docs(Fx145): -webkit-fill-available value pushed to 146 (#41761)

Author: bsmth

files/en-us/mozilla/firefox/releases/145/index.md

@@ -36,10 +36,6 @@ Firefox 145 is the current [Beta version of Firefox](https://www.firefox.com/en-
 
 - The {{cssxref("text-autospace")}} property is now supported, allowing automatic spacing adjustments between characters from different scripts ([Firefox bug 1981086](https://bugzil.la/1981086), [Firefox bug 1869577](https://bugzil.la/1869577)).
 
-- The legacy [`-webkit-fill-available`](/en-US/docs/Web/CSS/Reference/Webkit_extensions#-webkit-prefixed_property_values) keyword is now supported as a value for the CSS {{cssxref("width")}} and {{cssxref("height")}} properties to improve web compatibility.
-  This keyword is an alias for the recently-standardized `stretch` keyword (i.e., [`width: stretch`](/en-US/docs/Web/CSS/Reference/Properties/width#stretch) and [`height: stretch`](/en-US/docs/Web/CSS/Reference/Properties/height#stretch)), which isn't yet supported in Firefox.
-  ([Firefox bug 1988938](https://bugzil.la/1988938), [Firefox bug 1789477](https://bugzil.la/1789477)).
-
 - The [`math`](/en-US/docs/Web/CSS/Reference/Properties/font-family#math) generic font family is now supported as a value of the `font-family` property, allowing mathematical expressions to use appropriate fonts.
   ([Firefox bug 1788937](https://bugzil.la/1788937)).
 

files/en-us/mozilla/firefox/releases/146/index.md

@@ -32,9 +32,11 @@ Firefox 146 is the current [Nightly version of Firefox](https://www.firefox.com/
 
 <!-- #### Removals -->
 
-<!-- ### CSS -->
+### CSS
 
-<!-- No notable changes. -->
+- The legacy [`-webkit-fill-available`](/en-US/docs/Web/CSS/Reference/Webkit_extensions#-webkit-prefixed_property_values) keyword is now supported as a value for the CSS {{cssxref("width")}} and {{cssxref("height")}} properties to improve web compatibility.
+  This keyword is an alias for the recently-standardized `stretch` keyword (i.e., [`width: stretch`](/en-US/docs/Web/CSS/Reference/Properties/width#stretch) and [`height: stretch`](/en-US/docs/Web/CSS/Reference/Properties/height#stretch)), which isn't yet supported in Firefox.
+  ([Firefox bug 1988938](https://bugzil.la/1988938), [Firefox bug 1789477](https://bugzil.la/1789477)).
 
 <!-- #### Removals -->