[css-font-loading-3] Update changes, w3c#7065

Author: Chris Lilley

css-font-loading-3/Overview.bs

@@ -1203,18 +1203,49 @@ API Examples</h2>
 		It doesn't interfere with the {{loadingdone}} event.
 	</div>
 
-
 <h2 class="no-num" id="changes">Changes</h2>
 
 	Changes from the <a href="https://www.w3.org/TR/2014/WD-css-font-loading-3-20140522/">May 2014 CSS Font Loading Last Call Working Draft</a>:
 
-	1. Corrected the async algorithms to use "queue a task" language,
-		to ensure that side-effect timing is well-defined.
-
-	2. Switched {{FontFaceSetLoadEvent/fontfaces}} to be a FrozenArray,
-		to match with proper IDL practice.
+	<ul>
+		<!-- to 3 Apr 2023 -->
+		<li>Added IDL for discovery of font information.</li>
+		<li>Clarified that FontFaceSet.clear() does not clear CSS-connected items.</li>
+		<li>Mentioed document.fonts in the introduction.</li>
+		<li>Font loading applies to shadow roots as well as documents.</li>
+		<li>No longer throw an error if none of the specified fonts exist, because this will not trigger any font loading.</li>
+		<li>Better alignment with WebIDL.</li>
+		<li>Switched to constructor() method syntax.</li>
+		<li>Clarified behavior of the matching font faces algorithm if the string to match is empty.</li>
+		<li>Converted FontFaceSource to a mixin.</li>
+		<li>Legacy term CanvasProxy changed to OffscreenCanvas.</li>
+		<li>Harmonized FontFace with @font-face, adding variationSettings and fontDisplay.</li>
+		<li>Consistently use [Exposed] in the IDL.</li>
+		<li>Prefer CSSOMString to DOMString</li>
+		<li>Better introductory text for check()</li>
+		<li>Clarified that layout operations which depend on recently-loaded fonts must be allowed to complete.</li>
+		<li>Cover more edge cases when firing load events.</li>
+		<li>Prefer async event queueing tasks over synchronous calls</li>
+		<li>fonts.ready is a property, not a function.</li>
+		<li>Differentiated between non-existing fonts, and fonts which exist but lack the required glyphs.</li>
+		<li>Precisely listed order of steps for several methods</li>
+		<li>Clarified handling og global keywords and relative values in the load() and check() functions.</li>
+		<li>Parsing a src argument is the same as parsing a CSS @font-face src descriptor.</li>
+		<li>Clarified that attempting to delete a CSS connected font has no effect, and returns false.</li>
+		<li>Clarified that adding duplicate fonts has no effect.</li>
+		<li>Clarified ordering of manually added FontFace object.</li>
+		<li>Clarified that load events only include faces still present in the set.</li>
+		<li>Added {{FontFace/variationSettings}} and {{FontFace/display}}, to sync with ''@font-face''.</li>
+		<li>Switched {{FontFaceSetLoadEvent/fontfaces}} to be a FrozenArray,
+			to match with proper IDL practice.</li>
+		<li>Fire loading events and handle promises when a loading font is added to a FontFaceSet.</li>
+		<li>Corrected the async algorithms to use "queue a task" language,
+			to ensure that side-effect timing is well-defined.</li>
+		<li>Updated several references to latest versions.</li>
+		<li>Corrections to the IDL.</li>
+		<li>Assorted typos and grammatical errors corrected.</li>
+	</ul>
 
-	3. Added {{FontFace/variationSettings}} and {{FontFace/display}}, to sync with ''@font-face''.
 
 <h2 class=no-num id=acknowledgments>
 Acknowledgments</h2>