Fujifilm has announced forthcoming firmware updates for its X-Pro1, X-E2 and X-E1 mirrorless interchangeable lens cameras, and for the X100S fixed-lens large sensor compact. Features promised include customizable Auto ISO, exposure preview in manual exposure mode, improved workflow for in-camera Raw conversion, and the ability to edit filenames in-camera. The update for the X-Pro1 will be available on 5th December; those for the X-E1, X-E2 and X100S on 19th December. Click through for full details.