+* Added a new hook, 'RejectParserCacheValue', which allows extensions to
+ reject an otherwise-successful parser cache lookup. The intent is to allow
+ extensions to manage the eviction of archaic HTML output from the cache.
+* (T68699) The expiration of the UserID and Token login cookies
+ ($wgExtendedLoginCookieExpiration) can be configured independently of the
+ expiration of all other cookies ($wgCookieExpiration).