Fujirumors reports that Fuji will release a new firmware udpate this week to fix some of the current X-PRO 2 bugs.
In the meantime Sony released a firmware update for most E-mount cameras to add the new GM lens support:
A7rII at eusupport.sony.com.
A7r at eusupport.sony.com.
A7II at eusupport.sony.com.
A7s at eusupport.sony.com.
A7 at eusupport.sony.com.
A6000 esupport.sony.com.
A5100 esupport.sony.com.