Release Notes for Safari Technology Preview 250
Safari Technology PreviewRelease 250 is nowavailable for downloadfor macOS Golden Gate and macOS Tahoe. If you already have Safari Technology Preview installed, you can update it in System Settings under. . .
Safari Technology PreviewRelease 250 is nowavailable for downloadfor macOS Golden Gate and macOS Tahoe. 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:317507@main…317934@main. AccessibilityResolved IssuesFixed VoiceOver reading a stray newline and skipping lines when navigating awhose value ends in a line break. (317784@main) (182912872)CSSNew FeaturesAdded support for thespacesvalue of theruby-overhangproperty, which limits annotation overhang to adjacent spaces and punctuation, withnonenow an alias forspaces. (317569@main) (181808420)Added support for thecontentproperty on the::markerpseudo-element. (317570@main) (182750380)Added support for thetext-decoration-insetproperty. (317571@main) (182750933)Added support for thewhite-space-trimproperty. (317573@main) (182751076)Added support for thewrap-insideproperty. (317574@main) (182751559)Resolved IssuesFixed alist-style-position: insidemarker glyph being painted one device pixel away from the equivalent inline text. (317789@main) (182447949)Fixedtext-decorationspecified on::selectionnever being painted. (317673@main) (182757292)Fixed a text decoration on::selectionnot being painted when the selected text had no decoration of its own. (317695@main) (182864748)Fixed amax-contentsized block collapsing to zero width when its child used an orthogonal writing mode. (317781@main) (183026896)DeprecationsRemoved support for the non-standardtextcolor value; usecanvastextinstead. (317687@main) (100364547)EditingNew FeaturesAdded support for copying and pastingimage/svg+xmldata with the Clipboard API, sanitizing the markup on both read and write. (317528@main) (137553836)JavaScriptNew FeaturesAdded support for the Explicit Resource Management proposal, includingusingandawait usingdeclarations,Symbol. dispose,DisposableStack, andAsyncDisposableStack. (317894@main) (103209363)Added support forIterator. zip()andIterator. zipKeyed()from the Joint Iteration proposal. (317886@main) (180967133)Added JavaScript and WebAssembly feature flags alongside other web feature settings. (317306@main (https://commits. webkit. org/317306@main)) (182210113)MediaResolved IssuesFixed a spuriouspauseandendedevent firing on a live HLS stream when playback reached the live edge. (317626@main) (100556746)Fixed a media fragment with an out-of-range hours value being accepted as a valid seek instead of being rejected. (317869@main) (181820705)Fixed a WebVTT cue incorrectly inheriting a preceding line as its identifier across aREGIONorSTYLEblock. (317811@main) (181977285)NetworkingNew FeaturesAdded initial support for uploading aReadableStreambody withfetch(). (317724@main) (182510365)Added support for theduplexoption onRequest, which is required when uploading aReadableStreambody. (317768@main) (182802330)ScrollingResolved IssuesFixedscrollIntoView()on an inline element sharing a line with a much taller element scrolling to the top of the line box instead of to the element. (317933@main) (178491868)Fixed paged scrolling with Page Down or the spacebar skipping over intermediate scroll snap points. (317562@main) (182562852)Fixed a crash that could occur while sending a scroll update during window tear-down. (317785@main) (182972245)Fixed re-snapping after layout always preferring a focused element, instead of only when focus has changed. (317892@main) (183146768)StorageResolved IssuesFixed an IndexedDBput()that fails a unique index constraint deleting the record it would have overwritten, leaving the object store with neither the old nor the new record. (317632@main) (181513905)Web APIResolved IssuesFixed Digital Credentialsget()being rejected in an iframe inside a focused window. (317656@main) (109191868)Web InspectorNew FeaturesAdded support for showing WebAssembly modules in the Sources tab. (317891@main) (182605814)Resolved IssuesFixed disabling the resource cache overwriting aCache-Controlheader already set by the page. (317814@main) (183072123)WebAssemblyNew FeaturesAdded support for relaxed SIMD instructions. (317549@main) (180967232)Added support for multiple memories in a single WebAssembly module. (317636@main) (182219080)WebDriverNew FeaturesAdded support for the “consume user activation” extension command, which consumes the current browsing context’s transient user activation and reports whether it was present. (317715@main) (102634281)