0.26.1

See also: https://www.w3.org/TR/2018/WD-selectors-4-20180202/

after/syntax/css/css-align-3.vim

@@ -1,5 +1,5 @@
 syn match cssFontProp contained "\<\(justify\|align\|place\)-\(self\|content\|items\)\>"
-syn match cssFontProp contained "\<\(grid-\)\=\(\(row\|column\)-\)\=gap\>"
+syn match cssFontProp contained "\<\(\(row\|column\)-\)\=gap\>"
 syn keyword cssFontAttr contained safe unsafe legacy
 syn match cssFontAttr contained "\<\(self\|flex\)-\(start\|end\)\>"
 syn match cssFontAttr contained "\<space-\(between\|around\|evenly\)\>"

after/syntax/css/css-scroll-snap-1.vim

@@ -1,3 +1,3 @@
 syn match cssFontProp contained "\<scroll-snap-\(type\|align\|stop\)\>"
-syn match cssFontProp contained "\<scroll-\(padding\|snap-margin\)\(-\(top\|bottom\|right\|left\|\(block\|inline\)\(-\(end\|start\)\)\=\)\)\=\>"
+syn match cssFontProp contained "\<scroll-\(padding\|margin\)\(-\(top\|bottom\|right\|left\|\(block\|inline\)\(-\(end\|start\)\)\=\)\)\=\>"
 syn keyword cssFontAttr contained x y mandatory proximity

after/syntax/css/css-ui-4.vim

@@ -1,3 +1,3 @@
-syn match cssUIProp contained "\<caret\(-\(shape\|animation\)\)\=\>"
+syn match cssUIProp contained "\<caret\(-shape\)\=\>"
 syn keyword cssUIAttr contained fade underscore
 syn region cssFunction contained matchgroup=cssFunctionName start="\<fade\s*(" end=")" oneline keepend

after/syntax/css/selectors4.vim

@@ -1,9 +1,10 @@
 syn match cssSelectorOp "[|]"
-syn keyword cssPseudoClassId contained scope current past future default valid invalid required optional blank
+syn keyword cssPseudoClassId contained scope current past future default valid invalid required optional blank playing paused
 syn match cssPseudoClassId contained "\<\(any\|local\)-link\>"
 syn match cssPseudoClassId contained "\<read-\(only\|write\)\>"
 syn match cssPseudoClassId contained "\<placeholder-shown\>"
 syn match cssPseudoClassId contained "\<\(in\|out-of\)-range\>"
-syn match cssPseudoClassId contained "\<user-error\>"
-syn match cssPseudoClassId contained "\<\(active\|valid\|invalid\)-drop-target\>"
-syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":\(matches\|dir\|local-link\|current\|nth\(-last\)\=-\(match\|column\)\|column\)(" end=")" oneline
+syn match cssPseudoClassId contained "\<user-invalid\>"
+syn match cssPseudoClassId contained "\<target-within\>"
+syn match cssPseudoClassId contained "\<focus-\(within\|visible\)\>"
+syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":\(matches\|dir\|local-link\|current\|nth\(-last\)\=-col\|has\|drop\)(" end=")" oneline

test/test.css

@@ -11,9 +11,6 @@
   row-gap: legacy;
   column-gap: auto;
   gap: auto;
-  grid-column-gap: auto;
-  grid-row-gap: auto;
-  grid-gap: auto;
 }
 
 .animations {
@@ -616,7 +613,7 @@
 .scroll-snap-1 {
   scroll-snap-type: x;
   scroll-padding: y;
-  scroll-snap-margin: mandatory;
+  scroll-margin: mandatory;
   scroll-snap-align: proximity;
   scroll-snap-stop: auto;
   scroll-padding-top: auto;
@@ -629,16 +626,16 @@
   scroll-padding-block-end: auto;
   scroll-padding-block: auto;
   scroll-padding-inline: auto;
-  scroll-snap-margin-top: auto;
-  scroll-snap-margin-right: auto;
-  scroll-snap-margin-bottom: auto;
-  scroll-snap-margin-left: auto;
-  scroll-snap-margin-inline-start: auto;
-  scroll-snap-margin-block-start: auto;
-  scroll-snap-margin-inline-end: auto;
-  scroll-snap-margin-block-end: auto;
-  scroll-snap-margin-block: auto;
-  scroll-snap-margin-inline: auto;
+  scroll-margin-top: auto;
+  scroll-margin-right: auto;
+  scroll-margin-bottom: auto;
+  scroll-margin-left: auto;
+  scroll-margin-inline-start: auto;
+  scroll-margin-block-start: auto;
+  scroll-margin-inline-end: auto;
+  scroll-margin-block-end: auto;
+  scroll-margin-block: auto;
+  scroll-margin-inline: auto;
 }
 
 .selectors:target,
@@ -679,19 +676,20 @@
 .selectors4:placeholder-shown,
 .selectors4:in-range,
 .selectors4:out-of-range,
-.selectors4:user-error,
-.selectors4:active-drop-target,
-.selectors4:valid-drop-target,
-.selectors4:invalid-drop-target,
+.selectors4:user-invalid,
 .selectors4:matches(:hover, :focus),
 .selectors4:dir(ltr),
 .selectors4:local-link(0),
 .selectors4:current(p, li, dt, dd),
-.selectors4:nth-match(2n+1),
-.selectors4:nth-last-match(-n+2),
-.selectors4:nth-column(2n+1),
-.selectors4:nth-last-column(-n+2),
-.selectors4:column(p, li, dt, dd) {
+.selectors4:nth-col(2n+1),
+.selectors4:nth-last-col(-n+2),
+.selectors4:target-within,
+.selectors4:focus-within,
+.selectors4:focus-visible,
+.selectors4:playing,
+.selectors4:paused,
+.selectors4:has(> img),
+.selectors4:drop(active) {
   display: auto;
 }
 
@@ -844,7 +842,7 @@
 .ui-4 {
   caret: fade;
   caret-shape: fade(1em);
-  caret-animation: underscore;
+  display: underscore;
 }
 
 .values-3 {