The Arbitration Committee neither opened nor closed any cases this week, leaving three open.

• Cold fusion: A case involving conduct disputes around the article Cold fusion.

• Kuban Kazak-Hillock65: A case involving a dispute between Hillock65 and Kuban kazak. A proposed decision currently being voted upon by arbitrators would, if adopted, ban Kuban kazak from editing Wikipedia for one year.

• Piotrus 2: The latest in a series of cases involving alleged edit-warring and other misconduct by numerous editors on articles pertaining to Eastern Europe. The case, which has been open for over two months, involves a large number of users not originally named as parties to the case, but named in a proposed decision drafted by arbitrator Kirill Lokshin. If adopted, the proposed decision would, among other things, ban certain named editors and impose various restrictions on others, while noting that allegations of misconduct on other users were not established by the evidence. Arbitrator voting on several of the remedy proposals is split.