[web-animations-1] Update changes since last publication section

Author: birtles

web-animations-1/Overview.bs

@@ -6403,7 +6403,18 @@ The following changes have been made since the <a
   href="https://www.w3.org/TR/2022/WD-web-animations-1-20220908/">8 September
 2022 Working Draft</a>:
 
--   (None as yet)
+-   Updated the procedure to [=set the playback rate=] to main the start time
+    and swap start time position when playback rate is flipped on non-monotonic
+    timelines.
+
+-   Factored out the definition of [=relevant animations=] for use by other specs.
+
+-   Updated the definition of [=current=] animation effects such that they are
+    considered current if they are non-idle and associated with non-increasing
+    timelines.
+
+-   Fixed a code example in the [[#fill-behavior]] section.
+
 
 The <a
   href="https://github.com/w3c/csswg-drafts/commits/main/web-animations-1">changelog</a>