It's hard to find an exact date, but according to this blog post, it looks like ...

		melloc on March 30, 2016 \| parent \| context \| favorite \| on: Ubuntu on Windows It's hard to find an exact date, but according to this blog post, it looks like it was removed in June 2010: http://os-solaris.ru/en/lx-brand-dlya-openindiana-151a/