2.9.0

https://www.w3.org/TR/2025/WD-css-conditional-5-20251030/

after/syntax/css/anchor-position-1.vim

@@ -1,4 +1,4 @@
 syn keyword cssFontProp contained anchor-name anchor-scope position-area position-anchor position-try position-try-fallbacks position-try-order position-visibility
-syn keyword cssFontAttr contained span-left span-right span-x-start span-x-end x-self-start x-self-end span-x-self-start span-x-self-end span-all span-top span-bottom span-y-start span-y-end y-self-start y-self-end span-y-self-start span-y-self-end block-start block-end span-block-start span-block-end self-block-start self-block-end span-self-block-start span-self-block-end inline-start inline-end span-inline-start span-inline-end self-inline-start self-inline-end span-self-inline-start span-self-inline-end span-start span-end self-start self-end span-self-start span-self-end anchor-center most-width most-height most-block-size most-inline-size flip-block flip-inline flip-start
+syn keyword cssFontAttr contained span-left span-right span-x-start span-x-end self-x-start self-x-end span-self-x-start span-self-x-end span-all span-top span-bottom span-y-start span-y-end self-y-start self-y-end span-self-y-start span-self-y-end block-start block-end span-block-start span-block-end self-block-start self-block-end span-self-block-start span-self-block-end inline-start inline-end span-inline-start span-inline-end self-inline-start self-inline-end span-self-inline-start span-self-inline-end span-start span-end self-start self-end span-self-start span-self-end anchor-center most-width most-height most-block-size most-inline-size flip-block flip-inline flip-start
 syn region cssFunction contained matchgroup=cssFunctionName start="\<anchor\(-size\)\=\s*(" end=")" oneline keepend
 syn match cssFontDescriptor "@position-try\>" nextgroup=cssFontDescriptorBlock skipwhite skipnl

after/syntax/css/anchor-position-2.vim

@@ -0,0 +1 @@
+syn keyword cssFontAttr contained anchored

after/syntax/css/conditional-5.vim

@@ -1,3 +1,3 @@
 syn keyword cssFontProp contained container-type container-name container
 syn keyword cssFontAttr contained inline-size
-syn match cssFontDescriptor "@\(when\|else\)\>" nextgroup=cssFontDescriptorBlock skipwhite skipnl
+syn match cssFontDescriptor "@\(when\|else\|supports-condition\)\>" nextgroup=cssFontDescriptorBlock skipwhite skipnl

after/syntax/css/cssom-view-1.vim

@@ -1,2 +0,0 @@
-syn keyword cssFontProp contained scroll-behavior
-syn keyword cssFontAttr contained smooth

after/syntax/css/env-1.vim

@@ -0,0 +1 @@
+syn region cssFunction contained matchgroup=cssFunctionName start="\<env\s*(" end=")" oneline contains=cssValueInteger,cssValueNumber,cssValueLength,cssFunctionComma

after/syntax/css/overflow-3.vim

@@ -1 +1,2 @@
-syn keyword cssFontProp contained continue overflow-clip-margin overflow-block overflow-inline scrollbar-gutter block-ellipsis line-clamp max-lines
+syn keyword cssFontProp contained continue overflow-clip-margin overflow-block overflow-inline scrollbar-gutter block-ellipsis line-clamp max-lines scroll-behavior
+syn keyword cssFontAttr contained smooth

test/test.css

@@ -23,19 +23,19 @@
   display: span-right;
   display: span-x-start;
   display: span-x-end;
-  display: x-self-start;
+  display: self-x-start;
-  display: x-self-end;
+  display: self-x-end;
-  display: span-x-self-start;
+  display: span-self-x-start;
-  display: span-x-self-end;
+  display: span-self-x-end;
   display: span-all;
   display: span-top;
   display: span-bottom;
   display: span-y-start;
   display: span-y-end;
-  display: y-self-start;
+  display: self-y-start;
-  display: y-self-end;
+  display: self-y-end;
-  display: span-y-self-start;
+  display: span-self-y-start;
-  display: span-y-self-end;
+  display: span-self-y-end;
   display: span-block-start;
   display: span-block-end;
   display: self-block-start;
@@ -60,10 +60,15 @@
   display: flip-block;
   display: flip-inline;
   display: flip-start;
+  display: dialog;
   display: anchor(--x 50%);
   display: anchor-size(--foo height);
 }
 
+.anchor-position-2 {
+  display: anchored;
+}
+
 .animations-1 {
   display: auto;
 }
@@ -268,6 +273,12 @@
   }
 }
 
+@supports-condition --thicker-underlines {
+  .conditional-5 {
+    display: auto;
+  }
+}
+
 .contain-1 {
   contain: auto;
   display: layout;
@@ -354,11 +365,10 @@
 }
 
 .cssom-1 {
-  display: auto;
 }
 
 .cssom-view-1 {
-  scroll-behavior: smooth;
+  display: auto;
 }
 
 .device-adapt-1 {
@@ -392,6 +402,10 @@
   display: linear(0, 0.25, 1);
 }
 
+.env-1 {
+  display: env(foo, red, blue);
+}
+
 .exclusions-3 {
   wrap-flow: auto;
   wrap-through: auto;
@@ -840,9 +854,11 @@ mask {
   overflow-inline: auto;
   scrollbar-gutter: auto;
   block-ellipsis: auto;
+  scroll-behavior: auto;
   line-clamp: auto;
   max-lines: auto;
   continue: auto;
+  display: smooth;
 }
 
 .overflow-4::nth-fragment(1) {