Baseline Updates
Updates to the Baseline collection indicating which browser features are widely available. Including RSS feeds (both for all updates and individual tags): 
The data source is the repository owned by W3C WebDX (aka web developer experience) Community Group. The data is updated every 24 hours. See also their definition of high vs low Baseline support, but tl;dr:
- Low Baseline: Each current stable release of the core browsers has full support. Core browsers are Safari (iOS and macOS), Chrome (Android and desktop), Edge, and Firefox (Android and desktop).
- High Baseline: The feature has been in Low Baseline for 30 months.
Built by rixx (fedi, github) out of the frustration of web.dev of all places not providing RSS feeds, and there being no other source of updates that say “hey, web dev, use this cool feature now”.
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New in High Baseline Support: User activation
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New in High Baseline Support: rlh unit
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New in High Baseline Support: lh unit
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New in Low Baseline Support: Container style queries
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New in Low Baseline Support: ToggleEvent source
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New in Low Baseline Support: :open
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New in Low Baseline Support: text-decoration-skip-ink: all
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New in Low Baseline Support: crisp-edges
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New in Low Baseline Support: Shared worker
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New in Low Baseline Support: JavaScript modules in shared workers
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New in High Baseline Support: :user-valid and :user-invalid
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New in High Baseline Support: Clip path boxes
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New in High Baseline Support: Web authentication easy public key access
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New in High Baseline Support: String isWellFormed() and toWellFormed()
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New in High Baseline Support: ARIA attribute reflection
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New in High Baseline Support: <search>
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New in Low Baseline Support: Math.sumPrecise()
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New in Low Baseline Support: contrast-color()
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New in Low Baseline Support: WebTransport
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New in Low Baseline Support: Reporting API
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New in Low Baseline Support: CSP violation reports
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New in Low Baseline Support: Readable byte streams
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New in Low Baseline Support: Iterator.concat()
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New in Low Baseline Support: Custom highlights
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New in Low Baseline Support: Math font family
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New in Low Baseline Support: baseline-shift
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New in High Baseline Support: Update frequency media query
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New in High Baseline Support: Storage manager
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New in High Baseline Support: Overflow media queries
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New in High Baseline Support: <link rel="modulepreload">
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New in High Baseline Support: image-set()
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New in High Baseline Support: Hyphenation
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New in High Baseline Support: Hyphenate character
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New in High Baseline Support: Device orientation events
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New in High Baseline Support: @counter-style
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New in High Baseline Support: contain-intrinsic-size
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New in High Baseline Support: Subgrid
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New in Low Baseline Support: text-indent: hanging
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New in Low Baseline Support: text-indent: each-line
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New in Low Baseline Support: Branch hinting (WebAssembly)
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New in Low Baseline Support: Trusted types
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New in Low Baseline Support: shape()
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New in Low Baseline Support: Map getOrInsert()
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New in Low Baseline Support: Zstandard compression
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New in High Baseline Support: dirname
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New in High Baseline Support: Two-value display property
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New in Low Baseline Support: ric unit
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New in Low Baseline Support: rex unit
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New in Low Baseline Support: rch unit
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New in Low Baseline Support: rcap unit
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New in Low Baseline Support: Navigation API
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New in Low Baseline Support: JavaScript modules in service workers
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New in Low Baseline Support: Active view transition
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New in High Baseline Support: Array by copy
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New in High Baseline Support: animation-composition
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New in Low Baseline Support: Spelling and grammar text decorations
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New in Low Baseline Support: scrollend
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New in Low Baseline Support: scrollbar-color
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New in Low Baseline Support: @scope
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New in Low Baseline Support: Largest contentful paint (LCP)
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New in Low Baseline Support: Invoker commands
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New in Low Baseline Support: Math font family
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New in Low Baseline Support: Event timing
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New in Low Baseline Support: document.caretPositionFromPoint()
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New in Low Baseline Support: @scope
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New in High Baseline Support: window.print()
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New in High Baseline Support: JavaScript modules in workers
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New in High Baseline Support: calc() keywords
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New in Low Baseline Support: Atomics.waitAsync
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New in High Baseline Support: WebRTC SCTP information
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New in High Baseline Support: Oklab and Oklch
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New in High Baseline Support: :nth-child() of <selector>
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New in High Baseline Support: Lab and LCH
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New in High Baseline Support: Compression streams
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New in High Baseline Support: color-mix()
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New in High Baseline Support: color()
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New in Low Baseline Support: View transitions
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New in Low Baseline Support: view-transition-class
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New in High Baseline Support: inert
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New in High Baseline Support: Canvas roundRect()
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New in High Baseline Support: Canvas createConicGradient()
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New in Low Baseline Support: WebRTC encoded transform
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New in High Baseline Support: Fixed-width SIMD (WebAssembly)
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New in High Baseline Support: Imperative slot assignment
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New in High Baseline Support: Server timing
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New in High Baseline Support: Screen orientation
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New in High Baseline Support: Resource size
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New in High Baseline Support: requestAnimationFrame() in workers
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New in High Baseline Support: Push messages
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New in High Baseline Support: pdfViewerEnabled
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New in High Baseline Support: outline
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New in High Baseline Support: Origin private file system
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New in High Baseline Support: Offscreen canvas
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New in High Baseline Support: messageerror
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New in High Baseline Support: Media query range syntax
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New in High Baseline Support: Import maps
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New in High Baseline Support: Form-associated custom elements
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New in High Baseline Support: font-synthesis-weight
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New in High Baseline Support: font-synthesis-style
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New in High Baseline Support: font-synthesis-small-caps
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New in High Baseline Support: Constructed stylesheets
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New in Low Baseline Support: ::details-content
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New in Low Baseline Support: URLPattern
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New in Low Baseline Support: Unsanitized HTML parsing methods
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New in Low Baseline Support: <link rel="dns-prefetch">
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New in Low Baseline Support: content-visibility
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New in High Baseline Support: translate
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New in High Baseline Support: sin(), cos(), tan(), asin(), acos(), atan(), and atan2() (CSS)
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New in High Baseline Support: font-variant-alternates
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New in Low Baseline Support: Uint8Array base64 and hex conversion
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New in Low Baseline Support: <input type="file" webkitdirectory>
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New in Low Baseline Support: Selection composed ranges
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New in High Baseline Support: Container queries
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New in High Baseline Support: color-gamut media query
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New in High Baseline Support: MathML
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New in Low Baseline Support: abs() and sign()
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New in High Baseline Support: OES_draw_buffers_indexed WebGL extension
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New in High Baseline Support: Small, large, and dynamic viewport units
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New in Low Baseline Support: dialog.requestClose()
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New in High Baseline Support: font-palette
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New in Low Baseline Support: RegExp.escape()
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New in Low Baseline Support: print-color-adjust
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New in Low Baseline Support: JSON import attributes
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New in High Baseline Support: Grid animation
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New in Low Baseline Support: Single color stop gradients
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New in Low Baseline Support: Float16Array
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New in High Baseline Support: ic unit
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New in Low Baseline Support: Float16Array
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New in Low Baseline Support: Atomics.pause()
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New in Low Baseline Support: Screen wake lock
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New in Low Baseline Support: JSON source text access
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New in Low Baseline Support: Iterator methods
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New in Low Baseline Support: ClipboardItem.supports()
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New in High Baseline Support: text-align-last
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New in High Baseline Support: resolution media query
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New in High Baseline Support: Permissions
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New in High Baseline Support: overscroll-behavior
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New in High Baseline Support: overflow: clip
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New in High Baseline Support: Motion path
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New in High Baseline Support: Forced colors
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New in High Baseline Support: Inline-size containment
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New in Low Baseline Support: Intl.DurationFormat
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New in Low Baseline Support: contenteditable="plaintext-only"
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New in High Baseline Support: :modal
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New in High Baseline Support: Array findLast() and findLastIndex()
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New in High Baseline Support: Individual transform properties
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New in Low Baseline Support: Popover
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New in High Baseline Support: Style containment
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New in Low Baseline Support: Promise.try()
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New in High Baseline Support: Streams
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New in Low Baseline Support: Tail call optimization (WebAssembly)
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New in Low Baseline Support: Garbage collection (WebAssembly)
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New in Low Baseline Support: ::target-text
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New in Low Baseline Support: scrollbar-width
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New in Low Baseline Support: scrollbar-gutter
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New in Low Baseline Support: ruby-position
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New in Low Baseline Support: ruby-align
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New in Low Baseline Support: Page setup
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New in High Baseline Support: prefers-contrast media query
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New in High Baseline Support: Exception handling (WebAssembly)
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New in High Baseline Support: dynamic-range media query
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New in Low Baseline Support: Color management for WebGL2
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New in Low Baseline Support: Color management for WebGL
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New in Low Baseline Support: requestVideoFrameCallback()
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New in Low Baseline Support: Fetch priority
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New in High Baseline Support: Media capabilities
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New in High Baseline Support: HWB
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New in Low Baseline Support: text-wrap
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New in Low Baseline Support: text-wrap: stable
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New in Low Baseline Support: text-wrap-mode
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New in Low Baseline Support: Scroll to text fragment
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New in Low Baseline Support: Typed function references (WebAssembly)
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New in Low Baseline Support: Relative colors
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New in Low Baseline Support: getHTML
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New in Low Baseline Support: cookieEnabled
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New in Low Baseline Support: content-visibility
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New in Low Baseline Support: willReadFrequently
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New in Low Baseline Support: backdrop-filter
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New in High Baseline Support: Locks
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New in High Baseline Support: 3D transforms
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New in High Baseline Support: text-decoration-skip-ink
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New in High Baseline Support: text-combine-upright
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New in High Baseline Support: structuredClone()
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New in High Baseline Support: String at()
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New in High Baseline Support: scroll-behavior
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New in High Baseline Support: Object.hasOwn()
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New in High Baseline Support: hardwareConcurrency
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New in High Baseline Support: :focus-visible
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New in High Baseline Support: <dialog>
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New in High Baseline Support: contain
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New in High Baseline Support: Size containment
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New in High Baseline Support: Paint containment
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New in High Baseline Support: Layout containment
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New in High Baseline Support: Cascade layers
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New in High Baseline Support: BroadcastChannel
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New in High Baseline Support: background-attachment
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New in High Baseline Support: ::backdrop
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New in High Baseline Support: Array at()
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New in High Baseline Support: appearance
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New in High Baseline Support: text-emphasis
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New in Low Baseline Support: Mutually exclusive <details> elements
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New in Low Baseline Support: transition-behavior
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New in Low Baseline Support: @starting-style
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New in High Baseline Support: color-scheme
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New in Low Baseline Support: font-size-adjust
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New in Low Baseline Support: Resizable buffers
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New in Low Baseline Support: Relative colors
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New in Low Baseline Support: Registered custom properties
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New in Low Baseline Support: Unsanitized HTML parsing methods
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New in Low Baseline Support: Alt text for generated content
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New in High Baseline Support: font-synthesis
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New in High Baseline Support: Threads and atomics (WebAssembly)
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New in High Baseline Support: SharedArrayBuffer and Atomics
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New in Low Baseline Support: Set methods
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New in Low Baseline Support: <link rel="dns-prefetch">
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New in Low Baseline Support: Gradient interpolation
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New in Low Baseline Support: Async clipboard
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New in High Baseline Support: inputmode
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New in High Baseline Support: Contenteditable
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New in High Baseline Support: Reference types (WebAssembly)
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New in Low Baseline Support: :state()
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New in Low Baseline Support: round(), mod(), and rem()
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New in Low Baseline Support: zoom
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New in Low Baseline Support: text-wrap: balance
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New in Low Baseline Support: light-dark()
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New in High Baseline Support: fit-content
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New in High Baseline Support: Enterkeyhint
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New in High Baseline Support: Non-trapping float-to-int conversion (WebAssembly)
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New in High Baseline Support: Bulk memory operations (WebAssembly)
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New in High Baseline Support: Navigation timing
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New in Low Baseline Support: Vertical form controls
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New in Low Baseline Support: AbortSignal.timeout()
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New in Low Baseline Support: transform-box
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New in Low Baseline Support: Popover
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New in Low Baseline Support: Intl.Segmenter
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New in Low Baseline Support: align-content in block layouts
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New in High Baseline Support: image-rendering
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New in Low Baseline Support: paint-order
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New in High Baseline Support: WebGL2
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New in High Baseline Support: WEBGL_color_buffer_float WebGL extension
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New in High Baseline Support: Top-level await
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New in High Baseline Support: Referrer policy
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New in High Baseline Support: Logical properties
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New in High Baseline Support: IndexedDB
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New in High Baseline Support: EXT_color_buffer_float WebGL extension
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New in High Baseline Support: Events
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New in High Baseline Support: Error cause
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New in High Baseline Support: createImageBitmap
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New in High Baseline Support: BigInt64Array
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New in High Baseline Support: aspect-ratio
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New in Low Baseline Support: white-space-collapse
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New in Low Baseline Support: text-wrap
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New in Low Baseline Support: text-wrap: nowrap
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New in Low Baseline Support: AbortSignal.any()
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New in High Baseline Support: Web authentication
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New in High Baseline Support: System font
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New in Low Baseline Support: Extended constant expressions (WebAssembly)
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New in Low Baseline Support: Transferable ArrayBuffer
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New in Low Baseline Support: Promise.withResolvers()
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New in Low Baseline Support: checkVisibility()
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New in Low Baseline Support: Array grouping
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New in Low Baseline Support: Declarative shadow DOM
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New in High Baseline Support: Visual viewport API
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New in High Baseline Support: tab-size
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New in Low Baseline Support: AVIF
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New in Low Baseline Support: Array.fromAsync()
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New in Low Baseline Support: rect() and xywh()
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New in Low Baseline Support: rect() and xywh()
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New in Low Baseline Support: Lazy-loading images and iframes
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New in Low Baseline Support: :has()
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New in Low Baseline Support: preservesPitch
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New in Low Baseline Support: Preloading responsive images
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New in Low Baseline Support: Nesting
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New in Low Baseline Support: linear() easing
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New in Low Baseline Support: createImageBitmap
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New in Low Baseline Support: counter-set
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New in Low Baseline Support: cap unit
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New in Low Baseline Support: Canvas reset()
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New in Low Baseline Support: URL.canParse()
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New in Low Baseline Support: scripting media query
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New in Low Baseline Support: Masks
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New in Low Baseline Support: pow(), sqrt(), hypot(), log(), and exp()
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New in Low Baseline Support: :dir()
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New in Low Baseline Support: background-clip: text
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New in Low Baseline Support: Storage access
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New in Low Baseline Support: User activation
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New in Low Baseline Support: rlh unit
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New in Low Baseline Support: lh unit
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New in Low Baseline Support: :user-valid and :user-invalid
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New in Low Baseline Support: Clip path boxes
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New in High Baseline Support: Web Audio
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New in High Baseline Support: Weak references
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New in High Baseline Support: Sign extension operators (WebAssembly)
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New in High Baseline Support: BigInt to i64 conversion (WebAssembly)
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New in High Baseline Support: Quotes
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New in High Baseline Support: Paint timing
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New in High Baseline Support: OfflineAudioContext
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New in High Baseline Support: OES_fbo_render_mipmap WebGL extension
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New in High Baseline Support: MediaStream recording
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New in High Baseline Support: Intl.ListFormat
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New in High Baseline Support: Intl.DisplayNames
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New in High Baseline Support: Date and time <input> types
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New in High Baseline Support: Flexbox gap
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New in High Baseline Support: ::file-selector-button
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New in High Baseline Support: AudioWorklet
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New in Low Baseline Support: Web authentication easy public key access
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New in Low Baseline Support: String isWellFormed() and toWellFormed()
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New in Low Baseline Support: ARIA attribute reflection
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New in Low Baseline Support: <search>
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New in Low Baseline Support: Update frequency media query
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New in Low Baseline Support: Storage manager
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New in Low Baseline Support: Overflow media queries
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New in Low Baseline Support: <link rel="modulepreload">
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New in Low Baseline Support: image-set()
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New in Low Baseline Support: Hyphenation
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New in Low Baseline Support: Hyphenate character
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New in Low Baseline Support: Device orientation events
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New in Low Baseline Support: @counter-style
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New in Low Baseline Support: contain-intrinsic-size
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New in Low Baseline Support: Clearing site data
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New in Low Baseline Support: Subgrid
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New in Low Baseline Support: font-variant-position
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New in Low Baseline Support: Motion path
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New in Low Baseline Support: display-mode media query
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New in Low Baseline Support: dirname
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New in High Baseline Support: <link rel="preload">
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New in High Baseline Support: :where()
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New in Low Baseline Support: Two-value display property
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New in High Baseline Support: :not
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New in High Baseline Support: :is()
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New in High Baseline Support: clip-path
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New in Low Baseline Support: Array by copy
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New in Low Baseline Support: animation-composition
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New in Low Baseline Support: window.print()
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New in Low Baseline Support: JavaScript modules in workers
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New in Low Baseline Support: calc() constants
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New in High Baseline Support: Text underline position
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New in High Baseline Support: text-underline-offset
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New in High Baseline Support: Conic gradients
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New in Low Baseline Support: WebRTC SCTP information
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New in Low Baseline Support: Oklab and Oklch
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New in Low Baseline Support: :nth-child() of <selector>
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New in Low Baseline Support: Lab and LCH
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New in Low Baseline Support: Compression streams
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New in Low Baseline Support: color-mix()
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New in Low Baseline Support: color()
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New in High Baseline Support: Multi-value (WebAssembly)
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New in Low Baseline Support: Inert elements
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New in Low Baseline Support: Canvas roundRect()
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New in Low Baseline Support: Canvas createConicGradient()
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New in Low Baseline Support: WebAssembly SIMD
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New in Low Baseline Support: Imperative slot assignment
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New in Low Baseline Support: Server timing
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New in Low Baseline Support: Screen orientation
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New in Low Baseline Support: Resource size
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New in Low Baseline Support: requestAnimationFrame() in workers
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New in Low Baseline Support: Push messages
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New in Low Baseline Support: pdfViewerEnabled
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New in Low Baseline Support: outline
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New in Low Baseline Support: Origin private file system
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New in Low Baseline Support: Offscreen canvas
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New in Low Baseline Support: messageerror
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New in Low Baseline Support: Media query range syntax
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New in Low Baseline Support: input (event)
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New in Low Baseline Support: Import maps
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New in Low Baseline Support: Form-associated custom elements
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New in Low Baseline Support: font-synthesis-weight
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New in Low Baseline Support: font-synthesis-style
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New in Low Baseline Support: font-synthesis-small-caps
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New in Low Baseline Support: Fetch metadata request headers
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New in Low Baseline Support: Constructed stylesheets
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New in High Baseline Support: WebP
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New in High Baseline Support: WEBGL_debug_shaders WebGL extension
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New in High Baseline Support: Web animations
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New in High Baseline Support: text-orientation
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New in High Baseline Support: steps() easing
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New in High Baseline Support: scrollIntoView()
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New in High Baseline Support: Scroll methods on elements
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New in High Baseline Support: Promise.any()
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New in High Baseline Support: Nullish coalescing
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New in High Baseline Support: Logical assignments
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New in High Baseline Support: Intl.RelativeTimeFormat
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New in High Baseline Support: Intl.Locale
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New in High Baseline Support: EXT_color_buffer_half_float WebGL extension
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New in High Baseline Support: BigInt
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New in Low Baseline Support: translate attribute
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New in Low Baseline Support: Origin private file system
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New in Low Baseline Support: sin(), cos(), tan(), asin(), acos(), atan(), and atan2() (CSS)
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New in Low Baseline Support: font-variant-alternates
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New in High Baseline Support: String replaceAll()
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New in Low Baseline Support: Container queries
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New in Low Baseline Support: color-gamut media query
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New in Low Baseline Support: :autofill
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New in High Baseline Support: text-underline-position
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New in High Baseline Support: Shadow parts
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New in High Baseline Support: Resize observer
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New in High Baseline Support: :read-only and :read-write
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New in High Baseline Support: queueMicrotask()
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New in High Baseline Support: Promise.allSettled()
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New in High Baseline Support: Pointer Events
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New in High Baseline Support: Opacity (SVG)
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New in High Baseline Support: Numeric separators
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New in High Baseline Support: Numeric separators
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New in High Baseline Support: min(), max(), and clamp()
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New in High Baseline Support: line-break
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New in High Baseline Support: Grid
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New in High Baseline Support: font-optical-sizing
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New in High Baseline Support: dominant-baseline
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New in High Baseline Support: display: table
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New in High Baseline Support: column-span
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New in High Baseline Support: background-size
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New in High Baseline Support: revert
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New in Low Baseline Support: MathML
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New in Low Baseline Support: WebGL OES_draw_buffers_indexed extension
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New in Low Baseline Support: Small, large, and dynamic viewport units
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New in Low Baseline Support: font-palette
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New in Low Baseline Support: Grid animation
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New in High Baseline Support: image-orientation
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New in Low Baseline Support: ic unit
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New in High Baseline Support: Web animations
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New in High Baseline Support: Import and export of mutable globals (WebAssembly)
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New in High Baseline Support: Q unit
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New in High Baseline Support: overflow
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New in High Baseline Support: Opacity (SVG)
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New in High Baseline Support: Hashbang comments
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New in High Baseline Support: font-optical-sizing
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New in High Baseline Support: dominant-baseline
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New in High Baseline Support: display: table
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New in Low Baseline Support: text-align-last
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New in Low Baseline Support: resolution media query
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New in Low Baseline Support: Permissions
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New in Low Baseline Support: overscroll-behavior
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New in Low Baseline Support: overflow
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New in Low Baseline Support: overflow: clip
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New in Low Baseline Support: Motion path
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New in Low Baseline Support: Forced colors
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New in Low Baseline Support: Inline-size containment
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New in Low Baseline Support: :modal
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New in Low Baseline Support: Array findLast() and findLastIndex()
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New in High Baseline Support: EXT_sRGB WebGL extension
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New in Low Baseline Support: Individual transform properties
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New in High Baseline Support: Media playback quality
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New in Low Baseline Support: Style containment
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New in High Baseline Support: will-change
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New in High Baseline Support: WebVTT cue settings
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New in High Baseline Support: WebRTC
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New in High Baseline Support: WebRTC statistics
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New in High Baseline Support: WEBGL_compressed_texture_astc WebGL extension
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New in High Baseline Support: Text encoding and decoding
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New in High Baseline Support: Template literals
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New in High Baseline Support: SVG
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New in High Baseline Support: String trimStart() and trimEnd()
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New in High Baseline Support: String matchAll()
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New in High Baseline Support: Stable array sort
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New in High Baseline Support: Spread syntax
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New in High Baseline Support: Sourcemap header
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New in High Baseline Support: SMIL SVG animations
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New in High Baseline Support: <slot>
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New in High Baseline Support: shapes
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New in High Baseline Support: shape-outside
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New in High Baseline Support: Shadow DOM
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New in High Baseline Support: Server-sent events
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New in High Baseline Support: Scroll snap
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New in High Baseline Support: scrollIntoView()
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New in High Baseline Support: :scope (pseudo-class)
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New in High Baseline Support: Safe area inset environment variables
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New in High Baseline Support: RGB
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New in High Baseline Support: prefers-reduced-motion media query
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New in High Baseline Support: prefers-color-scheme
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New in High Baseline Support: PNG
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New in High Baseline Support: ::placeholder
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New in High Baseline Support: :placeholder-shown
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New in High Baseline Support: Optional catch binding
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New in High Baseline Support: object-position
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New in High Baseline Support: object-fit
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New in High Baseline Support: Mixed content handling
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New in High Baseline Support: mix-blend-mode
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New in High Baseline Support: Min and max width and height
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New in High Baseline Support: min-content and max-content
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New in High Baseline Support: Media capabilities
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New in High Baseline Support: mask-type
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New in High Baseline Support: Link selectors
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New in High Baseline Support: <link rel="preconnect">
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New in High Baseline Support: <link rel="dns-prefetch">
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New in High Baseline Support: Layout direction override
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New in High Baseline Support: isolation
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New in High Baseline Support: Input events
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New in High Baseline Support: :indeterminate
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New in High Baseline Support: ImageBitmapRenderingContext
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New in High Baseline Support: srcdoc
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New in High Baseline Support: HSL
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New in High Baseline Support: Host
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New in High Baseline Support: globalThis
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New in High Baseline Support: font-variant-numeric
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New in High Baseline Support: font-variant-ligatures
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New in High Baseline Support: font-variant-east-asian
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New in High Baseline Support: font-variant-caps
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New in High Baseline Support: font-stretch
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New in High Baseline Support: Font loading
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New in High Baseline Support: font-kerning
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New in High Baseline Support: font-display
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New in High Baseline Support: :focus-within
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New in High Baseline Support: File API
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New in High Baseline Support: <embed>
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New in High Baseline Support: document.elementFromPoint() and document.elementsFromPoint()
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New in High Baseline Support: dominant-baseline
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New in High Baseline Support: DOM Geometry
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New in High Baseline Support: display: flow-root
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New in High Baseline Support: <details>
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New in High Baseline Support: Destructuring
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New in High Baseline Support: :default
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New in High Baseline Support: CSS.supports()
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New in High Baseline Support: CSS.escape()
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New in High Baseline Support: Credential management
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New in High Baseline Support: COLRv0
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New in High Baseline Support: Animatable clipping paths
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New in High Baseline Support: Case-insensitive attribute selector
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New in High Baseline Support: caret-color
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New in High Baseline Support: captureStream() for <canvas>
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New in High Baseline Support: <bdi>
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New in High Baseline Support: background-blend-mode
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New in High Baseline Support: Autonomous custom elements
-
New in High Baseline Support: Async iterators and the for await..of loop
-
New in High Baseline Support: Async generators
-
New in High Baseline Support: Array flat() and flatMap()
-
New in High Baseline Support: all
-
New in Low Baseline Support: Streams
-
New in High Baseline Support: font-optical-sizing
-
New in Low Baseline Support: prefers-contrast media query
-
New in Low Baseline Support: Exception handling (WebAssembly)
-
New in Low Baseline Support: dynamic-range media query
-
New in Low Baseline Support: Media capabilities
-
New in Low Baseline Support: HWB
-
New in High Baseline Support: touch-action
-
New in High Baseline Support: Sticky positioning
-
New in High Baseline Support: Print events
-
New in High Baseline Support: Intl.PluralRules
-
New in High Baseline Support: download
-
New in Low Baseline Support: Locks
-
New in Low Baseline Support: 3D transforms
-
New in Low Baseline Support: text-decoration-skip-ink
-
New in Low Baseline Support: text-combine-upright
-
New in Low Baseline Support: structuredClone()
-
New in Low Baseline Support: String at()
-
New in Low Baseline Support: scroll-behavior
-
New in Low Baseline Support: Object.hasOwn()
-
New in Low Baseline Support: hardwareConcurrency
-
New in Low Baseline Support: :focus-visible
-
New in Low Baseline Support: <dialog>
-
New in Low Baseline Support: contain
-
New in Low Baseline Support: Size containment
-
New in Low Baseline Support: Paint containment
-
New in Low Baseline Support: Layout containment
-
New in Low Baseline Support: Cascade layers
-
New in Low Baseline Support: BroadcastChannel
-
New in Low Baseline Support: background-attachment
-
New in Low Baseline Support: ::backdrop
-
New in Low Baseline Support: Array at()
-
New in Low Baseline Support: appearance
-
New in Low Baseline Support: accent-color
-
New in Low Baseline Support: text-emphasis
-
New in Low Baseline Support: color-scheme
-
New in Low Baseline Support: font-synthesis
-
New in Low Baseline Support: Threads and atomics (WebAssembly)
-
New in Low Baseline Support: SharedArrayBuffer and Atomics
-
New in Low Baseline Support: inputmode
-
New in Low Baseline Support: Contenteditable
-
New in Low Baseline Support: Reference types (WebAssembly)
-
New in Low Baseline Support: fit-content
-
New in Low Baseline Support: Enterkeyhint
-
New in Low Baseline Support: Non-trapping float-to-int conversion (WebAssembly)
-
New in Low Baseline Support: Bulk memory operations (WebAssembly)
-
New in Low Baseline Support: Navigation timing
-
New in Low Baseline Support: image-rendering
-
New in High Baseline Support: Intersection observer
-
New in High Baseline Support: Encrypted media extensions
-
New in High Baseline Support: AbortController and AbortSignal
-
New in High Baseline Support: Abortable fetch
-
New in Low Baseline Support: WebGL2
-
New in Low Baseline Support: WEBGL_color_buffer_float WebGL extension
-
New in Low Baseline Support: Top-level await
-
New in Low Baseline Support: Referrer policy
-
New in Low Baseline Support: Logical properties
-
New in Low Baseline Support: IndexedDB
-
New in Low Baseline Support: EXT_color_buffer_float WebGL extension
-
New in Low Baseline Support: Events
-
New in Low Baseline Support: Error cause
-
New in Low Baseline Support: createImageBitmap
-
New in Low Baseline Support: BigInt64Array
-
New in Low Baseline Support: aspect-ratio
-
New in Low Baseline Support: Web authentication
-
New in Low Baseline Support: System font
-
New in Low Baseline Support: Visual viewport API
-
New in Low Baseline Support: tab-size
-
New in High Baseline Support: Page breaks
-
New in High Baseline Support: Interaction media queries
-
New in High Baseline Support: Constraint validation API
-
New in Low Baseline Support: Web Audio
-
New in Low Baseline Support: Weak references
-
New in Low Baseline Support: Sign extension operators (WebAssembly)
-
New in Low Baseline Support: BigInt to i64 conversion (WebAssembly)
-
New in Low Baseline Support: Quotes
-
New in Low Baseline Support: Paint timing
-
New in Low Baseline Support: OfflineAudioContext
-
New in Low Baseline Support: OES_fbo_render_mipmap WebGL extension
-
New in Low Baseline Support: MediaStream recording
-
New in Low Baseline Support: Intl.ListFormat
-
New in Low Baseline Support: Intl.DisplayNames
-
New in Low Baseline Support: Date and time <input> types
-
New in Low Baseline Support: Flexbox gap
-
New in Low Baseline Support: ::file-selector-button
-
New in Low Baseline Support: AudioWorklet
-
New in High Baseline Support: resolution media query (compatibility prefixes)
-
New in High Baseline Support: tabindex
-
New in High Baseline Support: Promise finally()
-
New in High Baseline Support: overflow-wrap
-
New in High Baseline Support: <output>
-
New in High Baseline Support: <meter>
-
New in High Baseline Support: Speech synthesis
-
New in High Baseline Support: font-variation-settings
-
New in Low Baseline Support: <link rel="preload">
-
New in Low Baseline Support: :where()
-
New in Low Baseline Support: :not
-
New in Low Baseline Support: :is()
-
New in Low Baseline Support: clip-path
-
New in Low Baseline Support: Text underline position
-
New in Low Baseline Support: text-underline-offset
-
New in Low Baseline Support: Conic gradients
-
New in High Baseline Support: JavaScript modules
-
New in High Baseline Support: Array iterators
-
New in High Baseline Support: WEBGL_lose_context WebGL extension
-
New in High Baseline Support: Upgrade insecure requests
-
New in High Baseline Support: Subresource integrity
-
New in High Baseline Support: Service workers
-
New in High Baseline Support: OES_vertex_array_object WebGL extension
-
New in High Baseline Support: EXT_blend_minmax WebGL extension
-
New in Low Baseline Support: Multi-value (WebAssembly)
-
New in High Baseline Support: isSecureContext
-
New in High Baseline Support: Beacons
-
New in Low Baseline Support: WebP
-
New in Low Baseline Support: WEBGL_debug_shaders WebGL extension
-
New in Low Baseline Support: Web animations
-
New in Low Baseline Support: text-orientation
-
New in Low Baseline Support: steps() easing
-
New in Low Baseline Support: scrollIntoView()
-
New in Low Baseline Support: Scroll methods on elements
-
New in Low Baseline Support: Promise.any()
-
New in Low Baseline Support: Nullish coalescing
-
New in Low Baseline Support: Logical assignments
-
New in Low Baseline Support: Intl.RelativeTimeFormat
-
New in Low Baseline Support: Intl.Locale
-
New in Low Baseline Support: EXT_color_buffer_half_float WebGL extension
-
New in Low Baseline Support: BigInt
-
New in Low Baseline Support: String replaceAll()
-
New in Low Baseline Support: text-underline-position
-
New in Low Baseline Support: Shadow parts
-
New in Low Baseline Support: Resize observer
-
New in Low Baseline Support: :read-only and :read-write
-
New in Low Baseline Support: queueMicrotask()
-
New in Low Baseline Support: Promise.allSettled()
-
New in Low Baseline Support: Pointer Events
-
New in Low Baseline Support: Opacity (SVG)
-
New in Low Baseline Support: Numeric separators
-
New in Low Baseline Support: Numeric separators
-
New in Low Baseline Support: min(), max(), and clamp()
-
New in Low Baseline Support: line-break
-
New in Low Baseline Support: Grid
-
New in Low Baseline Support: font-optical-sizing
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: column-span
-
New in Low Baseline Support: background-size
-
New in Low Baseline Support: revert
-
New in High Baseline Support: Spellcheck
-
New in High Baseline Support: <time>
-
New in High Baseline Support: <data>
-
New in High Baseline Support: WebAssembly
-
New in High Baseline Support: Viewport units
-
New in High Baseline Support: Grid
-
New in Low Baseline Support: image-orientation
-
New in High Baseline Support: Intl
-
New in Low Baseline Support: Web animations
-
New in Low Baseline Support: Import and export of mutable globals (WebAssembly)
-
New in Low Baseline Support: Q unit
-
New in Low Baseline Support: overflow
-
New in Low Baseline Support: Opacity (SVG)
-
New in Low Baseline Support: Hashbang comments
-
New in Low Baseline Support: font-optical-sizing
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: display: table
-
New in High Baseline Support: Resource timing (initial support)
-
New in High Baseline Support: Media capture
-
New in High Baseline Support: font-stretch
-
New in High Baseline Support: Brotli compression
-
New in Low Baseline Support: EXT_sRGB WebGL extension
-
New in Low Baseline Support: Media playback quality
-
New in Low Baseline Support: will-change
-
New in Low Baseline Support: WebVTT cue settings
-
New in Low Baseline Support: WebRTC
-
New in Low Baseline Support: WebRTC statistics
-
New in Low Baseline Support: WEBGL_compressed_texture_astc WebGL extension
-
New in Low Baseline Support: Text encoding and decoding
-
New in Low Baseline Support: Template literals
-
New in Low Baseline Support: SVG
-
New in Low Baseline Support: String trimStart() and trimEnd()
-
New in Low Baseline Support: String matchAll()
-
New in Low Baseline Support: Stable array sort
-
New in Low Baseline Support: Spread syntax
-
New in Low Baseline Support: Sourcemap header
-
New in Low Baseline Support: SMIL SVG animations
-
New in Low Baseline Support: <slot>
-
New in Low Baseline Support: shapes
-
New in Low Baseline Support: shape-outside
-
New in Low Baseline Support: Shadow DOM
-
New in Low Baseline Support: Server-sent events
-
New in Low Baseline Support: Scroll snap
-
New in Low Baseline Support: scrollIntoView()
-
New in Low Baseline Support: :scope (pseudo-class)
-
New in Low Baseline Support: Safe area inset environment variables
-
New in Low Baseline Support: RGB
-
New in Low Baseline Support: prefers-reduced-motion media query
-
New in Low Baseline Support: prefers-color-scheme
-
New in Low Baseline Support: PNG
-
New in Low Baseline Support: ::placeholder
-
New in Low Baseline Support: :placeholder-shown
-
New in Low Baseline Support: Optional catch binding
-
New in Low Baseline Support: object-position
-
New in Low Baseline Support: object-fit
-
New in Low Baseline Support: Mixed content handling
-
New in Low Baseline Support: mix-blend-mode
-
New in Low Baseline Support: Min and max width and height
-
New in Low Baseline Support: min-content and max-content
-
New in Low Baseline Support: Media capabilities
-
New in Low Baseline Support: mask-type
-
New in Low Baseline Support: Link selectors
-
New in Low Baseline Support: <link rel="preconnect">
-
New in Low Baseline Support: <link rel="dns-prefetch">
-
New in Low Baseline Support: Layout direction override
-
New in Low Baseline Support: isolation
-
New in Low Baseline Support: Input events
-
New in Low Baseline Support: :indeterminate
-
New in Low Baseline Support: ImageBitmapRenderingContext
-
New in Low Baseline Support: srcdoc
-
New in Low Baseline Support: HSL
-
New in Low Baseline Support: Host
-
New in Low Baseline Support: globalThis
-
New in Low Baseline Support: font-variant-numeric
-
New in Low Baseline Support: font-variant-ligatures
-
New in Low Baseline Support: font-variant-east-asian
-
New in Low Baseline Support: font-variant-caps
-
New in Low Baseline Support: font-stretch
-
New in Low Baseline Support: Font loading
-
New in Low Baseline Support: font-kerning
-
New in Low Baseline Support: font-display
-
New in Low Baseline Support: :focus-within
-
New in Low Baseline Support: File API
-
New in Low Baseline Support: <embed>
-
New in Low Baseline Support: document.elementFromPoint() and document.elementsFromPoint()
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: DOM Geometry
-
New in Low Baseline Support: display: flow-root
-
New in Low Baseline Support: <details>
-
New in Low Baseline Support: Destructuring
-
New in Low Baseline Support: :default
-
New in Low Baseline Support: CSS.supports()
-
New in Low Baseline Support: CSS.escape()
-
New in Low Baseline Support: Credential management
-
New in Low Baseline Support: COLRv0
-
New in Low Baseline Support: Animatable clipping paths
-
New in Low Baseline Support: Case-insensitive attribute selector
-
New in Low Baseline Support: caret-color
-
New in Low Baseline Support: captureStream() for <canvas>
-
New in Low Baseline Support: <bdi>
-
New in Low Baseline Support: background-blend-mode
-
New in Low Baseline Support: Autonomous custom elements
-
New in Low Baseline Support: Async iterators and the for await..of loop
-
New in Low Baseline Support: Async generators
-
New in Low Baseline Support: Array flat() and flatMap()
-
New in Low Baseline Support: all
-
New in Low Baseline Support: font-optical-sizing
-
New in High Baseline Support: WEBGL_debug_renderer_info WebGL extension
-
New in High Baseline Support: Composition events
-
New in High Baseline Support: Text stroke and fill (compatibility prefixes)
-
New in High Baseline Support: String padStart() and padEnd()
-
New in High Baseline Support: Outlines
-
New in High Baseline Support: font-feature-settings
-
New in High Baseline Support: display: table
-
New in High Baseline Support: Custom properties
-
New in High Baseline Support: Async functions
-
New in High Baseline Support: writing-mode
-
New in High Baseline Support: srcset and sizes
-
New in High Baseline Support: Gamepad
-
New in High Baseline Support: Fetch
-
New in High Baseline Support: Exponentiation operator
-
New in High Baseline Support: Clipboard events
-
New in High Baseline Support: Classes
-
New in Low Baseline Support: touch-action
-
New in Low Baseline Support: Sticky positioning
-
New in Low Baseline Support: Print events
-
New in Low Baseline Support: Intl.PluralRules
-
New in Low Baseline Support: download
-
New in High Baseline Support: <input type="range">
-
New in High Baseline Support: Selection
-
New in High Baseline Support: Multi-column layout
-
New in High Baseline Support: column-fill
-
New in High Baseline Support: Border images
-
New in Low Baseline Support: Intersection observer
-
New in Low Baseline Support: Encrypted media extensions
-
New in Low Baseline Support: AbortController and AbortSignal
-
New in Low Baseline Support: Abortable fetch
-
New in High Baseline Support: User agent sniffing
-
New in High Baseline Support: Typed array iterators
-
New in High Baseline Support: Typed array iteration methods
-
New in High Baseline Support: @supports (compatibility prefix)
-
New in High Baseline Support: String normalize()
-
New in High Baseline Support: Proxy and Reflect
-
New in High Baseline Support: Let and const
-
New in High Baseline Support: Generators
-
New in High Baseline Support: @font-face
-
New in High Baseline Support: Base64 encoding and decoding
-
New in High Baseline Support: background-repeat
-
New in High Baseline Support: Array.of()
-
New in High Baseline Support: Array includes()
-
New in High Baseline Support: Array.from()
-
New in High Baseline Support: Array find() and findIndex()
-
New in High Baseline Support: Array fill()
-
New in High Baseline Support: Array copyWithin()
-
New in High Baseline Support: filter
-
New in High Baseline Support: OES_texture_half_float WebGL extension
-
New in High Baseline Support: Content Security Policy (CSP)
-
New in Low Baseline Support: Page breaks
-
New in Low Baseline Support: Interaction media queries
-
New in Low Baseline Support: Constraint validation API
-
New in High Baseline Support: EXT_texture_filter_anisotropic WebGL extension
-
New in High Baseline Support: ANGLE_instanced_arrays WebGL extension
-
New in Low Baseline Support: resolution media query (compatibility prefixes)
-
New in Low Baseline Support: tabindex
-
New in Low Baseline Support: Promise finally()
-
New in Low Baseline Support: overflow-wrap
-
New in Low Baseline Support: <output>
-
New in Low Baseline Support: <meter>
-
New in High Baseline Support: unset
-
New in High Baseline Support: <picture>
-
New in High Baseline Support: DOMParser
-
New in High Baseline Support: Classes
-
New in Low Baseline Support: Speech synthesis
-
New in Low Baseline Support: font-variation-settings
-
New in High Baseline Support: <template>
-
New in High Baseline Support: initial
-
New in Low Baseline Support: JavaScript modules
-
New in Low Baseline Support: Array iterators
-
New in Low Baseline Support: WEBGL_lose_context WebGL extension
-
New in Low Baseline Support: Upgrade insecure requests
-
New in Low Baseline Support: Subresource integrity
-
New in Low Baseline Support: Service workers
-
New in Low Baseline Support: OES_vertex_array_object WebGL extension
-
New in Low Baseline Support: EXT_blend_minmax WebGL extension
-
New in Low Baseline Support: isSecureContext
-
New in Low Baseline Support: Beacons
-
New in High Baseline Support: word-break
-
New in High Baseline Support: WeakSet
-
New in High Baseline Support: Unicode point escapes
-
New in High Baseline Support: Transitions (CSS)
-
New in High Baseline Support: 2D transforms
-
New in High Baseline Support: Symbol
-
New in High Baseline Support: @supports
-
New in High Baseline Support: String startsWith() and endsWith()
-
New in High Baseline Support: String repeat()
-
New in High Baseline Support: String raw()
-
New in High Baseline Support: String includes()
-
New in High Baseline Support: String codePointAt() and fromCodePoint()
-
New in High Baseline Support: Flexbox
-
New in High Baseline Support: CSS object model
-
New in High Baseline Support: Animations (CSS)
-
New in High Baseline Support: Channel messaging
-
New in High Baseline Support: Performance
-
New in High Baseline Support: z-index
-
New in High Baseline Support: XSLT
-
New in High Baseline Support: XPath
-
New in High Baseline Support: XMLSerializer
-
New in High Baseline Support: XMLHttpRequest
-
New in High Baseline Support: word-spacing
-
New in High Baseline Support: Window
-
New in High Baseline Support: Width and height
-
New in High Baseline Support: white-space
-
New in High Baseline Support: WebVTT
-
New in High Baseline Support: WebSockets
-
New in High Baseline Support: WebGL
-
New in High Baseline Support: WEBGL_depth_texture WebGL extension
-
New in High Baseline Support: Web Cryptography
-
New in High Baseline Support: WeakMap
-
New in High Baseline Support: <wbr>
-
New in High Baseline Support: visibility
-
New in High Baseline Support: <video>
-
New in High Baseline Support: vertical-align
-
New in High Baseline Support: <var>
-
New in High Baseline Support: User agent sniffing
-
New in High Baseline Support: User action pseudo-classes
-
New in High Baseline Support: URL
-
New in High Baseline Support: <u>
-
New in High Baseline Support: Typed arrays (initial support)
-
New in High Baseline Support: <title>
-
New in High Baseline Support: Title
-
New in High Baseline Support: <textarea>
-
New in High Baseline Support: text-transform
-
New in High Baseline Support: Text tracks
-
New in High Baseline Support: text-shadow
-
New in High Baseline Support: Text overflow
-
New in High Baseline Support: text-indent
-
New in High Baseline Support: text-decoration
-
New in High Baseline Support: text-align
-
New in High Baseline Support: :target
-
New in High Baseline Support: Tables
-
New in High Baseline Support: System colors
-
New in High Baseline Support: SVG filters
-
New in High Baseline Support: <sub> and <sup>
-
New in High Baseline Support: <style>
-
New in High Baseline Support: style (attribute)
-
New in High Baseline Support: <strong>
-
New in High Baseline Support: String (initial support)
-
New in High Baseline Support: Static positioning
-
New in High Baseline Support: <span>
-
New in High Baseline Support: <source>
-
New in High Baseline Support: <small>
-
New in High Baseline Support: setTimeout
-
New in High Baseline Support: setInterval
-
New in High Baseline Support: Set (initial support)
-
New in High Baseline Support: Selectors (core)
-
New in High Baseline Support: <select>
-
New in High Baseline Support: <section>
-
New in High Baseline Support: <input type="search">
-
New in High Baseline Support: <script> and <noscript>
-
New in High Baseline Support: Screen
-
New in High Baseline Support: <samp>
-
New in High Baseline Support: <s>
-
New in High Baseline Support: <ruby>
-
New in High Baseline Support: :root
-
New in High Baseline Support: requestAnimationFrame()
-
New in High Baseline Support: rem
-
New in High Baseline Support: Relative positioning
-
New in High Baseline Support: Regular expressions
-
New in High Baseline Support: <q>
-
New in High Baseline Support: Promise (initial support)
-
New in High Baseline Support: <progress>
-
New in High Baseline Support: <pre>
-
New in High Baseline Support: postMessage
-
New in High Baseline Support: Position
-
New in High Baseline Support: pointer-events
-
New in High Baseline Support: PNG
-
New in High Baseline Support: Physical properties
-
New in High Baseline Support: Page visibility
-
New in High Baseline Support: Page transition events
-
New in High Baseline Support: padding
-
New in High Baseline Support: <p>
-
New in High Baseline Support: opacity
-
New in High Baseline Support: Online status
-
New in High Baseline Support: OES_texture_float WebGL extension
-
New in High Baseline Support: OES_texture_float_linear WebGL extension
-
New in High Baseline Support: OES_standard_derivatives WebGL extension
-
New in High Baseline Support: OES_element_index_uint WebGL extension
-
New in High Baseline Support: <object>
-
New in High Baseline Support: Object
-
New in High Baseline Support: Math and numbers
-
New in High Baseline Support: :nth-of-type() pseudo-classes
-
New in High Baseline Support: :nth-child() (initial support)
-
New in High Baseline Support: Navigator
-
New in High Baseline Support: <nav>
-
New in High Baseline Support: `@namespace`
-
New in High Baseline Support: Named colors
-
New in High Baseline Support: MutationObserver
-
New in High Baseline Support: Mouse events
-
New in High Baseline Support: Min and max width and height
-
New in High Baseline Support: <meta>
-
New in High Baseline Support: Meta refresh
-
New in High Baseline Support: <menu>
-
New in High Baseline Support: Media queries
-
New in High Baseline Support: matchMedia
-
New in High Baseline Support: <mark>
-
New in High Baseline Support: margin
-
New in High Baseline Support: Map (initial support)
-
New in High Baseline Support: <main>
-
New in High Baseline Support: Location
-
New in High Baseline Support: localStorage and sessionStorage
-
New in High Baseline Support: List style
-
New in High Baseline Support: <ol>, <ul>, and <li>
-
New in High Baseline Support: <link>
-
New in High Baseline Support: line-height
-
New in High Baseline Support: letter-spacing
-
New in High Baseline Support: Language
-
New in High Baseline Support: :lang()
-
New in High Baseline Support: Lang
-
New in High Baseline Support: <label>
-
New in High Baseline Support: Keyboard events
-
New in High Baseline Support: <kbd>
-
New in High Baseline Support: JSON
-
New in High Baseline Support: JPEG
-
New in High Baseline Support: JavaScript (initial core language support)
-
New in High Baseline Support: Iterators and the for...of loop
-
New in High Baseline Support: <ins>
-
New in High Baseline Support: <input>
-
New in High Baseline Support: <input type="submit">
-
New in High Baseline Support: Input selectors
-
New in High Baseline Support: <input type="reset">
-
New in High Baseline Support: <input type="radio">
-
New in High Baseline Support: <input type="password">
-
New in High Baseline Support: <input type="number">
-
New in High Baseline Support: <input type="image">
-
New in High Baseline Support: <input type="hidden">
-
New in High Baseline Support: <input type="file">
-
New in High Baseline Support: <input type="file" multiple>
-
New in High Baseline Support: Email, telephone, and URL <input> types
-
New in High Baseline Support: <input type="checkbox">
-
New in High Baseline Support: <input type="button">
-
New in High Baseline Support: inherit
-
New in High Baseline Support: @import
-
New in High Baseline Support: <img>
-
New in High Baseline Support: Image maps
-
New in High Baseline Support: <iframe>
-
New in High Baseline Support: Sandboxed iframes
-
New in High Baseline Support: <i>
-
New in High Baseline Support: HTTP/1.1
-
New in High Baseline Support: HTTP authentication
-
New in High Baseline Support: <html>
-
New in High Baseline Support: HTTP Strict Transport Security
-
New in High Baseline Support: <hr>
-
New in High Baseline Support: History
-
New in High Baseline Support: <hgroup>
-
New in High Baseline Support: <h1> through <h6>
-
New in High Baseline Support: <header> and <footer>
-
New in High Baseline Support: <head>
-
New in High Baseline Support: hashchange
-
New in High Baseline Support: Gradients
-
New in High Baseline Support: GIF
-
New in High Baseline Support: getComputedStyle()
-
New in High Baseline Support: Geolocation
-
New in High Baseline Support: Functions
-
New in High Baseline Support: <form>
-
New in High Baseline Support: Form validity pseudo-classes
-
New in High Baseline Support: font-weight
-
New in High Baseline Support: font-variant
-
New in High Baseline Support: font-style
-
New in High Baseline Support: font-size
-
New in High Baseline Support: Font shorthand
-
New in High Baseline Support: font-family
-
New in High Baseline Support: Focus events
-
New in High Baseline Support: float and clear
-
New in High Baseline Support: Fixed positioning
-
New in High Baseline Support: ::first-line
-
New in High Baseline Support: ::first-letter
-
New in High Baseline Support: <figure> and <figcaption>
-
New in High Baseline Support: <fieldset> and <legend>
-
New in High Baseline Support: ex unit
-
New in High Baseline Support: Events
-
New in High Baseline Support: :empty
-
New in High Baseline Support: <em>
-
New in High Baseline Support: em unit
-
New in High Baseline Support: Drag and Drop
-
New in High Baseline Support: DOMParser
-
New in High Baseline Support: DOM
-
New in High Baseline Support: <div>
-
New in High Baseline Support: Display
-
New in High Baseline Support: display: table
-
New in High Baseline Support: display: list-item
-
New in High Baseline Support: <dfn>
-
New in High Baseline Support: Description list
-
New in High Baseline Support: <del>
-
New in High Baseline Support: Dedicated workers
-
New in High Baseline Support: Date
-
New in High Baseline Support: Dataset
-
New in High Baseline Support: Data URLs
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New in High Baseline Support: currentColor
-
New in High Baseline Support: cubic-bezier() easing
-
New in High Baseline Support: Counters (CSS)
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New in High Baseline Support: CORS
-
New in High Baseline Support: Cookies
-
New in High Baseline Support: Contenteditable
-
New in High Baseline Support: Content
-
New in High Baseline Support: Console
-
New in High Baseline Support: Color
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New in High Baseline Support: <code>
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New in High Baseline Support: <cite>
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New in High Baseline Support: @charset
-
New in High Baseline Support: Change event
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New in High Baseline Support: ch unit
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New in High Baseline Support: <canvas>
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New in High Baseline Support: 2D canvas
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New in High Baseline Support: calc()
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New in High Baseline Support: <button>
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New in High Baseline Support: <br>
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New in High Baseline Support: box-sizing
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New in High Baseline Support: box-shadow
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New in High Baseline Support: Borders
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New in High Baseline Support: border-radius
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New in High Baseline Support: <body>
-
New in High Baseline Support: BMP
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New in High Baseline Support: <blockquote>
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New in High Baseline Support: Beforeunload
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New in High Baseline Support: ::before and ::after
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New in High Baseline Support: <bdo>
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New in High Baseline Support: Base64 encoding and decoding
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New in High Baseline Support: <base>
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New in High Baseline Support: BarProp
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New in High Baseline Support: background
-
New in High Baseline Support: background-size
-
New in High Baseline Support: background-position
-
New in High Baseline Support: background-origin
-
New in High Baseline Support: background-image
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New in High Baseline Support: background-color
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New in High Baseline Support: background-clip
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New in High Baseline Support: <b>
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New in High Baseline Support: <audio>
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New in High Baseline Support: attr() (content only)
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New in High Baseline Support: <aside>
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New in High Baseline Support: <article>
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New in High Baseline Support: Array (initial support)
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New in High Baseline Support: Array splice()
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New in High Baseline Support: Array iteration methods
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New in High Baseline Support: Array.isArray()
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New in High Baseline Support: Alerts
-
New in High Baseline Support: <address>
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New in High Baseline Support: Accesskey
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New in High Baseline Support: Absolute positioning
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New in High Baseline Support: <abbr>
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New in High Baseline Support: <a>
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New in Low Baseline Support: Spellcheck
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New in Low Baseline Support: <time>
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New in Low Baseline Support: <data>
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New in Low Baseline Support: WebAssembly
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New in Low Baseline Support: Viewport units
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New in Low Baseline Support: Grid
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New in Low Baseline Support: Intl
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New in Low Baseline Support: Resource timing (initial support)
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New in Low Baseline Support: Media capture
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New in Low Baseline Support: font-stretch
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New in Low Baseline Support: Brotli compression
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New in Low Baseline Support: WEBGL_debug_renderer_info WebGL extension
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New in Low Baseline Support: Composition events
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New in Low Baseline Support: Text stroke and fill (compatibility prefixes)
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New in Low Baseline Support: String padStart() and padEnd()
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New in Low Baseline Support: Outlines
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New in Low Baseline Support: font-feature-settings
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New in Low Baseline Support: display: table
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New in Low Baseline Support: Custom properties
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New in Low Baseline Support: Async functions
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New in Low Baseline Support: writing-mode
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New in Low Baseline Support: srcset and sizes
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New in Low Baseline Support: Gamepad
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New in Low Baseline Support: Fetch
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New in Low Baseline Support: Exponentiation operator
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New in Low Baseline Support: Clipboard events
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New in Low Baseline Support: Classes
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New in Low Baseline Support: <input type="range">
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New in Low Baseline Support: Selection
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New in Low Baseline Support: Multi-column layout
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New in Low Baseline Support: column-fill
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New in Low Baseline Support: Border images
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New in Low Baseline Support: User agent sniffing
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New in Low Baseline Support: Typed array iterators
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New in Low Baseline Support: Typed array iteration methods
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New in Low Baseline Support: @supports (compatibility prefix)
-
New in Low Baseline Support: String normalize()
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New in Low Baseline Support: Proxy and Reflect
-
New in Low Baseline Support: Let and const
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New in Low Baseline Support: Generators
-
New in Low Baseline Support: @font-face
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New in Low Baseline Support: Base64 encoding and decoding
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New in Low Baseline Support: background-repeat
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New in Low Baseline Support: Array.of()
-
New in Low Baseline Support: Array includes()
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New in Low Baseline Support: Array.from()
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New in Low Baseline Support: Array find() and findIndex()
-
New in Low Baseline Support: Array fill()
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New in Low Baseline Support: Array copyWithin()
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New in Low Baseline Support: filter
-
New in Low Baseline Support: OES_texture_half_float WebGL extension
-
New in Low Baseline Support: Content Security Policy (CSP)
-
New in Low Baseline Support: EXT_texture_filter_anisotropic WebGL extension
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New in Low Baseline Support: ANGLE_instanced_arrays WebGL extension
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New in Low Baseline Support: unset
-
New in Low Baseline Support: <picture>
-
New in Low Baseline Support: DOMParser
-
New in Low Baseline Support: Classes
-
New in Low Baseline Support: <template>
-
New in Low Baseline Support: initial
-
New in Low Baseline Support: word-break
-
New in Low Baseline Support: WeakSet
-
New in Low Baseline Support: Unicode point escapes
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New in Low Baseline Support: Transitions (CSS)
-
New in Low Baseline Support: 2D transforms
-
New in Low Baseline Support: Symbol
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New in Low Baseline Support: @supports
-
New in Low Baseline Support: String startsWith() and endsWith()
-
New in Low Baseline Support: String repeat()
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New in Low Baseline Support: String raw()
-
New in Low Baseline Support: String includes()
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New in Low Baseline Support: String codePointAt() and fromCodePoint()
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New in Low Baseline Support: Flexbox
-
New in Low Baseline Support: CSS object model
-
New in Low Baseline Support: Animations (CSS)
-
New in Low Baseline Support: Channel messaging
-
New in Low Baseline Support: Performance
-
New in Low Baseline Support: z-index
-
New in Low Baseline Support: XSLT
-
New in Low Baseline Support: XPath
-
New in Low Baseline Support: XMLSerializer
-
New in Low Baseline Support: XMLHttpRequest
-
New in Low Baseline Support: word-spacing
-
New in Low Baseline Support: Window
-
New in Low Baseline Support: Width and height
-
New in Low Baseline Support: white-space
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New in Low Baseline Support: WebVTT
-
New in Low Baseline Support: WebSockets
-
New in Low Baseline Support: WebGL
-
New in Low Baseline Support: WEBGL_depth_texture WebGL extension
-
New in Low Baseline Support: Web Cryptography
-
New in Low Baseline Support: WeakMap
-
New in Low Baseline Support: <wbr>
-
New in Low Baseline Support: visibility
-
New in Low Baseline Support: <video>
-
New in Low Baseline Support: vertical-align
-
New in Low Baseline Support: <var>
-
New in Low Baseline Support: User agent sniffing
-
New in Low Baseline Support: User action pseudo-classes
-
New in Low Baseline Support: URL
-
New in Low Baseline Support: <u>
-
New in Low Baseline Support: Typed arrays (initial support)
-
New in Low Baseline Support: <title>
-
New in Low Baseline Support: Title
-
New in Low Baseline Support: <textarea>
-
New in Low Baseline Support: text-transform
-
New in Low Baseline Support: Text tracks
-
New in Low Baseline Support: text-shadow
-
New in Low Baseline Support: Text overflow
-
New in Low Baseline Support: text-indent
-
New in Low Baseline Support: text-decoration
-
New in Low Baseline Support: text-align
-
New in Low Baseline Support: :target
-
New in Low Baseline Support: Tables
-
New in Low Baseline Support: System colors
-
New in Low Baseline Support: SVG filters
-
New in Low Baseline Support: <sub> and <sup>
-
New in Low Baseline Support: <style>
-
New in Low Baseline Support: style (attribute)
-
New in Low Baseline Support: <strong>
-
New in Low Baseline Support: String (initial support)
-
New in Low Baseline Support: Static positioning
-
New in Low Baseline Support: <span>
-
New in Low Baseline Support: <source>
-
New in Low Baseline Support: <small>
-
New in Low Baseline Support: setTimeout
-
New in Low Baseline Support: setInterval
-
New in Low Baseline Support: Set (initial support)
-
New in Low Baseline Support: Selectors (core)
-
New in Low Baseline Support: <select>
-
New in Low Baseline Support: <section>
-
New in Low Baseline Support: <input type="search">
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New in Low Baseline Support: <script> and <noscript>
-
New in Low Baseline Support: Screen
-
New in Low Baseline Support: <samp>
-
New in Low Baseline Support: <s>
-
New in Low Baseline Support: <ruby>
-
New in Low Baseline Support: :root
-
New in Low Baseline Support: requestAnimationFrame()
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New in Low Baseline Support: rem
-
New in Low Baseline Support: Relative positioning
-
New in Low Baseline Support: Regular expressions
-
New in Low Baseline Support: <q>
-
New in Low Baseline Support: Promise (initial support)
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New in Low Baseline Support: <progress>
-
New in Low Baseline Support: <pre>
-
New in Low Baseline Support: postMessage
-
New in Low Baseline Support: Position
-
New in Low Baseline Support: pointer-events
-
New in Low Baseline Support: PNG
-
New in Low Baseline Support: Physical properties
-
New in Low Baseline Support: Page visibility
-
New in Low Baseline Support: Page transition events
-
New in Low Baseline Support: padding
-
New in Low Baseline Support: <p>
-
New in Low Baseline Support: opacity
-
New in Low Baseline Support: Online status
-
New in Low Baseline Support: OES_texture_float WebGL extension
-
New in Low Baseline Support: OES_texture_float_linear WebGL extension
-
New in Low Baseline Support: OES_standard_derivatives WebGL extension
-
New in Low Baseline Support: OES_element_index_uint WebGL extension
-
New in Low Baseline Support: <object>
-
New in Low Baseline Support: Object
-
New in Low Baseline Support: Math and numbers
-
New in Low Baseline Support: :nth-of-type() pseudo-classes
-
New in Low Baseline Support: :nth-child() (initial support)
-
New in Low Baseline Support: Navigator
-
New in Low Baseline Support: <nav>
-
New in Low Baseline Support: `@namespace`
-
New in Low Baseline Support: Named colors
-
New in Low Baseline Support: MutationObserver
-
New in Low Baseline Support: Mouse events
-
New in Low Baseline Support: Min and max width and height
-
New in Low Baseline Support: <meta>
-
New in Low Baseline Support: Meta refresh
-
New in Low Baseline Support: <menu>
-
New in Low Baseline Support: Media queries
-
New in Low Baseline Support: matchMedia
-
New in Low Baseline Support: <mark>
-
New in Low Baseline Support: margin
-
New in Low Baseline Support: Map (initial support)
-
New in Low Baseline Support: <main>
-
New in Low Baseline Support: Location
-
New in Low Baseline Support: localStorage and sessionStorage
-
New in Low Baseline Support: List style
-
New in Low Baseline Support: <ol>, <ul>, and <li>
-
New in Low Baseline Support: <link>
-
New in Low Baseline Support: line-height
-
New in Low Baseline Support: letter-spacing
-
New in Low Baseline Support: Language
-
New in Low Baseline Support: :lang()
-
New in Low Baseline Support: Lang
-
New in Low Baseline Support: <label>
-
New in Low Baseline Support: Keyboard events
-
New in Low Baseline Support: <kbd>
-
New in Low Baseline Support: JSON
-
New in Low Baseline Support: JPEG
-
New in Low Baseline Support: JavaScript (initial core language support)
-
New in Low Baseline Support: Iterators and the for...of loop
-
New in Low Baseline Support: <ins>
-
New in Low Baseline Support: <input>
-
New in Low Baseline Support: <input type="submit">
-
New in Low Baseline Support: Input selectors
-
New in Low Baseline Support: <input type="reset">
-
New in Low Baseline Support: <input type="radio">
-
New in Low Baseline Support: <input type="password">
-
New in Low Baseline Support: <input type="number">
-
New in Low Baseline Support: <input type="image">
-
New in Low Baseline Support: <input type="hidden">
-
New in Low Baseline Support: <input type="file">
-
New in Low Baseline Support: <input type="file" multiple>
-
New in Low Baseline Support: Email, telephone, and URL <input> types
-
New in Low Baseline Support: <input type="checkbox">
-
New in Low Baseline Support: <input type="button">
-
New in Low Baseline Support: inherit
-
New in Low Baseline Support: @import
-
New in Low Baseline Support: <img>
-
New in Low Baseline Support: Image maps
-
New in Low Baseline Support: <iframe>
-
New in Low Baseline Support: Sandboxed iframes
-
New in Low Baseline Support: <i>
-
New in Low Baseline Support: HTTP/1.1
-
New in Low Baseline Support: HTTP authentication
-
New in Low Baseline Support: <html>
-
New in Low Baseline Support: HTTP Strict Transport Security
-
New in Low Baseline Support: <hr>
-
New in Low Baseline Support: History
-
New in Low Baseline Support: <hgroup>
-
New in Low Baseline Support: <h1> through <h6>
-
New in Low Baseline Support: <header> and <footer>
-
New in Low Baseline Support: <head>
-
New in Low Baseline Support: hashchange
-
New in Low Baseline Support: Gradients
-
New in Low Baseline Support: GIF
-
New in Low Baseline Support: getComputedStyle()
-
New in Low Baseline Support: Geolocation
-
New in Low Baseline Support: Functions
-
New in Low Baseline Support: <form>
-
New in Low Baseline Support: Form validity pseudo-classes
-
New in Low Baseline Support: font-weight
-
New in Low Baseline Support: font-variant
-
New in Low Baseline Support: font-style
-
New in Low Baseline Support: font-size
-
New in Low Baseline Support: Font shorthand
-
New in Low Baseline Support: font-family
-
New in Low Baseline Support: Focus events
-
New in Low Baseline Support: float and clear
-
New in Low Baseline Support: Fixed positioning
-
New in Low Baseline Support: ::first-line
-
New in Low Baseline Support: ::first-letter
-
New in Low Baseline Support: <figure> and <figcaption>
-
New in Low Baseline Support: <fieldset> and <legend>
-
New in Low Baseline Support: ex unit
-
New in Low Baseline Support: Events
-
New in Low Baseline Support: :empty
-
New in Low Baseline Support: <em>
-
New in Low Baseline Support: em unit
-
New in Low Baseline Support: Drag and Drop
-
New in Low Baseline Support: DOMParser
-
New in Low Baseline Support: DOM
-
New in Low Baseline Support: <div>
-
New in Low Baseline Support: Display
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: display: list-item
-
New in Low Baseline Support: <dfn>
-
New in Low Baseline Support: Description list
-
New in Low Baseline Support: <del>
-
New in Low Baseline Support: Dedicated workers
-
New in Low Baseline Support: Date
-
New in Low Baseline Support: Dataset
-
New in Low Baseline Support: Data URLs
-
New in Low Baseline Support: currentColor
-
New in Low Baseline Support: cubic-bezier() easing
-
New in Low Baseline Support: Counters (CSS)
-
New in Low Baseline Support: CORS
-
New in Low Baseline Support: Cookies
-
New in Low Baseline Support: Contenteditable
-
New in Low Baseline Support: Content
-
New in Low Baseline Support: Console
-
New in Low Baseline Support: Color
-
New in Low Baseline Support: <code>
-
New in Low Baseline Support: <cite>
-
New in Low Baseline Support: @charset
-
New in Low Baseline Support: Change event
-
New in Low Baseline Support: ch unit
-
New in Low Baseline Support: <canvas>
-
New in Low Baseline Support: 2D canvas
-
New in Low Baseline Support: calc()
-
New in Low Baseline Support: <button>
-
New in Low Baseline Support: <br>
-
New in Low Baseline Support: box-sizing
-
New in Low Baseline Support: box-shadow
-
New in Low Baseline Support: Borders
-
New in Low Baseline Support: border-radius
-
New in Low Baseline Support: <body>
-
New in Low Baseline Support: BMP
-
New in Low Baseline Support: <blockquote>
-
New in Low Baseline Support: Beforeunload
-
New in Low Baseline Support: ::before and ::after
-
New in Low Baseline Support: <bdo>
-
New in Low Baseline Support: Base64 encoding and decoding
-
New in Low Baseline Support: <base>
-
New in Low Baseline Support: BarProp
-
New in Low Baseline Support: background
-
New in Low Baseline Support: background-size
-
New in Low Baseline Support: background-position
-
New in Low Baseline Support: background-origin
-
New in Low Baseline Support: background-image
-
New in Low Baseline Support: background-color
-
New in Low Baseline Support: background-clip
-
New in Low Baseline Support: <b>
-
New in Low Baseline Support: <audio>
-
New in Low Baseline Support: attr() (content only)
-
New in Low Baseline Support: <aside>
-
New in Low Baseline Support: <article>
-
New in Low Baseline Support: Array (initial support)
-
New in Low Baseline Support: Array splice()
-
New in Low Baseline Support: Array iteration methods
-
New in Low Baseline Support: Array.isArray()
-
New in Low Baseline Support: Alerts
-
New in Low Baseline Support: <address>
-
New in Low Baseline Support: Accesskey
-
New in Low Baseline Support: Absolute positioning
-
New in Low Baseline Support: <abbr>
-
New in Low Baseline Support: <a>