)
  • Fixed an issue where non-replaced elements with aspect-ratio enforced the automatic minimum size even when min-width was explicitly set to 0. (311096@main) (156837730)
  • Fixed an issue where an element can’t anchor to its previous sibling. (310970@main) (162903640)
  • Fixed a regression where @scope styles did not apply to slotted elements in web components. (311333@main) (171383788)
  • Fixed an issue where dynamically inserting text before existing content did not update ::first-letter styling. (310719@main) (171649994)
  • Fixed an issue where ordered list numbers with large starting values were clipped off-screen. (311332@main) (172515216)
  • Fixed a regression where the ic length unit was incorrectly affected by page scaling. (311238@main) (173198587)
  • Fixed :placeholder-shown to correctly match input elements that have an empty placeholder attribute. (310781@main) (173604635)
  • Fixed computed value of auto insets or margins as returned by getComputedStyle() to be zero, if the element uses position-area or anchor-center. (311016@main) (173885561)
  • Fixed position-area not being able to anchor to an element positioned using anchor functions. (311601@main) (173964030)
  • Fixed CSS variable cycle detection to match the CSS Values Level 5 specification. (310610@main) (174105259)
  • Fixed url() token serialization in CSS custom properties. (310628@main) (174144616)
  • Fixed text-autospace to correctly handle supplementary Unicode characters. (310633@main) (174148315)
  • Fixed an issue where flex items with different order values caused incorrect baseline alignment. (310704@main) (174241817)
  • Fixed an issue where hovering over ::first-letter text showed a pointer cursor instead of the expected I-beam cursor. (310730@main) (174258447)
  • Fixed an issue where display: grid on a <fieldset> element added extra unnecessary space below its content. (311078@main) (174301311)
  • Fixed outline radii rendering for elements with a non-auto outline-style. (310784@main) (174328839)
  • Fixed an issue where aspect-ratio was not honored when the page was zoomed in. (310931@main) (174361289)
  • Fixed replaced elements to use the transferred size through intrinsic aspect ratio for min-content and max-content sizing. (310885@main) (174386310)
  • Fixed an issue where height: 100% on a child element altered the layout when the parent’s height was defined via aspect-ratio. (310877@main) (174448267)
  • Fixed margin collapse to be allowed when the preferred block size behaves as auto, per the CSS Sizing specification. (311011@main) (174547610)
  • Fixed an issue where document.styleSheets and shadowRoot.styleSheets incorrectly included adopted style sheets, which per the CSSOM specification should only appear in the final CSS style sheets list used for style resolution. (311074@main) (174583340)
  • Fixed the CSSOM preferred style sheet set name to be established at sheet creation time based on insertion order rather than tree order. (311077@main) (174586058)
  • Fixed highlight pseudo-elements such as ::selection and ::highlight to disallow vendor-prefixed properties, aligning with the CSS Pseudo-Elements specification. (311073@main) (174590593)
  • Fixed cycle detection and nested function call handling in CSS custom functions. (311178@main) (174609179)
  • Fixed an issue where word-break: break-all incorrectly allowed CJK close punctuation to appear at the start of a line. (311088@main) (174656971)
  • Fixed an issue where word-break: keep-all incorrectly suppressed line break opportunities at CJK punctuation characters. (311090@main) (174658701)
  • Fixed the FontFace constructor to reject with a SyntaxError instead of a NetworkError when a BufferSource fails to parse, per the CSS Font Loading specification. (311146@main) (174669738)
  • Fixed the FontFace family attribute to return the serialization of the parsed value. (311478@main) (174698351)
  • Fixed grid layout to correctly handle percentage and calc() values for the specified size suggestion. (311344@main) (174863227)
  • Fixed :has() sibling invalidation issues related to relation forwarding. (311583@main) (175006235)
  • Fixed an issue where min-width: auto was not correctly computed for flex items. (311578@main) (175157619)
  • Fixed an issue where percentage heights inside flex items did not resolve correctly in quirks mode. (311581@main) (175158571)
  • Fixed an issue where margin-trim: block-start did not apply to blocks nested inside inline boxes. (311584@main) (175162899)
  • Fixed an issue where dynamically changing display: contents on a <fieldset> legend caused incorrect rendering. (311585@main) (175163337)
  • Fixed: Improved :has() invalidation performance by including the full selector context in invalidation selectors. (311642@main) (175177078)
  • Fixed the CSS preload scanner to resolve relative @import URLs against the <base> element URL. (311744@main) (175305190)
  • Fixed -webkit-box flex distribution for children with orthogonal writing modes. (311787@main) (175323734)
  • Fixed calc(infinity) as a flex-grow factor not stretching a flex item to 100% width. (311956@main) (175431146)
  • Fixed :has() sibling invalidation failing due to an internal bitfield overflow, causing stale styles when siblings are added or removed. (311870@main) (175433733)
  • Fixed :has() invalidation for sibling combinators when elements are inserted or removed from the DOM. (311893@main) (175441568)
  • Fixed transition-property not preserving the specified case of <custom-ident> values during serialization. (311909@main) (175467206)
  • Fixed the will-change property not serializing correctly when used with non-property identifiers or identifiers in a non-standard case. (311918@main) (175482352)
  • Fixed percentage top and bottom values on relatively positioned elements not resolving when the containing block has aspect-ratio. (311942@main) (175502356)
  • Fixed: Updated the enhanced <select> element to use self-* keywords for anchor positioning. (311944@main) (175505107)
  • Fixed text-indent computation when tab stop positions are involved. (311971@main) (175529961)
  • Fixed calc() margin computations in flex layout. (311977@main) (175532405)
  • Fixed calc() margin computations for block, fieldset, and table caption layouts. (311987@main) (175548980)
  • Fixed handling of <li> value attributes in reversed ordered lists. (311996@main) (175558324)

Canvas

Resolved Issues

  • Fixed an issue where conic gradients applied to canvas arc strokes were not rendered correctly. (310865@main) (173536875)

Editing

Resolved Issues

  • Fixed an issue where characters styled with ::first-letter were not selectable. (311287@main) (5688237)
  • Fixed font size 13pt being incorrectly mapped to <font size="2"> (10pt) when using rich text editing. (311700@main) (15292320)
  • Fixed an issue where adjusting text selection with touch handles was prevented by JavaScript touch event handling on some websites. (311216@main) (151851274)
  • Fixed an issue where text selection was lost when focus transitioned from a contentEditable element to a non-editable target. (310670@main) (171221909)

Encoding

Resolved Issues

  • Fixed an issue where CJK encoding state was not reset appropriately during text decoding. (311075@main) (174649963)

Forms

Resolved Issues

  • Fixed an issue where <select> control rendering was broken in vertical writing mode. (310622@main) (174068353)
  • Fixed a performance issue where parsing <select> elements with thousands of <option> children via innerHTML caused O(n²) overhead due to repeated list recalculation. (310930@main) (174244946)
  • Fixed an issue where date and time input types without min or max attributes incorrectly matched the :in-range pseudo-class. (311279@main) (174829899)
  • Fixed an issue where cloned <input> and <textarea> elements did not preserve their user-modified state. (311346@main) (174892989)
  • Fixed <option> elements to correctly implement the HTML specification’s dirtiness concept for tracking user-modified selected state. (311746@main) (175306111)
  • Fixed the default display value for <optgroup> and <option> elements to block, matching the behavior of other browsers. (311911@main) (175473184)

HTML

New Features

  • Added support for the shadowrootslotassignment attribute on declarative shadow roots. (311295@main) (173227340)

Resolved Issues

  • Fixed parsing of javascript: URLs to align with the specification. (311381@main) (147612682)
  • Fixed the HTML preload scanner to skip preloading stylesheets that have the disabled attribute. (311776@main) (173378582)
  • Fixed document named item collection to include all <object> elements, aligning with other browser engines. (310974@main) (174537345)
  • Fixed window.open() to correctly consume user activation when creating a new browsing context, aligning with the HTML specification. (311026@main) (174587258)
  • Fixed remaining issues with <img sizes="auto"> to fully align with the specification. (311138@main) (174684058)
  • Fixed an issue where dir=auto on <slot> elements did not update when slotted content changed. (311325@main) (174871706)
  • Fixed an issue where <option> elements rendered incorrectly when the label attribute was empty. (311421@main) (174979446)
  • Fixed an issue where the preload scanner incorrectly skipped <source> elements with an empty type attribute inside <picture>. (311568@main) (175094037)
  • Fixed innerText to emit a newline for empty <option> or <optgroup> inside <select>. (311673@main) (175245381)
  • Fixed HTML floating-point number parsing to correctly handle values with a leading + sign. (311735@main) (175300431)
  • Fixed keyboard focus getting stuck when tabbing through iframes that do not contain any focusable elements. (311922@main) (175375806)

Deprecations

  • Deprecated the href attribute on all MathML elements except <a>. (311550@main) (173996661)

JavaScript

Resolved Issues

  • Fixed multiple top-level await correctness bugs with a rewrite of the ES module loader for standards compliance. (311236@main) (97370038)
  • Fixed regular expressions in Unicode mode to not count non-capturing groups and modifiers toward the number of available backreferences. (311974@main) (167746769)
  • Fixed an issue where regular expressions with non-BMP characters could skip valid match positions when alternating between patterns. (310677@main) (174200307)
  • Fixed an issue where regular expression captures were not properly cleared when backtracking out of fixed-count parenthesized groups and negative lookaheads. (310679@main) (174201284)
  • Fixed an issue where import { "*" as x } was incorrectly treated as a namespace import instead of a named import using the string "*" as a ModuleExportName. (310776@main) (174314099)
  • Fixed an issue where RegExp.prototype.exec and RegExp.prototype.test could match against a stale pattern if lastIndex has a valueOf that calls RegExp.prototype.compile. (310887@main) (174461752)
  • Fixed an issue where async functions using module-scoped variables could fail when the DFG JIT optimized scope resolution. (311044@main) (174626957)
  • Fixed an issue where Intl.Segmenter with granularity: "word" incorrectly reported isWordLike: false for numeric segments. (311507@main) (175057894)
  • Fixed Object.defineProperties to call Proxy traps in the correct order. (311520@main) (175068687)
  • Fixed an issue where Intl.Locale did not canonicalize before overriding the language. (311538@main) (175092327)
  • Fixed time zone identifiers to return primary IANA time zone IDs instead of legacy ICU identifiers. (311604@main) (175098682)
  • Fixed Intl.DateTimeFormat to preserve the original legacy timezone identifier instead of replacing it with the primary IANA ID. (311724@main) (175206605)
  • Fixed Promise.prototype.finally to throw a TypeError when @@species is not a constructor, matching the behavior of other browsers. (311725@main) (175290627)
  • Fixed the regular expression engine to reject dangling hyphens in character class syntax when using the /v flag. (311999@main) (175559808)

Media

New Features

  • Added support for setting TextTrackCue.endTime to Infinity to represent an unbounded cue duration. (311730@main) (71042767)

Resolved Issues

  • Fixed an issue on iPad where exiting fullscreen on a media document incorrectly navigated back to the previous page instead of returning to the inline view. (310718@main) (137220651)
  • Fixed an issue where the darkening overlay on inline video controls made accurate scrubbing difficult and displayed video content incorrectly on macOS. (311473@main) (161271114)
  • Fixed HTMLMediaElement.currentTime to report smoothly progressing values instead of updating only at fixed intervals. (311867@main) (170115677)
  • Fixed Encrypted Media Extensions to check support for the full content type including codecs, rather than only the MIME type. (310696@main) (173852931)
  • Fixed an issue where the volume slider in video media controls could not be dragged. (311328@main) (174179871)
  • Fixed an issue where setting HTMLMediaElement.volume had no effect when the element was connected to an AudioContext. (310958@main) (174278899)
  • Fixed a regression where videos would stop playing and lose audio after a few seconds on some websites. (311698@main) (174966899)
  • Fixed an issue where U+0000 (NULL) characters were not allowed in VTTCue text content. (311539@main) (175084171)
  • Fixed video content disappearing after switching to another tab and back. (311771@main) (175257980)
  • Fixed WebVTT cue settings line parsing failures. (311729@main) (175296476)

Networking

Resolved Issues

  • Fixed redirects to data: URLs to be blocked for subresources such as images and scripts, aligning with the Fetch specification. (311023@main) (74165956)
  • Fixed an issue where the multipart form data parser incorrectly required CRLF after the closing delimiter, causing some web applications to fail to render correctly. (311089@main) (174348783)

PDF

Known Issues

  • Fixed PDF scrollbars to adapt to dark appearance. (311985@main) (174763396)

Rendering

Resolved Issues

  • Fixed an issue where ::first-letter styles caused Range.getClientRects() and Range.getBoundingClientRect() to return incorrect dimensions. (311085@main) (71546397)
  • Fixed incorrect distributed height in table rows when a <td> element has an explicit height set. (311001@main) (78549188)
  • Fixed position: relative on table rows (<tr>) to correctly establish a containing block for absolutely positioned descendants. (310995@main) (94294819)
  • Fixed incorrect box sizing on inline elements when they have no siblings and their padding-left plus margin-left equals zero. (311080@main) (162376969)
  • Fixed an issue where space-taking scrollbars did not trigger a proper re-layout when the box size depends on content size. (311766@main) (166836126)
  • Fixed an issue where images with min-width: fit-content rendered at an incorrect width. (310994@main) (169359566)
  • Fixed an issue where overlay backgrounds would briefly dim incorrectly when de-compositing in a scrollable container. (311198@main) (171024685)
  • Fixed a regression where table content intermittently disappeared and reappeared. (311411@main) (171179878)
  • Fixed an issue with outside list markers when blockification prevents line-box parenting. (311221@main) (173417560)
  • Fixed an inverted Y-axis comparison that could cause incorrect caret positioning. (310626@main) (174144220)
  • Fixed an issue where <br> elements with line-height: 0 still created extra vertical space, failing to respect the declared line height. (310839@main) (174400946)
  • Fixed auto outlines to more closely follow the border radii of elements. (310900@main) (174466854)
  • Fixed rendering of gradients in non-sRGB color spaces. (311406@main) (174880197)
  • Fixed image-orientation being ignored for background-image, border-image, and list-style-image. (311390@main) (174894122)
  • Fixed a white-space: pre-wrap layout issue with justified text. (311385@main) (174937310)
  • Fixed an issue where minimum height was not correctly computed for flex items. (311443@main) (174999995)
  • Fixed an issue with flex-wrap and flex factor computation for wrapping flex items. (311456@main) (175012395)
  • Fixed vertical writing-mode content incorrectly wrapping when the parent has auto height. (311630@main) (175123356)
  • Fixed minimum height calculation for flex items. (311623@main) (175195518)
  • Fixed incorrect bounding box position for newline characters. (311668@main) (175243361)

SVG

Resolved Issues

  • Fixed an issue where backslash-escaped dot characters in SVG animation timing attribute ID references were not parsed correctly. (310805@main) (94260935)
  • Fixed SVG2 systemLanguage attribute to improve parsing and compliance with the specification. (311439@main) (116427520)
  • Fixed the SMIL values attribute to preserve empty values and handle trailing semicolons. (311502@main) (173594455)
  • Fixed SVG2 getStartPositionOfChar and getEndPositionOfChar to be more compliant with the specification. (311450@main) (174145885)
  • Fixed SVG intrinsic aspect ratio being incorrectly suppressed when preserveAspectRatio is set to none. (311723@main) (175173375)
  • Fixed SVG images without complete intrinsic dimensions incorrectly using ratio-based scaling for background-size. (311817@main) (175345107)

Scrolling

Resolved Issues

  • Fixed an issue where tabbing in a scroll container with scroll-padding did not scroll the focused element into view. (311512@main) (147513379)
  • Fixed rubberbanding behaving incorrectly when a site triggers a smooth scroll to the top during a rubberband. (311641@main) (170705188)
  • Fixed an issue on iOS where composited layers would briefly flash blank when window.scrollTo() was called synchronously with a DOM layout change. (310864@main) (173197381)
  • Fixed an issue where calling scrollIntoView() on a scrollable element incorrectly scrolled the element’s own contents. (310734@main) (174173683)
  • Fixed scroll anchoring interfering with rubberbanding on some websites. (311686@main) (175195943)

Spatial Web

Resolved Issues

  • Fixed an issue on visionOS where fullscreen video would sometimes jump when exiting fullscreen if the browser window was narrower than the video. (311116@main) (174454557)

UI

Resolved Issues

  • Fixed: Tab key behaves incorrectly inside a PopupMenu (174468005)

Web API

Resolved Issues

  • Fixed Web IDL bindings to correctly reject SharedArrayBuffer where [AllowShared] is not specified. (311536@main) (107786134)
  • Fixed an issue on visionOS where the gamepadconnected event did not fire unless gamepad permission had already been granted. (311465@main) (141623162)
  • Fixed an issue where CSPViolationReportBody did not include the source line number in Content Security Policy violation reports. (311040@main) (152607402)
  • Fixed an issue where history.replaceState() on a traversed history entry incorrectly changed navigation.currentEntry.key to a new UUID instead of preserving the original key. (310849@main) (173388766)
  • Fixed the Credential Management API to properly define which credential types are allowed in the same get() request. (311988@main) (173918198)
  • Fixed an issue where event.target was not set after dispatching an event in a shadow tree with no listeners. (310621@main) (174136382)
  • Fixed an issue where navigator.credentials.create() and navigator.credentials.get() discarded the AbortSignal reason and always rejected with a generic AbortError. (310782@main) (174220589)
  • Fixed a missing return in the Navigation API’s performTraversal that caused incorrect behavior when traversing to an unknown key. (311161@main) (174513305)
  • Fixed Range.extractContents() to not extract out-of-bounds nodes when the end container is removed during extraction. (310770@main) (174307275)
  • Fixed document.createEvent() to throw an exception for "MutationEvents", "MutationEvent", "PopStateEvent", and "WheelEvent", aligning with other browser engines. (310792@main) (174339775)
  • Fixed ParentNode.append() to correctly de-duplicate nodes when the same node is passed multiple times. (310807@main) (174365465)
  • Fixed an issue where MutationObserver delivered childList records in the wrong order when script ran during node insertion. (310812@main) (174368989)
  • Fixed an issue where setting a URL object’s port property to whitespace behaved incorrectly. (310919@main) (174484035)
  • Fixed Blob.slice() to correctly clamp fractional start and end parameters using round-half-to-even rounding per the File API specification, which may change how edge-case fractional values like 0.5 are rounded. (310992@main) (174555334)
  • Fixed postMessage() to validate transferable object states after serialization, aligning with the HTML specification. (310996@main) (174558047)
  • Fixed structuredClone() and window.postMessage() to correctly throw a DataCloneError when serializing a SharedArrayBuffer outside of cross-origin isolated contexts. (310998@main) (174562553)
  • Fixed an issue where calling Element.blur() on an <iframe> did not reset document.activeElement to <body>. (311452@main) (174591529)
  • Fixed document.styleSheets to be accessible on documents created by DOMParser. (311043@main) (174625774)
  • Fixed innerText getter to correctly handle trailing newlines and blank lines for <p> elements and headings. (311057@main) (174642704)
  • Fixed innerText whitespace handling at inline-block boundaries. (311163@main) (174713114)
  • Fixed XMLSerializer namespace handling to correctly serialize elements with namespace prefixes. (311184@main) (174726401)
  • Fixed the innerText getter to preserve newlines for elements with white-space: pre-line. (311185@main) (174727341)
  • Fixed innerText handling of replaced elements at block boundaries. (311269@main) (174816319)
  • Fixed EventSource to be closed when window.stop() is called. (311281@main) (174830925)
  • Fixed innerText to not fall back to textContent for elements with display: contents. (311339@main) (174883499)
  • Fixed innerText to preserve the contents of <option> elements inside <select>. (311449@main) (175006854)
  • Fixed Element.innerText to collect option text when called directly on a <select> element. (311576@main) (175156630)
  • Fixed worker scripts to always be decoded as UTF-8, as per the specification. (311761@main) (175327455)
  • Fixed an issue where ancestors of TreeWalker.currentNode could be prematurely garbage collected. (311873@main) (175442228)

Web Extensions

New Features

  • Added reporting of uncaught JavaScript exceptions and unhandled promise rejections in Web Extension scripts. (311150@main) (174354070)

Resolved Issues

  • Fixed browser.i18n.getMessage() to correctly substitute named placeholders when they appear adjacent to non-space characters. (311685@main) (169146196)
  • Fixed browser.i18n.getMessage() to correctly substitute two adjacent named placeholders. (311769@main) (175315700)

Web Inspector

New Features

  • Added Subgrid and Grid-Lanes badges to the Elements tab for easier identification of subgrid and grid-lanes layout contexts. (310936@main) (173681497)
  • Added the layout root element to Layout event details in the Timeline tab. (311847@main) (175419350)

Resolved Issues

  • Fixed editing inline style attribute values in the Elements panel resulting in truncated or malformed content. (311717@main) (149523483)
  • Fixed the Network tab filtering by resource type not working after clearing a filter that had no matches. (311947@main) (161570940)
  • Fixed an issue where CSS rules added via the “Add New Rule” button in the Styles panel were intermittently not applied or would vanish after entering a property. (310921@main) (164971557)
  • Fixed an issue by removing a setting that incorrectly blocked the WebInspector service in the sandbox. (310631@main) (173330816)
  • Fixed an issue where the debugger selected the wrong thread when multiple WebAssembly virtual machines stopped simultaneously. (310847@main) (174187067)
  • Fixed the Layers 3D view to correctly map textures to composited bounds and use proper selection highlighting instead of tinting textures. (310891@main) (174355052)
  • Fixed the Layers 3D view to re-snapshot preserved layers after a repaint instead of displaying stale textures. (310892@main) (174358757)
  • Fixed an issue where Web Inspector showed empty source information for WebAssembly modules compiled via WebAssembly.instantiateStreaming. (310852@main) (174362152)
  • Fixed Web Inspector to display meaningful names for WebAssembly modules derived from the name section and source URL instead of address-based fallback names. (310961@main) (174465437)
  • Fixed an issue where all folder tree elements were expanded after filtering for a resource in the Sources panel. (311459@main) (175009135)
  • Fixed an erroneous “There are unread messages that have been filtered” banner appearing in the Console when console.groupCollapsed() is used. (311764@main) (175279759)
  • Fixed an issue in the Storage tab where filtering by storage type did not reveal the popup with options. (311945@main) (175444192)

WebAssembly

Resolved Issues

  • Fixed incorrect IntegerOverflow exceptions thrown by i32.rem_s, i64.rem_s, i32.div_u, i64.div_u, i32.rem_u, and i64.rem_u when both operands are constants. (311898@main) (175122462)

WebGPU

New Features

  • Added support for the clip_distances builtin value in WGSL shaders. (311824@main) (129202606)

Resolved Issues

  • Fixed rendering failing when using direct GPUTexture objects instead of GPUTextureView with multisampled resolve targets in render passes. (311938@main) (175452924)

WebRTC

Resolved Issues

  • Fixed WebRTC VP9 encoders to correctly propagate frame colorspace information. (311065@main) (174008548)
  • Fixed a regression where RTCPeerConnection with iceTransportPolicy: "relay" failed to gather ICE candidates. (311432@main) (174794660)
  • Fixed RTCInboundRtpStreamStats.trackIdentifier to match MediaStreamTrack.id. (311455@main) (174938984)