* …
=== Bug fixes in 1.34 ===
-* …
+* (T222529) If a log entry or page revision is recorded in the database with an
+ empty username, attempting to display it will log an error and return a "no
+ username available" to the user instead of silently displaying nothing or
+ invalid links.
=== Action API changes in 1.34 ===
* The 'recenteditcount' response property from action=query list=allusers,