The recentchanges-table of the new wikidatawiki-database misses the rc_moved_to_ns-field.
@sql-s3:wikidatawiki> select rc_moved_to_ns from recentchanges limit 1;
ERROR 1054 (42S22): Unknown column 'rc_moved_to_ns' in 'field list'
@sql-s3:arwiki> select rc_moved_to_ns from recentchanges limit 1;
+----------------+
| rc_moved_to_ns |
+----------------+
| 0 |
+----------------+
1 row in set (0.01 sec)
Version: wmf-deployment
Severity: normal