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Expand file tree Collapse file tree Original file line number Diff line number Diff line change 1- draft_date : 2026-03-02
1+ draft_date : 2026-03-25
22name : CSS Anchor Positioning Module Level 2
33description : TODO
44spec : https://drafts.csswg.org/css-anchor-position-2/
55compat_features :
66 - api.HTMLButtonElement.commandForElement.implicit_anchor_reference
7+ - css.properties.anchor-name.position_after_layout
8+ - css.properties.position-area.disables_auto_margins_and_insets
79 - css.properties.position-try-fallbacks.block-end
810 - css.properties.position-try-fallbacks.block-start
911 - css.properties.position-try-fallbacks.bottom
@@ -233,6 +235,7 @@ compat_features:
233235# - css.properties.place-self.anchor-center
234236# - css.properties.position-anchor
235237# - css.properties.position-anchor.auto
238+ # - css.properties.position-anchor.none
236239# - css.properties.position-area
237240# - css.properties.position-area.block-end
238241# - css.properties.position-area.block-start
Original file line number Diff line number Diff line change 33
44status:
55 baseline: false
6- support:
7- firefox: "147"
8- firefox_android: "147"
9- safari: "26.2"
10- safari_ios: "26.2"
6+ support: {}
117compat_features:
128 # baseline: low
139 # baseline_low_date: 2026-01-13
@@ -147,11 +143,29 @@ compat_features:
147143 - css.properties.position-try.flip-x
148144 - css.properties.position-try.flip-y
149145
150- # ⬇️ Same status as overall feature ⬇️
146+ # baseline: low
147+ # baseline_low_date: 2026-02-24
148+ # support:
149+ # chrome: "143"
150+ # chrome_android: "143"
151+ # edge: "143"
152+ # firefox: "148"
153+ # firefox_android: "148"
154+ # safari: "26.2"
155+ # safari_ios: "26.2"
156+ - css.properties.position-area.disables_auto_margins_and_insets
157+
151158 # baseline: false
152159 # support:
153160 # firefox: "147"
154161 # firefox_android: "147"
155162 # safari: "26.2"
156163 # safari_ios: "26.2"
157164 - css.properties.position-visibility.anchors-valid
165+
166+ # baseline: false
167+ # support:
168+ # chrome: "144"
169+ # chrome_android: "144"
170+ # edge: "144"
171+ - css.properties.anchor-name.position_after_layout
Original file line number Diff line number Diff line change 1- draft_date : 2026-02-16
1+ draft_date : 2026-03-25
22name : CSS Text Module Level 4
33description : TODO
44spec : https://drafts.csswg.org/css-text-4/
55compat_features :
66 - css.properties.hyphens.manual
77 - css.properties.hyphens.none
8+ - css.properties.letter-spacing.percentages
89 - css.properties.text-align-last.center
910 - css.properties.text-align-last.end
1011 - css.properties.text-align-last.justify
@@ -18,6 +19,7 @@ compat_features:
1819 - css.properties.white-space.preserve-breaks
1920 - css.properties.white-space.preserve-spaces
2021 - css.properties.white-space.wrap
22+ - css.properties.word-spacing.percentages
2123
2224# The following features in the spec are already part of web-features:
2325# - Hanging punctuation:
Original file line number Diff line number Diff line change @@ -76,6 +76,19 @@ compat_features:
7676 # safari_ios: "17.4"
7777 - css.properties.text-wrap.auto
7878
79+ # baseline: low
80+ # baseline_low_date: 2026-02-14
81+ # support:
82+ # chrome: "145"
83+ # chrome_android: "145"
84+ # edge: "145"
85+ # firefox: "45"
86+ # firefox_android: "45"
87+ # safari: "7"
88+ # safari_ios: "7"
89+ - css.properties.letter-spacing.percentages
90+ - css.properties.word-spacing.percentages
91+
7992 # baseline: false
8093 # support:
8194 # safari: "16"
Original file line number Diff line number Diff line change 1- draft_date : 2026-03-16
1+ draft_date : 2026-03-25
22name : HTML
33description : TODO
44spec : https://html.spec.whatwg.org/multipage/
@@ -39,6 +39,7 @@ compat_features:
3939 - api.HTMLInputElement.showPicker.time_input
4040 - api.HTMLInputElement.showPicker.week_input
4141 - api.HTMLMediaElement.getStartDate
42+ - api.HTMLMediaElement.playbackRate.negative_values
4243 - api.HTMLOptionsCollection
4344 - api.HTMLOptionsCollection.add
4445 - api.HTMLOptionsCollection.length
Original file line number Diff line number Diff line change @@ -1040,6 +1040,12 @@ compat_features:
10401040 - api.Navigator.oscpu
10411041 - api.Navigator.taintEnabled
10421042
1043+ # baseline: false
1044+ # support:
1045+ # safari: "3.1"
1046+ # safari_ios: "3"
1047+ - api.HTMLMediaElement.playbackRate.negative_values
1048+
10431049 # baseline: false
10441050 # support:
10451051 # safari: "9"
Original file line number Diff line number Diff line change 1- draft_date : 2026-01-19
1+ draft_date : 2026-03-25
22name : WebCodecs
33description : TODO
44spec : https://w3c.github.io/webcodecs/
55compat_features :
6+ - api.VideoFrame.VideoFrame.metadata_option
67 - api.VideoFrame.metadata
78
89# The following features in the spec are already part of web-features:
Original file line number Diff line number Diff line change 88 chrome_android: "145"
99 edge: "145"
1010compat_features:
11+ - api.VideoFrame.VideoFrame.metadata_option
1112 - api.VideoFrame.metadata
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