| 3 |
CSS: `ideographic` and `ideographic-ink` values for the `text-box-edge` property |
| 15 |
HTML Streaming Setters |
| 1 |
Enable allow.cross-origin-isolated for iframes |
| 23 |
Targeted SVG interop improvements |
| 7 |
Pausing iframe media when not visible |
| 13 |
Brotli compression in JavaScript |
| 36 |
CSS Module Scripts |
| 7 |
Trusted Types |
| 5 |
Contact Picker API |
| 13 |
AVIF image format |
| 39 |
CSS sibling-index() and sibling-count() functions |
| 86 |
Progressive image rendering for JPEG XL and AVIF |
| 2 |
Web Speech API: |
| 33 |
Anchor positioning (transforms and animations) |
| 4 |
Gamepad API automated testing by the Virtual Gamepad Control |
| 13 |
CSS `inherit()` function |
| 8 |
CSS `ident()` function |
| 23 |
CSS element() |
| 1 |
CSS `baseline-source` property |
| 17 |
CSS `filter()` image function |
| 2 |
Permissions Policy investigation to check that browsers apply the same rules |
| 5 |
WebVTT |
| 3 |
CSS `@counter-style` rule |
| 36 |
CSS Grid Lanes |
| 40 |
CSS `margin-trim` property |
| 49 |
Responsive iframes |
| 9 |
Viewports on Mobile |
| 0 |
Preserve History State after Cross-Document Navigation |
| 10 |
Viewport Segments API |
| 8 |
Device Posture API |
| 3 |
Scroll snap to a single element with scroll-snap-type: pair |
| 7 |
Installed Web App Automated Testing |
| 12 |
Single-axis scroll containers |
| 9 |
Programmatic scroll promises |
| 18 |
at-rule() |
| 11 |
Scroll-Triggered Animations |
| 4 |
symbols() CSS function |
| 12 |
CSS Rhythmic Sizing — the `block-step-*` properties |
| 36 |
Web app installation |
| 5 |
Profiler (aka JavaScript self-profiling API) |
| 1 |
MediaSession Actions togglecamera/togglemicrophone/voiceactivity |
| 11 |
Pointer Events for Mobile |
| 2 |
Web Share: reliable automated tests for desktop sharing |
| 1 |
Intersection Observer visibility tracking: investigate interoperable behavior and increase WPT coverage |
| 10 |
Connection Allowlists |
| 8 |
WPT <meta name="text-scale" content="scale"> |
| 12 |
Transparency in video |
| 50 |
Element Scoped View Transitions |
| 7 |
CSS polygon() vertex rounding (round <length>) |
| 10 |
webdriver-bidi |
| 20 |
Sanitizer API: HTML setter methods |
| 0 |
SFrame Support in Encoded Transforms |
| 3 |
MediaStreamTrackProcessor and VideoTrackGenerator |
| 26 |
Scheduler API |
| 25 |
Computed Heading Level |
| 1 |
Out of band loads triggering img.complete on lazy images |
| 10 |
CSS forms: Support align-content on button / input centering |
| 5 |
Keyboard Lock in requestFullscreen |
| 19 |
Scroll markers |
| 15 |
<input type="week"> |
| 9 |
web app manifest `share_target` |
| 6 |
CSS `random-item()` |
| 55 |
HTML `<datalist>` |
| 27 |
OpaqueRange |
| 7 |
103 Early Hints preload (and its Resource Timing entries) |
| 14 |
Multiple import maps |
| 31 |
requestIdleCallback |
| 4 |
NavigationTiming - NotRestoredReasons |
| 5 |
Cross-origin redirect and Navigation Timing / Resource Timing |
| 21 |
:host(:has(...)) support |
| 127 |
Gamut mapping |
| 124 |
Customizable Select |
| 14 |
Unprefix box-decoration-break |
| 5 |
Better image resize, crop, thumbnailing, etc with createImageBitmap() |
| 34 |
ariaNotify() method |
| 5 |
JS Module Scripts in more contexts (2027 edition) |
| 18 |
CSS object-view-box |
| 51 |
Support `transition-behaviour` for `display` and `content-visibility` |
| 9 |
Extended lifetime shared workers (`SharedWorkerOptions.extendedLifetime`) |
| 155 |
Temporal API |
| 9 |
Federated Credential Management (FedCM) API |
| 136 |
CSS line-clamp |
| 6 |
WebCodecs API Interoperability |
| 3 |
Syndication Feed Discovery |
| 10 |
Canvas text rendering and metrics (2027 edition) |
| 90 |
CSS Gap Decorations |
| 131 |
CSS `interpolate-size` and `calc-size()` |
| 30 |
Long Animation Frames API |
| 292 |
CSS ` border-shape` |
| 81 |
CSS `corner-shape` |
| 59 |
`<template for >` out of order template replacment |
| 78 |
CSS Container `scroll-state` queries |
| 58 |
CSS `Anchor position` Container queries |
| 35 |
`AccentColor` should reflect `accent-color` |
| 37 |
`justify-self` |
| 63 |
CSS @mixin |
| 87 |
Interest invoker API |
| 111 |
CSS @function |
| 48 |
CSS :has-slotted support |
| 185 |
`moveBefore()` |
| 34 |
CSS random() |
| 14 |
CSS `text-size-adjust` |
| 32 |
Layout Instability API (Core Web Vitals: Cumulative Layout Shift) |
| 31 |
CSS Anchor Positioning: Allow shadow trees elements to reference anchor names defined in “higher” trees. |
| 87 |
flex-wrap: balance |
| 49 |
CSS `reading-flow` |
| 115 |
HTML `focusgroup` |
| 22 |
CSSPseudoElement |
| 138 |
CSS Linked Parameters for SVG |
| 35 |
Scroll snap events |
| 49 |
CSS: Allow custom properties `var()` in size container queries |
| 109 |
CSS if() function |
| 26 |
Customizable Built-ins, deprecate |
| 102 |
Web Sanitizer API |
| 53 |
Speculation Rules API |
| 7 |
[css-color] handling of powerless and missing components |
| 85 |
Reference Target for Cross-Root ARIA |
| 18 |
Document Isolation Policy |
| 35 |
WebUSB |