Hey,
The new site functionality needed by Wikibase has finally been merged into MediaWiki core and been removed from Wikibase itself. This means that if you update Wikibase to master you will also need to update core to master and vice versa.
The two relevant commits are:
* https://gerrit.wikimedia.org/r/#/c/23528/ * https://gerrit.wikimedia.org/r/#/c/27726/
Cheers
-- Jeroen De Dauw http://www.bn2vs.com Don't panic. Don't be evil. --