 In September 2010, developer Bruno Pagès announced that he was ceasing work on BOUML (other than bug fixes), citing "copyright violations and mismanagement from Wikipedia administrators".The version 4.23 named "ultimate" was distributed in November 2010, after which it was announced that no more updates would be released.However, several patches were released after the announcement, the last being "BOUML 4.23 ultimate patch 7" in October 2011.