50 Pull requests merged by 22 people

• [css-highlight-api-1] Update Editors

  #12438 merged Jul 2, 2025

• [css-forms-1] Add UA style to give slider fill an inline size of 0 wh…

  #12428 merged Jul 1, 2025

• Frozen items do not guarantee complete distribution of free space

  #11405 merged Jun 28, 2025

• [css-flexbox-1] Fix fallback alignment for align-content:stretch

  #11554 merged Jun 28, 2025

• [selectors-5] fix typo in :heading() syntax

  #12405 merged Jun 27, 2025

• Add scroll-direction state and updated overflowing state to scrollable in the explainer

  #12130 merged Jun 27, 2025

• [selectors-5]: Update heading specs based on resolutions in #10296

  #12404 merged Jun 27, 2025

• [css-selectors-5] add :heading, :heading(An+B) pseudo classes

  #11836 merged Jun 27, 2025

• [css-ui-4] define appearance: base-select

  #12402 merged Jun 26, 2025

• [css-conditional-5] Define a range syntax for style container queries

  #12401 merged Jun 26, 2025

• [css-overflow-4] Remove request to not expose line-clamp longhands

  #12400 merged Jun 26, 2025

• [css-mixins-1] Let 'inherit' work like 'inherit()'

  #12387 merged Jun 23, 2025

• [css-highlight-api] Change highlightsFromPoint return type #12031

  #12215 merged Jun 22, 2025

• [css-values-5] Allow omitting position options in color-interpolate()

  #12329 merged Jun 20, 2025

• [cssom-view-1] Editorial scrollIntoView container attribute fixes

  #12354 merged Jun 20, 2025

• [CSSOM-1] Fix typo in "insert a CSS rule"

  #12375 merged Jun 20, 2025

• [css-mixins-1] Revert to ED

  #12374 merged Jun 20, 2025

• [css-env-1] Explainer meta text scale

  #12377 merged Jun 20, 2025

• [css-ui-4] Clarify the applicability of the caret-* properties

  #11373 merged Jun 20, 2025

• [web-animations-1] Make commitStyles use an endpoint-inclusive active interval

  #11881 merged Jun 20, 2025

• [css-forms-1] Fix double borders

  #11984 merged Jun 18, 2025

• [cssom-view-1] Remove erroneous </li>

  #12360 merged Jun 18, 2025

• [css-view-transitions-1] Added authoring guidance re image-pair vs group

  #12344 merged Jun 17, 2025

• [media-5] Add more discussion of fingerprinting risks with prefers-*, per #12282

  #12318 merged Jun 17, 2025

• [css-view-transitions-2] Define the view-transition-group-children pseudo element

  #12277 merged Jun 16, 2025

• [css-scroll-anchoring-1] Fix anchor selection step.

  #12342 merged Jun 16, 2025

• [css-lists-3] Fix typo

  #12334 merged Jun 13, 2025

• [css-shapes-1] Missing comma between shape() parameters

  #12280 merged Jun 13, 2025

• [css-shapes-1] Typo

  #12281 merged Jun 13, 2025

• [css-borders-4] Tighten and improve corner-shape algorithm

  #12313 merged Jun 11, 2025

• [css-values-5] Make the progress() result consistent with its arguments

  #12309 merged Jun 10, 2025

• [css-values-5] Typo

  #12305 merged Jun 10, 2025

• [css-overflow-4] phrasing tweak in setting clamp points

  #12294 merged Jun 8, 2025

• [css-overflow-4][editorial] Minor phrasing tweak

  #12293 merged Jun 8, 2025

• [css-text-4] Fix link to MathML section

  #12242 merged Jun 6, 2025

• [css-mixins-1] Check default values against the parameter type

  #12243 merged Jun 6, 2025

• [css-shapes-2] Fix typo in link to css-shapes-1

  #12295 merged Jun 6, 2025

• [css-borders-4] Typo

  #12297 merged Jun 6, 2025

• [css-animations-2] Fix bikeshed errors

  #12253 merged Jun 5, 2025

• [css-borders-4] Add a general note about outline bordering and corner-shape

  #12278 merged Jun 5, 2025

• [css-values-4] Fetching: use declaration block instead of declaration

  #12286 merged Jun 5, 2025

• [css-shapes-1] Editorial: fix some broken links and alt texts in preparation for WD

  #12284 merged Jun 5, 2025

• [css-shapes-1] [css-shapes-2] Move shape() to level 1 and add myself as editor

  #12279 merged Jun 4, 2025

• [css-mixins-1] Don't erase the result type

  #12259 merged Jun 4, 2025

• [css-borders-4] Constrain radii for concave opposite corners

  #12272 merged Jun 4, 2025

• [css-mixins-1] Consistently return a syntax string

  #12245 merged Jun 3, 2025

• [css-overflow-4] Draft spec for continue: collapse (#7708)

  #10816 merged Jun 3, 2025

• [css-borders-4] Define border/shadow rendering for corner-shape

  #12175 merged Jun 3, 2025

• [css-values-5] Make color-mix() accept 1+ arguments #11530

  #12265 merged Jun 3, 2025

• [css-values-4] [css-cascade-4] [css-color-5] [css-fonts-4] [css-images-4] [css-shapes-2] Clean up fetching

  #12261 merged Jun 3, 2025

13 Pull requests opened by 11 people

• [pointer-animations-1] Prefix `pointer()` definition types

  #12283 opened Jun 5, 2025

• [css-animations-2] [web-animations-2] Animation trigger event

  #12314 opened Jun 10, 2025

• [css-values-5] Fix dfn of `<input-position>` and `<output-value>`

  #12349 opened Jun 17, 2025

• [cssom-view-1] Scroll methods in Element and Window return Promises

  #12355 opened Jun 17, 2025

• [css-borders-4] Define the 'corners' shorthand

  #12359 opened Jun 18, 2025

• [cssom-view-1] Define caretRangeFromPoint()

  #12362 opened Jun 18, 2025

• [css-forms-1] Explicitly restrict new pseudo-elements to basic appearance mode

  #12364 opened Jun 18, 2025

• [css-counter-styles] Define extended CJK longhand counter styles range

  #12383 opened Jun 22, 2025

• [css-pseudo-4] Add a note explaining Element.pseudo() behaviour #12159

  #12406 opened Jun 27, 2025

• [css-flexbox-1][editorial] Caption algo sections #11885

  #12413 opened Jun 28, 2025

• [css-env-1] fix pem typo

  #12415 opened Jun 30, 2025

• [css-forms-1] Improve slider UA styles

  #12427 opened Jul 1, 2025

• [css-values-5][editorial] Typo

  #12435 opened Jul 2, 2025

63 Issues closed by 29 people

• [cssom] #9686 added references to nonexistent `CSSMarginDescriptors`

  #12434 closed Jul 3, 2025

• [css-nesting-1][css-cascade-6] Should/can relative selectors be allowed un-nested

  #12418 closed Jul 2, 2025

• [css-anchor-position] The containing block should be allowed as an acceptable anchor element

  #10412 closed Jul 1, 2025

• [css-grid-3] [masonry] Should items with a definite row/column be placed first?

  #12393 closed Jun 30, 2025

• [css-flexbox] Change content-size suggestion to min-intrinsic instead of min-content?

  #6794 closed Jun 29, 2025

• [css-anchor-position] Popover anchor position not updated on scroll when using align-self: anchor-center;

  #12338 closed Jun 29, 2025

• [css-values-4] Should the `fr` unit be moved to Values and Units?

  #12356 closed Jun 29, 2025

• Accept transform-origin inside @position-try

  #12169 closed Jun 29, 2025

• [css-speech-1] new value `auto` for `speak-as`

  #12126 closed Jun 29, 2025

• [css-flexbox-1] Should 'align-content: stretch' use 'safe' in the fallback value?

  #11641 closed Jun 28, 2025

• [css-color][css-images] define/link how mix percentages are normalized

  #12233 closed Jun 27, 2025

• CSS pseudo-selector for h1-h6?

  #1008 closed Jun 27, 2025

• [selectors][css-content] :level(an+b) Pseudo Class

  #351 closed Jun 27, 2025

• [selectors] Adding a `:heading()` selector for headingoffset?

  #10296 closed Jun 27, 2025

• [cssom-view] scrollIntoView container spec unclear

  #12260 closed Jun 25, 2025

• [css-highlight-api] Should highlightsFromPoint also return ranges under the hit point?

  #12031 closed Jun 24, 2025

• [css-highlight-api] HighlightsFromPoint: Not dealing with invalid static ranges

  #12003 closed Jun 24, 2025

• [css-highlight-api] highlightsFromPoint(): Inconsistency between spec and test regarding shadow DOM

  #12045 closed Jun 24, 2025

• [css-ui-4] Name of `interactivity` property is ambiguous

  #11849 closed Jun 23, 2025

• [css-typed-om] Minor issue in arithmetic methods add(), min(), and max() of CSSNumericValue

  #12384 closed Jun 23, 2025

• [css-cascade-4] Why are transitions the highest priority?

  #12369 closed Jun 20, 2025

• [css-values-5] *Replace an attr() function* doesn't handle `raw-string`

  #12370 closed Jun 20, 2025

• How to display a parent div in a positioning layout?

  #12372 closed Jun 20, 2025

• [css-values] Allow `unset` to use `revert` for non-inherited properties, instead of `initial`

  #12341 closed Jun 20, 2025

• [css-overflow] Web compat issue when hiding abspos after the line-clamp point

  #11379 closed Jun 20, 2025

• [css-overflow-4] Should abspos painting in line-clamp depend only on whether the containing block is before clamp?

  #11962 closed Jun 20, 2025

• [web-animations] Could commitStyles always write the end state of the animation?

  #5394 closed Jun 20, 2025

• [css-color-hdr] How should checking for percentages summing to 0 work in `dynamic-range-limit-mix()` and `color-mix()` when calc() is used?

  #11678 closed Jun 19, 2025

• [css-forms-1] Double border style for progres, meter and input[type=checkbox][switch]

  #11841 closed Jun 18, 2025

• [css-nesting?] Allow nesting `@media` inside `@font-face`

  #11940 closed Jun 18, 2025

• [css-forms-1] use calc-size() for improved sizing of <button> and <select>

  #12085 closed Jun 18, 2025

• Inconsistency between `@property { syntax }` (quoted) and `attr(type())` (unquoted)

  #12353 closed Jun 18, 2025

• [mediaqueries-5] Allow comparators / ranges in style queries

  #11759 closed Jun 17, 2025

• [css-values-5] Generalized expression multiplier

  #12332 closed Jun 16, 2025

• [css-view-transitions-2]: Nested ::view-transition-group should have a container pseudo.

  #11926 closed Jun 16, 2025

• [css-scroll-anchoring] anchoring within contenteditable elements

  #11748 closed Jun 16, 2025

• [css-anchor-position] Popover anchor position not updated on scroll when using align-self: anchor-center;

  #12337 closed Jun 14, 2025

• [css-text][text-autospace] Is halfwidth Kana "non-ideographic letters"?

  #9471 closed Jun 13, 2025

• [css-backgrounds] `border-image` grammar includes <`border-image-width`> twice

  #12328 closed Jun 12, 2025

• [css-borders-4] corner-shape `angle` vs `bevel`

  #12232 closed Jun 11, 2025

• [css-values-5] How to determine the type of `<progress>` in `calc-mix()`?

  #10770 closed Jun 10, 2025

• Wrong implicit details relationship with anchor positioning

  #12311 closed Jun 10, 2025

• [css-mixins-1] Missing validation of default parameter value

  #11922 closed Jun 7, 2025

• [css-mixins-1] `3.1.11` seems to make it impossible to have a return type

  #12256 closed Jun 6, 2025

• [pointer-animations] Minor syntax suggestions

  #12285 closed Jun 6, 2025

• [css-overflow] interaction between text-overflow:ellipsis and line-clamp

  #10823 closed Jun 6, 2025

• [css-overflow] Is continue: discard working in the fragment tree useful?

  #7708 closed Jun 6, 2025

• [css-overflow-4] Clarify canonical order of `*-line-clamp` longhands

  #8742 closed Jun 6, 2025

• [css-overflow] Add spec text for the continue variant of `line-clamp`

  #10322 closed Jun 6, 2025

• [css-color-adjust-1] Emojis in forced colors mode

  #8064 closed Jun 5, 2025

• [css-borders-4] Specify how `corner-shape` affects `outline`

  #12194 closed Jun 5, 2025

• [css-color-4] What if gradients with legacy colors *also* interpolated in Oklab by default?

  #7948 closed Jun 5, 2025

• [css-images-4] Clarifying CSS gradient rendering for edge cases involving "longer hue" interpolation

  #11381 closed Jun 4, 2025

• [css-borders-4] Consider constraining radii for concave corner-shape when opposite corners overlap

  #12098 closed Jun 4, 2025

• [css-mixins] Are mixins inside a nested structure aware of its parents?

  #12016 closed Jun 4, 2025

• [css-borders-4] specify how corner-shape affects shadows, outline etc

  #11767 closed Jun 3, 2025

• [css-borders-4] Specify how borders are rendered for `corner-shape`

  #11610 closed Jun 3, 2025

• [css-values-5] Should random() function caching key work over used values?

  #11747 closed Jun 3, 2025

• [css-values-5][cssom] How should <url> modifiers be used when fetching a stylesheet from an @import rule?

  #12086 closed Jun 3, 2025

• [css-cascade] [css-values] CSS fetch algorithms assume the style sheet always has a location

  #12147 closed Jun 3, 2025

• [css-values] "fetch a style resource" should fall back to the CSSStyleSheet's location

  #12068 closed Jun 3, 2025

• [css-images] [css-values] Fetch algorithms require a style sheet, which may not exist

  #12065 closed Jun 3, 2025

• [cssom] Serialized CSS shorthand declaration has incorrect property

  #12262 closed Jun 3, 2025

102 Issues opened by 57 people

• [css-env-1] Should `env(var(--custom))` be valid?

  #12440 opened Jul 3, 2025

• Question: Is Responsive Web Design a Good Practice / Standard / aproach?

  #12439 opened Jul 3, 2025

• Add a `::interest-hint` pseudo element to interest invokers

  #12437 opened Jul 2, 2025

• Combinator to get from `interestfor` invoker to its target

  #12436 opened Jul 2, 2025

• [css-text] `hanging-punctuation: last` should be "conditionally hang"

  #12433 opened Jul 2, 2025

• [css-grid-3][Masonry] Repeat(auto-fill, auto) and % sized items

  #12432 opened Jul 1, 2025

• [css-gaps-1] Define interpolation behavior

  #12431 opened Jul 1, 2025

• [css-forms-1] Checkbox and radio sizing should meet WCAG

  #12430 opened Jul 1, 2025

• [css-conditional-5] Should `!important` be valid in a style query?

  #12426 opened Jul 1, 2025

• [css-conditional-5] Style and media ranges are inconsistent

  #12425 opened Jul 1, 2025

• [css-conditional-5] Should `revert-*` evaluate to `unknown` instead of `false` in a style query?

  #12424 opened Jul 1, 2025

• [css-grid-3][Masonry] Repeat(auto-fill, auto) requires no stretched auto tracks

  #12423 opened Jul 1, 2025

• [css-position][quirks] Should `positon: sticky` avoid the percentage height calculation quirk?

  #12422 opened Jun 30, 2025

• [css-sizing][quirks] Should `stretch` be affected by percentage height calculation quirk?

  #12421 opened Jun 30, 2025

• [css-values][quirks] Should `calc()` be affected by percentage height calculation quirk?

  #12420 opened Jun 30, 2025

• [css-forms-1] Have 2 slider-fill pseudos?

  #12419 opened Jun 30, 2025

• [css-mixins-1] Are @mixin rules valid within other at-rules?

  #12417 opened Jun 30, 2025

• [css-overflow-4] `line-clamp` shorthand syntax is ambiguous

  #12416 opened Jun 30, 2025

• [css-typed-om] Possible inconsistency in errors thrown from `rectify a CSSColor* val`

  #12414 opened Jun 29, 2025

• [selectors] :heading() selector and the accessibility tree

  #12412 opened Jun 28, 2025

• Practical guide to using will-change with currently invisible elements

  #12411 opened Jun 28, 2025

• [css-values-5][css-conditional-5] Security Concern: Accelerated Data Exfiltration with attr() and Style Query Ranges

  #12410 opened Jun 27, 2025

• [css-forms-1] How to allow control-value() to be used from an arbitrary element?

  #12409 opened Jun 27, 2025

• [view-transitions] Rename “Transition Root” to something else

  #12408 opened Jun 27, 2025

• [view-transitions] Expose `activeViewTransition`

  #12407 opened Jun 27, 2025

• [web-animations-2][css-animations-2] Should an animation be allowed to have multiple triggers associated?

  #12399 opened Jun 25, 2025

• [css-values-5] Misleading statement about syntax-checking arbitrary substitution functions at parse time

  #12398 opened Jun 25, 2025

• [web-animations-2][css-animations-2] How do AnimationTriggers attach to animations?

  #12397 opened Jun 25, 2025

• [pointer-animations-1] Use padding edges as timeline range for pointer timelines

  #12396 opened Jun 25, 2025

• [css-mixins] Update the name to "Custom Functions and Mixins"

  #12395 opened Jun 24, 2025

• [cssom-view-1] Differentiate programmatic directional scrolls from absolute scrolls

  #12394 opened Jun 24, 2025

• [cssom-view-1] offsetParent spec says that we return elements from open shadow trees, no browser does.

  #12392 opened Jun 24, 2025

• [css-anchor-position-2] Add a `fallback` feature for querying applied fallback for anchored elements

  #12391 opened Jun 24, 2025

• [css-anchor-position-2] Add a new container-type `anchored` for querying anchored elements

  #12390 opened Jun 24, 2025

• [animations] Media playback and “GIF” synchronisation

  #12389 opened Jun 24, 2025

• [css-typed-om] Should throw TypeError when CSSTransformComponents attributes are set to values that does not match

  #12388 opened Jun 23, 2025

• [css-text] Reconsider the initial value of the `text-autospace` property

  #12386 opened Jun 23, 2025

• Proposal: `scrollbar-offset` property

  #12385 opened Jun 23, 2025

• [css-typed-om] Some procedures seems to be missing steps for handling CSSMathClamp

  #12382 opened Jun 21, 2025

• [css-masking][css-motion] Unify (non-ray() related) grammar of clip-path and motion-path

  #12381 opened Jun 21, 2025

• [css-env][css-fonts] New `<meta text-scale>` tag to make UA initial font size respond to OS text scale setting

  #12380 opened Jun 21, 2025

• [css-shapes] Actually change the shape of the element and not just visually.

  #12379 opened Jun 20, 2025

• [css-images] Add `object-fit: stretch` to force SVGs to stretch without keeping their aspect ratio?

  #12378 opened Jun 20, 2025

• [css-sizing-3][css-values-4] Define `width` and `height` CSS values for SVG Elements in a mapping

  #12376 opened Jun 20, 2025

• [css-pseudo] Geometry methods for CSSPseudoElement

  #12373 opened Jun 20, 2025

• [css-anchor-position-1] Define precisely when anchor recalc points happen, and which offsets it captures.

  #12371 opened Jun 19, 2025

• [css-forms-1] What does control-value() return for `<input type="checkbox">`

  #12368 opened Jun 18, 2025

• [css-forms-1] What does control-value() return for `<progress>` and `<meter>`?

  #12367 opened Jun 18, 2025

• [css-forms-1] Rename basic appearance to base appearance

  #12366 opened Jun 18, 2025

• [css-forms-1] Should new pseudo-elements be restricted to base appearance mode?

  #12365 opened Jun 18, 2025

• [css-view-transitions-2] Animating view-transition-group-children captures

  #12363 opened Jun 18, 2025

• [cssom-view] Add "sticky" to the features argument to the window.open() method

  #12361 opened Jun 18, 2025

• [css-viewport-1] Specify relationship between zoom and font properties

  #12358 opened Jun 18, 2025

• [css-view-transitions-2] Copying border shape properties to view-transition-group-children

  #12357 opened Jun 17, 2025

• [cssom-view-1] offsetParent produces incorrect results for position:fixed elements that behave like absolute

  #12352 opened Jun 17, 2025

• [css-transition-2] Distinguishing between element mounted and switch `display: none` in `@starting-style`

  #12351 opened Jun 17, 2025

• [css-transition-2] `transition` property in `@starting-style`

  #12350 opened Jun 17, 2025

• [css-values-5] *-interpolate() grammar can lead to confusing values

  #12348 opened Jun 17, 2025

• [css-rhythm-1] block-step-insert value space to "inside" / "outside" ?

  #12347 opened Jun 16, 2025

• [css-values-5] Can we make input positions optional in *-interpolate(), like in gradients?

  #12346 opened Jun 16, 2025

• [css-values-5] Specify how colons/semicolons serialize in functions

  #12345 opened Jun 16, 2025

• [css-inline-3] Expected status of `<length>` and `<percentage>` units for `initial-letter-wrap` (in non-Chromium browsers?)

  #12343 opened Jun 16, 2025

• [css-values-5] allow attr() to be used for URLs

  #12340 opened Jun 15, 2025

• [css-masking] basic-shape interpolation not interoperable with omitted positions.

  #12339 opened Jun 15, 2025

• [css-animations-2] Move scroll and event animation triggers to independent namespace

  #12336 opened Jun 13, 2025

• [css-sizing] Intrinsic min/max block sizes with aspect ratio?

  #12333 opened Jun 13, 2025

• [cssom-view] Range.getClientRects is inconsistent

  #12331 opened Jun 12, 2025

• [css-conditional][css-values] Allow setting type for style() condition comparisons

  #12330 opened Jun 12, 2025

• [css-ruby][css-writing-modes] Interaction of ruby with box-breaking bidirectional control codes

  #12327 opened Jun 12, 2025

• [css-gaps-1]: Inheritance of gap decorations within subgrid

  #12326 opened Jun 11, 2025

• [css-view-transitions-2] [scoped] What is the paint order of the ::v-t pseudo in relation to the scope?

  #12325 opened Jun 11, 2025

• [css-view-transitions-2] [scoped] What is the layout of the ::v-t pseudo in relation to the scope?

  #12324 opened Jun 11, 2025

• [css-view-transitions-2] [scoped] When we encounter a tag collision, which transition is skipped?

  #12323 opened Jun 11, 2025

• [css-view-transitions-2] [scoped] Can a self-participating scope be an outer-transition participant?

  #12322 opened Jun 11, 2025

• [css-view-transitions-2] [scoped] Should the scope have contain:v-t by default?

  #12321 opened Jun 11, 2025

• [css-view-transitions-2] [scoped] Should the scope be self-participating by default?

  #12320 opened Jun 11, 2025

• [css-view-transitions-2] [scoped] Allow self-participating scopes?

  #12319 opened Jun 11, 2025

• [css-mixins-1] Allow typed custom properties inside custom functions

  #12317 opened Jun 11, 2025

• [css-filter-effects-2] Apple macOS26 Liquid Glass Effect

  #12316 opened Jun 11, 2025

• [css-mixins-1] Should parameters keep their type?

  #12315 opened Jun 11, 2025

• [css-counter-styles-3] Alias normal CJK counter styles to simplified names

  #12312 opened Jun 10, 2025

• [css-inline-3] `text-box` and `text-overflow` interaction

  #12308 opened Jun 9, 2025

• [css-mixins-1] Defining how results referring to a function should be handled

  #12304 opened Jun 8, 2025

• [css-conditional-5] `scroll-state(stuck)` will remain applying its `@container` ruleset for elements has left viewport

  #12302 opened Jun 7, 2025

• [css-text-decor] add text-decoration-offset

  #12301 opened Jun 7, 2025

• [css-counter-styles] CJK longhand counter styles should support values beyond 9999

  #12300 opened Jun 7, 2025

• [cssom-view-1] Don't define "layout viewport", cite "actual viewport"

  #12299 opened Jun 7, 2025

• [css-values-4][css-color-5] Define that color interpolation uses color-mix() if necessary

  #12292 opened Jun 6, 2025

• [filter-effects] What's the order of applying filters and `overflow`?

  #12291 opened Jun 6, 2025

• [css-values-5] Computed (vs used) value of mix() functions

  #12290 opened Jun 5, 2025

• [css-overflow-4] Allow scrollable overflow to be clipped in off-axis

  #12289 opened Jun 5, 2025

• [css-cascade-4] [css-values-4] [css-fonts-4] [css-font-loading] Further issues with URLs and fetching

  #12288 opened Jun 5, 2025

• [css-anchor-position] Fragmentation and bounding boxes

  #12287 opened Jun 5, 2025

• [mediaqueries] Fingerprinting for color-related media queries

  #12282 opened Jun 5, 2025

• [css-values-5] if() function style() styntax should allow for container-names

  #12273 opened Jun 4, 2025

• [css-pseudo-4] Clarify `::file-selector-button` is no longer element-backed and tree-abiding

  #12271 opened Jun 4, 2025

• [css-overflow-5]: allowing tab to access non-current items causes mismatch in forward vs. backward tab order

  #12270 opened Jun 3, 2025

• [css-overflow-5]: mechanism to override and set semantic props on overflow markers and buttons

  #12269 opened Jun 3, 2025

• [css-overflow-5]: browser translation of accessible name strings for scroll-markers and scroll-buttons

  #12268 opened Jun 3, 2025

• [css-forms-1] Rework default styles for slider-like controls

  #12267 opened Jun 3, 2025

• [css-colors-5] Serialization of `color-mix()` percentages in declared values

  #12266 opened Jun 3, 2025

• Proposal: wrap-strategy: balanced for visually balanced grid/flex wrapping

  #12264 opened Jun 3, 2025

161 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• [css-cascade-7] @sheet proposal #11509

  #11980 commented on Jun 18, 2025 • 2 new comments

• [css-values] Proposal for a 'progress' function to calculate progress between two <length> values

  #7268 commented on Jun 26, 2025 • 0 new comments

• [css-conditional-6] Behavior of style(0 = 0px)

  #12236 commented on Jun 26, 2025 • 0 new comments

• [css-grid-3] Renaming `masonry` keyword

  #9733 commented on Jun 26, 2025 • 0 new comments

• [cssom] Always return escaped idents?

  #12258 commented on Jun 27, 2025 • 0 new comments

• [css-anchor-position-1] Allow anchor references to match names in outer tree scopes

  #9408 commented on Jun 27, 2025 • 0 new comments

• [css-align][css-position][css-anchor-position] Introduce "document containing block" for some purposes?

  #10861 commented on Jun 27, 2025 • 0 new comments

• [css-position] Planning for 'position' being a shorthand

  #10069 commented on Jun 27, 2025 • 0 new comments

• [cssom] The way CSSStyleDeclaration exposes properties is not ideal.

  #5649 commented on Jun 28, 2025 • 0 new comments

• [css-flexbox-1] Merge section 9.2 with 9.3

  #11885 commented on Jun 28, 2025 • 0 new comments

• [css-display-4] Proposal: `display-visibility` property

  #12046 commented on Jun 29, 2025 • 0 new comments

• [selectors] Add selector match custom element

  #10407 commented on Jun 29, 2025 • 0 new comments

• [css-ui] cursor property should allow multiple non-url values

  #12047 commented on Jun 29, 2025 • 0 new comments

• [cssom] CSSImportRule.media should be nullable, maybe? Difference between Chromium and Firefox

  #12063 commented on Jun 29, 2025 • 0 new comments

• [css-grid] A way for columns to shrink below their minimum width when they overflow?

  #12071 commented on Jun 29, 2025 • 0 new comments

• [css-transforms] Proposal: allow `<length>` values in `scale`

  #12089 commented on Jun 29, 2025 • 0 new comments

• [CSS-Display-4] Note in `order` section makes incorrect assumptions about sighted and blind use cases

  #12093 commented on Jun 29, 2025 • 0 new comments

• [css-shape] Logical values for the `shape()` function

  #12114 commented on Jun 29, 2025 • 0 new comments

• [css-view-transitions-1] What's the point of position: fixed in `::view-transition`?

  #12116 commented on Jun 29, 2025 • 0 new comments

• [css-align-3][css-position-3] align-items and justify-items for out of flow items

  #12121 commented on Jun 29, 2025 • 0 new comments

• [selectors] :focus-visible matching heuristic unclear for non-interactive elements with tabindex="-1"

  #12127 commented on Jun 29, 2025 • 0 new comments

• [css-values] enable the use of counter() inside calc()

  #1026 commented on Jun 3, 2025 • 0 new comments

• [css-animations-2][web-animations-2] How should AnimationTrigger work?

  #12119 commented on Jun 25, 2025 • 0 new comments

• [css-content] Use case for counter / counters in content alt text?

  #10387 commented on Jun 25, 2025 • 0 new comments

• Add a property to the `CSSPseudoElement` IDL interface to determine if a pseudo element "exists"

  #12158 commented on Jun 25, 2025 • 0 new comments

• [css-align-3] the `safe flex-start` fallback alignment for `justify-content:space-between` is actually unsafe

  #11937 commented on Jun 25, 2025 • 0 new comments

• [view-transitions-1] Have the `-image-pair`, `-old`, and `-new` pseudos inherit `animation-timing-function`

  #11546 commented on Jun 25, 2025 • 0 new comments

• [css-view-transitions-2] Elements with content-visibility in new Document

  #10773 commented on Jun 25, 2025 • 0 new comments

• [cssom][css-position] Resolved value of over-constrained percentages in inset properties

  #3059 commented on Jun 25, 2025 • 0 new comments

• Add a property to the `CSSPseudoElement` IDL interface to retrieve pseudo argument(s)

  #12161 commented on Jun 25, 2025 • 0 new comments

• How to handle addEventListener on `CSSPseudoElement`?

  #12163 commented on Jun 25, 2025 • 0 new comments

• Should non-tree-abiding pseudo elements have a separate IDL interface?

  #12160 commented on Jun 25, 2025 • 0 new comments

• What should `pseudo(type)` return for elements that can't have pseudo elements?

  #12159 commented on Jun 25, 2025 • 0 new comments

• [css-borders-4] Interaction of single-path `border-shape` with non-uniform `border-width`

  #11662 commented on Jun 25, 2025 • 0 new comments

• [css-anchor-position] applying custom transform-origin and translate per position-try option

  #11666 commented on Jun 26, 2025 • 0 new comments

• [css-anchor-position] Is `anchor()` fallback used when outside of inset properties?

  #10950 commented on Jun 26, 2025 • 0 new comments

• [css-overflow-4] How do `-webkit-line-clamp` and `line-clamp` interact when both are specified?

  #10439 commented on Jun 26, 2025 • 0 new comments

• [css-page] Consider making 'size' a legacy alias of a new descriptor ('page-size')?

  #11925 commented on Jun 26, 2025 • 0 new comments

• [css-anchor-position-1] Behavior with transforms and offset-path

  #8584 commented on Jun 26, 2025 • 0 new comments

• [selectors] Should `:checked` and `:indeterminate` be exclusive?

  #9706 commented on Jun 26, 2025 • 0 new comments

• [cssom-view] update description of getBoxQuads API

  #10537 commented on Jun 26, 2025 • 0 new comments

• [css-color-4] Evaluate static gamut mapping algorithms for oklab/oklch spaces

  #10579 commented on Jul 1, 2025 • 0 new comments

• [css-align] Does `vertical-align` on table cell set `align-content` safely or not?

  #12220 commented on Jul 1, 2025 • 0 new comments

• [css-forms-1] Password visibility toggle

  #11845 commented on Jul 1, 2025 • 0 new comments

• [css-values] Spec does not reject duplicate `<request-url-modifier>`s, but WPT does

  #12151 commented on Jul 2, 2025 • 0 new comments

• [css-view-transitions-1][css-view-transitions-2] Soft-freeze view-transitions L1 and merge into L2

  #11202 commented on Jul 2, 2025 • 0 new comments

• [css-pseudo] Can we make pseudo-elements first-class citizens in the DOM?

  #11559 commented on Jul 2, 2025 • 0 new comments

• [css-values][css-backgrounds][css-animations][css-transitions][fill-stroke] How to handle linked list-valued properties?

  #7164 commented on Jul 2, 2025 • 0 new comments

• [css-fonts-5] Feature for making text always fit the width of its parent

  #2528 commented on Jul 2, 2025 • 0 new comments

• [css-highlight-api][css-anchor-position] Allow `anchor-name` on `::highlight(...)`

  #11100 commented on Jul 2, 2025 • 0 new comments

• Republishing Tasks Permathread

  #6900 commented on Jul 2, 2025 • 0 new comments

• [css-cascade-6] `&` matching inside the `@scope`, and its interaction with `:scope`

  #9740 commented on Jul 2, 2025 • 0 new comments

• Interpolate values between breakpoints

  #6245 commented on Jul 2, 2025 • 0 new comments

• [Proposal] Support styling based on an element’s intrinsic aspect ratio (or size)

  #12197 commented on Jul 2, 2025 • 0 new comments

• [css-backgrounds-4] Using logical keywords in background-position shorthand with multiple backgrounds

  #12132 commented on Jul 2, 2025 • 0 new comments

• [css-gaps-1] Gap intersection point definition might need updating for multi-col

  #12084 commented on Jul 2, 2025 • 0 new comments

• [css-animations-2] Add / separator before animation-trigger exit range

  #11948 commented on Jul 2, 2025 • 0 new comments

• [css-page][css-env] Expose unprintable areas via CSS

  #11395 commented on Jul 2, 2025 • 0 new comments

• Pseudo classes for the `interestfor` API

  #12154 commented on Jul 2, 2025 • 0 new comments

• [css-backgrounds] The shape of box-shadow should be a circle for a box with border-radius:50% and big spread

  #7103 commented on Jul 2, 2025 • 0 new comments

• [css-conditional-5] Add ability to test for at-rule preludes

  #6966 commented on Jul 3, 2025 • 0 new comments

• [css-anchor-position] Simplifying math functions for `<percentage>` in `anchor()`?

  #12131 commented on Jun 29, 2025 • 0 new comments

• [css-sizing] How should auto-sizing of iframes work?

  #12229 commented on Jun 29, 2025 • 0 new comments

• [view-transitions-1] Section 3.2.1 Conflates Pseudo-Elements and their Selectors

  #12190 commented on Jun 29, 2025 • 0 new comments

• [view-transitions-1] Callback is invoked without required parameters

  #12188 commented on Jun 29, 2025 • 0 new comments

• Proposal: touch-callout

  #12178 commented on Jun 29, 2025 • 0 new comments

• [css-pseudo] Click or Tap Location

  #12172 commented on Jun 29, 2025 • 0 new comments

• [css-color-adjust-1] interaction between propagation and forced-color adjustment

  #12168 commented on Jun 29, 2025 • 0 new comments

• [css-color-adjust-1] `ForcedColorsModeAutomationTheme` should not be a Web IDL enum

  #12135 commented on Jun 29, 2025 • 0 new comments

• [css-overflow-4] overflow-clip-margin-* is missing information on how percentages are handled

  #12156 commented on Jun 29, 2025 • 0 new comments

• [Proposal][css-overflow-5][css-2025] Native CSS Detection of Text Truncation

  #12199 commented on Jun 29, 2025 • 0 new comments

• [cssom] Serialization of large numbers should use scientific notation

  #6471 commented on Jun 29, 2025 • 0 new comments

• [selectors] Pseudo-classes for image state

  #3134 commented on Jun 29, 2025 • 0 new comments

• [css-transitions-2] Exit animations (`@exit-style`)

  #9500 commented on Jun 30, 2025 • 0 new comments

• [css-cascade-6] When using @import scope(), are the imported styles 'nested'?

  #11756 commented on Jun 30, 2025 • 0 new comments

• [css-cascade-6] `:scope` scoping root node clarification

  #9739 commented on Jun 30, 2025 • 0 new comments

• [css-ui] Support setting offscreen content inert

  #10711 commented on Jun 30, 2025 • 0 new comments

• [css-borders-4] New `border-radius` value for perfectly matching nested radii

  #7707 commented on Jul 1, 2025 • 0 new comments

• [css-env][css-conditional] Need an approach to check whether an environment variable is supported

  #3576 commented on Jul 1, 2025 • 0 new comments

• [css-fonts] Should `font-style: oblique 14deg` serialize as `font-style: oblique`?

  #11633 commented on Jul 1, 2025 • 0 new comments

• [css-values-5][css-namespaces] CSS @namespace rules should probably not allow URLs with request modifiers

  #12077 commented on Jul 1, 2025 • 0 new comments

• [css-fonts-4] Remove duplication of UA requirements

  #12203 commented on Jun 10, 2025 • 0 new comments

• Proposal: Custom CSS Functions & Mixins

  #9350 commented on Jun 10, 2025 • 0 new comments

• [css-values-5] Clarify what is a non-animatable `interpolate()` argument

  #9591 commented on Jun 10, 2025 • 0 new comments

• [css-values-5] Using `first-valid()` and `interpolate()` in shorthands

  #11136 commented on Jun 10, 2025 • 0 new comments

• [css-values-5] Define `<progress-source>` with `<calc-sum>`

  #10797 commented on Jun 10, 2025 • 0 new comments

• [mediaqueries-5] Privacy considerations.

  #3488 commented on Jun 11, 2025 • 0 new comments

• [mediaqueries] Prose for `scan` media-feature is misleading

  #12226 commented on Jun 11, 2025 • 0 new comments

• CSS WG drafts server

  #12054 commented on Jun 11, 2025 • 0 new comments

• [css-overflow] add method to prevent elements from contributing to scrollable overflow

  #8361 commented on Jun 11, 2025 • 0 new comments

• [css-pseudo] Add a ::contents pseudo-element

  #2406 commented on Jun 11, 2025 • 0 new comments

• [cssom-view] scrollIntoView spec text ("determine the scroll-into-view position") disagrees with browser behavior on which writing-mode(s) to use to determine sides

  #11796 commented on Jun 11, 2025 • 0 new comments

• [css-overflow-5] Selecting ::scroll-marker based on relationship to scroll target

  #11600 commented on Jun 11, 2025 • 0 new comments

• [css-properties-values-api-1] Figure out what to do with font-relative lengths

  #9517 commented on Jun 11, 2025 • 0 new comments

• [css-shapes-1] Updated CR of CSS Shapes?

  #6450 commented on Jun 12, 2025 • 0 new comments

• [css-overflow-5]: resolving document.activeElement and focus event targets

  #12239 commented on Jun 12, 2025 • 0 new comments

• [css-overflow-5]: calling focus on the carousel / scroll container

  #12240 commented on Jun 12, 2025 • 0 new comments

• [css-logical] Flow-relative syntax for `margin`-like shorthands

  #1282 commented on Jun 12, 2025 • 0 new comments

• [css-sizing] Nobody follows the spec about cyclic percentages in min sizing properties

  #10969 commented on Jun 12, 2025 • 0 new comments

• [css-contain] Similar to window.matchMedia(), Container Queries should have a similar method

  #6205 commented on Jun 12, 2025 • 0 new comments

• [css-display-3] PointerEvent delivered to a pseudo inside a display:contents element yields unexpected results

  #9869 commented on Jun 13, 2025 • 0 new comments

• [css-values-5] Behavior of ident() in at-rule preludes

  #12219 commented on Jun 4, 2025 • 0 new comments

• [css-text] Prevent line breaking after explicit hyphens

  #3434 commented on Jun 4, 2025 • 0 new comments

• [css2] Clarify 10.6.2: height with auto sizing, intrinsic ratio, and intrinsic height

  #12254 commented on Jun 4, 2025 • 0 new comments

• [css-lists] Error in example 19 in the Lists spec

  #6413 commented on Jun 4, 2025 • 0 new comments

• Add "show interest" and "lose interest" hover delays to CSS

  #9236 commented on Jun 4, 2025 • 0 new comments

• [css-scoping][selectors] `:root` should resolve to `:host` in shadow trees

  #11000 commented on Jun 5, 2025 • 0 new comments

• [css-nesting] Make nesting work in `:host` rules

  #9496 commented on Jun 5, 2025 • 0 new comments

• [css-color-4] Channel clipping breaks author expectations, especially when using 'perceptually uniform' spaces

  #9449 commented on Jun 5, 2025 • 0 new comments

• [css-cascade-6] Enable `revert-layer` layer limiting and fallback values

  #10416 commented on Jun 5, 2025 • 0 new comments

• [css-overflow-4] [css-break] How does `widows` and similar properties affecting fragmentation interact with `continue: discard`?

  #9235 commented on Jun 6, 2025 • 0 new comments

• [css-overflow] Can you line-clamp by both a number of lines and a height at the same time?

  #12041 commented on Jun 6, 2025 • 0 new comments

• [css-overflow] `text-wrap-style` interaction with height-based `line-clamp`

  #10827 commented on Jun 6, 2025 • 0 new comments

• [css-values-5] [css-overflow-4]How does `line-clamp` transition from `<integer>` to `auto` or `none`?

  #10502 commented on Jun 6, 2025 • 0 new comments

• [css-overflow-4] Unexpected behavior of `continue: discard` on multicolumn containers with spanners

  #8721 commented on Jun 6, 2025 • 0 new comments

• [css-borders] Add shorthand for `border-shape` / `corner-shape` / `border-radius`

  #11679 commented on Jun 6, 2025 • 0 new comments

• [css-om-view] Describe layout and visual viewports

  #4724 commented on Jun 7, 2025 • 0 new comments

• [css-easing] Allow `steps()` to accept an easing function as the `<step-position>`

  #11970 commented on Jun 8, 2025 • 0 new comments

• [mediaqueries-5] Add media query for power saving mode

  #7389 commented on Jun 8, 2025 • 0 new comments

• [css-borders][css-backgrounds] Interaction of `corner-shape` with `shape-outside` needs to be determined

  #10747 commented on Jun 8, 2025 • 0 new comments

• [css-overflow] [css-text] Interaction between whitespace collapsing and line-clamp

  #12008 commented on Jun 8, 2025 • 0 new comments

• [css-sizing] How to handle min-content being bigger than max-content?

  #12076 commented on Jun 21, 2025 • 0 new comments

• [css-env][css-values] UAs inconsistent in how OS font settings affect the default font-size `medium`

  #10674 commented on Jun 21, 2025 • 0 new comments

• [css-borders] Add a 'hairline' border-width value

  #3720 commented on Jun 21, 2025 • 0 new comments

• [css-multicol] Do we need column-wrap as well as column-height

  #11754 commented on Jun 23, 2025 • 0 new comments

• [css-multicol-2] `column-wrap`, `column-height` and column balancing

  #11976 commented on Jun 23, 2025 • 0 new comments

• [css-ui] The interactivity property should not be included in the all shorthand

  #12049 commented on Jun 23, 2025 • 0 new comments

• [cssom-view] CSSOM View Module redefines some MouseEvent attributes

  #4084 commented on Jun 23, 2025 • 0 new comments

• [css-values] Proposal for an `all-vars` property to reset all custom properties

  #11105 commented on Jun 23, 2025 • 0 new comments

• [css-borders-4] add "radius/corner-smoothing" option to `border-radius` for squircles/superellipse

  #10653 commented on Jun 23, 2025 • 0 new comments

• [css-selectors] Expose <input type=search> clear icon as a standard pseudo element

  #5365 commented on Jun 23, 2025 • 0 new comments

• [cssom-view] Consider making scroll methods return promises

  #1562 commented on Jun 23, 2025 • 0 new comments

• [css-tables][css-sizing] What sizing keywords allow fixed table mode?

  #10937 commented on Jun 23, 2025 • 0 new comments

• [css-contain-3] Define a syntax for state-based container queries

  #6402 commented on Jun 24, 2025 • 0 new comments

• [css-flexbox] new flex wrap value that changes the flex direction

  #6366 commented on Jun 24, 2025 • 0 new comments

• Add a property to retrieve plural instances of pseudo elements with the same selector

  #12162 commented on Jun 25, 2025 • 0 new comments

• [CSS-Pseudo] Styling one-vs-many-vs-all with pseudo classes on highlight pseudos

  #11727 commented on Jun 25, 2025 • 0 new comments

• [css-anchor] Detecting active @position-fallback

  #8171 commented on Jun 25, 2025 • 0 new comments

• [css-overflow] What counts as "immediately preceding" for `block-ellipsis`?

  #10868 commented on Jun 25, 2025 • 0 new comments

• [CSS Pseudo] Hit test regions for pseudo-classes on highlight pseudo-elements

  #11726 commented on Jun 25, 2025 • 0 new comments

• [css-overflow-5] Discrete versus navigation scroll marker mode

  #12122 commented on Jun 25, 2025 • 0 new comments

• [css-contain-4] Define a range syntax for style container queries

  #8376 commented on Jun 13, 2025 • 0 new comments

• [css-contain-4] Extend style query syntax?

  #7068 commented on Jun 13, 2025 • 0 new comments

• [css-text-4] Add an optional second value to `hyphenate-character` to render the unchosen `&shy;`

  #12255 commented on Jun 15, 2025 • 0 new comments

• [cssom-view-1][css-overflow-3] Definition of scrollable-area should match between specifications.

  #12080 commented on Jun 16, 2025 • 0 new comments

• [css-content][css-fonts][css-text] Language-dependent behavior in CSS with ill-formed language tags

  #7098 commented on Jun 16, 2025 • 0 new comments

• [css-contain-3][css-mediaqueries-5] Unified custom queries

  #7622 commented on Jun 16, 2025 • 0 new comments

• [css-values-5] Accept more than 2 values in `*-mix(<progress>, ...)` and `progress()` notations

  #11530 commented on Jun 17, 2025 • 0 new comments

• [css-view-transitions-2] Figure out a way to make hit-testing work on live (new) elements during a view transition

  #10930 commented on Jun 17, 2025 • 0 new comments

• [css-fonts] Making the font matching algorithm more prescriptive for local fonts

  #11753 commented on Jun 17, 2025 • 0 new comments

• [css-fonts] Add generic font family, Blackletter

  #10037 commented on Jun 18, 2025 • 0 new comments

• [css-sizing] Where does the default aspect-ratio of a <video> come from?

  #12053 commented on Jun 18, 2025 • 0 new comments

• [css-values-5] Allow `if()` in descriptors

  #11941 commented on Jun 18, 2025 • 0 new comments

• [css-borders-4] corner-shape initial value ("round") is strange in some cases (e.g. bevel)

  #11623 commented on Jun 18, 2025 • 0 new comments

• [css-sizing][css-flexbox] It's false that `stretch` size behaves as `stretch` alignment

  #11784 commented on Jun 18, 2025 • 0 new comments

• [css-sizing] Intrinsic contribution of `fit-content()` with cyclic percentages

  #11805 commented on Jun 18, 2025 • 0 new comments

• [css-overflow-5] Bikeshed scroll-marker-contain property name

  #12191 commented on Jun 18, 2025 • 0 new comments

• [css2][css-flow][css-sizing] How do min/max block sizes affect bottom margin collapse with last child?

  #12218 commented on Jun 19, 2025 • 0 new comments

• [css-color] Mitigating fingerprinting for AccentColor/AccentColorText

  #10372 commented on Jun 20, 2025 • 0 new comments

• [css-values-4] Specify how to determine the type of a standalone `<dimension>`

  #11765 commented on Jun 20, 2025 • 0 new comments

• [css-values-4] Should progress() functions clamp to 0-100%?

  #11825 commented on Jun 20, 2025 • 0 new comments