WWDC26 introduces six WebKit sessions covering CSS layouts, form controls, 3D models, and immersive experiences in Safari 27.
- •Grid Lanes enables CSS-only masonry layouts with flow-tolerance for accessibility without requiring JavaScript
- •Customizable Select offers full CSS control over <select> elements with HTML content in options using appearance: base-select
- •<model> element embeds interactive 3D objects with environmentmap, stagemode="orbit", and JavaScript API controls
- •Immersive website environments in visionOS 27 create spatial experiences directly from webpages using the Immersive API
- •Web Extensions support browser-based packaging and submission via App Store Connect without requiring Xcode
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