(Be sure to mention when you're using the Zotero beta.)
The plugins need to be updated for the latest beta, but we've pushed a new beta build that temporarily fixes the functioning of the old code, so this should work again once you upgrade (via Help → Check for Updates).
The plugins need to be updated for the latest beta, but we've pushed a new beta build that temporarily fixes the functioning of the old code, so this should work again once you upgrade (via Help → Check for Updates).