[css-fonts-4][editorial] Update changes

Author: svgeesus

css-fonts-4/Overview.bs

@@ -8298,6 +8298,23 @@ Changes
 <h3 id="changes-2021-12-21">Changes from the <a href="https://www.w3.org/TR/2021/WD-css-fonts-4-20211221/">21 December 2021 Working Draft</a> </h3>
 
 <ul>
+	<!-- to 7 Mar 2023 -->
+	<li>Added URL request modifiers for crossorigin, referrerpolicy & integrity</li>
+	<li>Aligned the incremental tech keywords to match the latest Incremental Font Transfer specification</li>
+	<li>Use last-defined value for font-feature-values</li>
+	<li>font-feature-values and font-feature-settings are now de-duplicated, and sorted</li>
+	<li>Suggested user agents prompt users to make certain user-installed fonts available, or unavailable</li>
+	<li>Improved the Privacy Considerations, balancing privacy and legibility trade-offs for user-installed fonts</li>
+	<li>Clarified the font shorthand, using the terms set explicitly, reset implicitly and cascade implicitly</li>
+	<li>Clarified shorter representation for zero ranged descriptors</li>
+	<li>Tightened definition of first available font</li>
+	<li>Added emoji as a keyword to unicode‑range</li>
+	<li>Allowed implementations to ignore requests to turn off font features which the OpenType specification says are always required</li>
+	<li>Gave clearer advice to authors about font-feature-settings and font-variation-settings </li>
+	<li>Readability improvements to the grammar for font-variant sub-properties</li>
+	<li>Corrections to some examples so they again match the specification</li>
+	<li>Clarified what it means to ignore an anvalid font-family descriptor </li>
+	<li>Allowed the font-family descriptor of @font-palette-values to take a list</li>
 	<li>Added Web Platform Tests coverage</li>
 	<li>'font-palette' and '@font-palette-values' no longer at risk</li>
 	<li>Allowed limited set of string-form format specifies, for Web compatibility</li>
@@ -8313,6 +8330,7 @@ Changes
 	<li>Use last declaration of key/palette index in override-colors
 	<li>Removed currentColor from override-colors example
 	<li>Clarified that out of range palette indexes are ignored
+	<li>Assorted typo corrections and markup fixes</li>
 </ul>
 
 <h3 id="changes-2021-07-29">Changes from the <a href="https://www.w3.org/TR/2021/WD-css-fonts-4-20210729/">29 July 2021 Working Draft</a> </h3>