The firmware update Ver.1.10 from Ver. 1.00 incorporates the following issues:

Regarding operations of items below 1 „X-E2 New Features Guide“ in this website. X-E2 New Features Guide (PDF: 238KB)

1. New functionality allowing you to edit image file names
   An image file name (DSCF***) is automatically allocated to each picture when shooting, this can now be changed to your file name of choice.* This added functionality is useful when organizing the images after shooting, and sorting the images into groups. * It can be changed to a 4-letter file name when selecting „sRGB“ and a 3-letter file name when selecting „Adobe RGB“ for the color space.
2. Improvement of RAW file conversion function
   When developing RAF images in-camera using the built-in RAW file converter, the firmware upgrade improves the flow by taking you back to the original RAF image once the conversion has been done, whereas before it left you with the converted JPG file on screen and the user had to go back to the next RAF file manually.

See on www.fujifilm.com

Firmware Update Fuji X-E2 Fujifilm