[css-cascade-5][editorial] Clean up documentation of changes

Author: mirisuzanne

css-cascade-5/Overview.bs

@@ -1834,17 +1834,41 @@ Rolling Back Cascade Layers: the ''revert-layer'' keyword</h4>
 <h2 id="changes">
 Changes</h2>
 
-	Changes since the <a href="https://www.w3.org/TR/2021/WD-css-cascade-5-20210119/">19 January 2021 First Public Working Draft</a> include:
+<h3 id="changes-2021-08">
+Changes since the 8 June 2021 Working Draft</h3>
+
+	Significant changes since the <a href="https://www.w3.org/TR/2021/WD-css-cascade-5-20210608/">8 June 2021 Working Draft</a> include:
+
+	* Reserve the CSS-wide keywords for future use in layer-names.
+		(<a href="https://github.com/w3c/csswg-drafts/issues/6323">Issue 6323</a>)
+	* Clarify that ''@layer'' rules respect global conditional rules,
+		but are always applied to the layer order when declared in non-global conditions
+		such as a container query.
+		(<a href="https://github.com/w3c/csswg-drafts/issues/6407">Issue 6407</a>)
+	* Name-defining at-rules follow layer order for collision resolution,
+		similar to specificity resolution.
+		(<a href="https://github.com/w3c/csswg-drafts/issues/6404">Issue 6404</a>)
+	* Disallow interleaving of ''@layer'' with ''@import'' or ''@namespace'' rules.
+		(<a href="https://github.com/w3c/csswg-drafts/issues/6522">Issue 6522</a>)
+
+<h3 id="changes-2021-06">
+Changes since the 19 March 2021 Working Draft</h3>
+
+	Significant changes since the <a href="https://www.w3.org/TR/2021/WD-css-cascade-5-20210319/">19 March 2021 Working Draft</a> include:
+
+	* Switched the ordering of unlayered styles
+		from highest to lowest priority in the normal origins.
+		(<a href="https://github.com/w3c/csswg-drafts/issues/6284">Issue 6284</a>)
+
+<h3 id="changes-2021-03">
+Changes since the 19 January 2021 Working Draft</h3>
+
+	Significant changes since the <a href="https://www.w3.org/TR/2021/WD-css-cascade-5-20210119/">19 January 2021 First Public Working Draft</a> include:
 
 	* Switched [=layer=] import syntax from using ''@layer'' to using ''@import''.
 		(<a href="https://github.com/w3c/csswg-drafts/issues/5681">Issue 5681</a>)
 	* Added ''revert-layer'' keyword.
 		(<a href="https://github.com/w3c/csswg-drafts/issues/5793">Issue 5793</a>)
-	* Switched the ordering of unlayered styles
-		from highest to lowest priority in the normal origins.
-		(<a href="https://github.com/w3c/csswg-drafts/issues/6284">Issue 6284</a>)
-	* Reserved the CSS-wide keywords for future use in layer-names.
-		(<a href="https://github.com/w3c/csswg-drafts/issues/6323">Issue 6323</a>)
 
 <h3 id="additions-l4">
 Additions Since Level 4</h3>