[css-cascade-3] Changes for Proposed Rec publishing

Author: svgeesus

css-cascade-3/Overview.bs

@@ -4,11 +4,13 @@ Shortname: css-cascade
 Level: 3
 Status: ED
 Work Status: Testing
+Implementation Report: https://drafts.csswg.org/css-cascade-3/implementation-report.html
 Group: csswg
 ED: https://drafts.csswg.org/css-cascade-3/
 TR: https://www.w3.org/TR/css-cascade-3/
 Editor: Elika J. Etemad / fantasai, Invited Expert, http://fantasai.inkedblade.net/contact, w3cid 35400
 Editor: Tab Atkins Jr., Google, http://xanthir.com/contact/, w3cid 42199
+Previous Version: https://www.w3.org/TR/2020/CR-css-cascade-3-20200817/
 Previous Version: https://www.w3.org/TR/2018/CR-css-cascade-3-20180828/
 Previous Version: https://www.w3.org/TR/2016/CR-css-cascade-3-20160519/
 Previous Version: https://www.w3.org/TR/2015/CR-css-cascade-3-20150416/
@@ -1005,8 +1007,8 @@ Erasing All Declarations: the ''unset'' keyword</h4>
 <h2 id="changes">
 Changes</h2>
 
-<h3 id="changes-2016">
-Changes Since the 19 May 2016 Candidate Recommendation</h3>
+<h3 id="changes-2018">
+Changes Since the 28 August 2018 Candidate Recommendation</h3>
 
 	The following changes were made to this specification since the
 	<a href="https://www.w3.org/TR/2018/CR-css-cascade-3-20180828/">28 August 2018 Candidate Recommendation</a>:
@@ -1018,6 +1020,9 @@ Changes Since the 19 May 2016 Candidate Recommendation</h3>
 			Clarify that [=computed values=] are not serialization strings, but abstract data.
 	</ul>
 
+	<h3 id="changes-2016">
+		Changes Since the 19 May 2016 Candidate Recommendation</h3>
+
 	The following non-trivial changes were made to this specification since the
 	<a href="https://www.w3.org/TR/2016/CR-css-cascade-3-20160519/">19 May 2016 Candidate Recommendation</a>: