Untilted is Autechre's eighth album. Warp Records released the album in Europe on 18 April 2005 and in North America on 19 April 2005, while Beat Records released it in Japan on 9 April 2005. The album charted at #199 in the UK.
A phony version of the album was leaked on file sharing networks simultaneously to the actual album's promotional leak. It became so widespread that Sean Booth commented in an interview "The more fakes the merrier, we’ve released fakes ourselves, but not this time."