Updated RELEASE_NOTES.

RELEASE_NOTES.md

@@ -6,6 +6,8 @@ New button `Hide`, to hide a post and its children.
 
 You can boost your own posts indefinitely, because Social Media is about repeating yourself until the others care about you.
 
+Fixed bug in the webfinger query (@user@host queries should no longer fail).
+
 ## 2.08
 
 A new page showing the list of people being followed and that follows us has been implemented, with all operations associated (including sending Direct Messages).