The firmware update Ver.2.01 from Ver. 2.00 incorporates the following issue
1.Adding the compatibility with “XF18-55mmF2.8-4 R”.
*You will get the full performance with the new zoom lens “XF18-55mmF2.8-4 R”.
*Size of the bright frame displayed on OVF can be magnified in relation to zooming motion of XF18-55mm lens.
2.The phenomena below will be fixed.
(1)When using the focus checking function with “3-time” magnification in manual focus mode, you could find a few dots (black or color) only in live view image on EVF/LCD.
(Please be sure even with the firmware version 2.00, these unwanted dots are not recorded in the image data.)
(2)The auto focus accuracy with XF60mm Lens could not be enough.
(3)When using the M- Mount Adapter, under exposure could occur.
1.To enable those features, please confirm the firmware version of your Fujinon XF lenses (XF18mmF2 R / XF35mmF1.4 R / XF60mmF2.4 R Macro) is Ver 2.01.
2.The firmware version of XF18-55mmF2.8-4 R LM OIS is shown as Ver 1.00, and no firmware update is required.（as of Nov/2012）
3.Please confirm the firmware version of X-Pro1 is Ver 2.00 or later, when firmware update of these XF lenses are required.
See on fujifilm.com