The firmware update Ver.2.01 from Ver.2.00 incorporates the following issues:

1. The phenomenon is fixed that AF function doesn’t work well in the tele-photo area with XF18-135mmF3.5-5.6 R LM OIS WR.
2. The phenomenon is fixed that hung-up could happen when carrying out SELECT FROM NETWORK LIST of MANUAL SETUP in PC AUTO SAVE SETTING.
3. The phenomenon is fixed that Flash i40 made by Nissin for FUJIFILM doesn’t fire…..

Source: Firmware for X-Pro2 | Fujifilm Global

Firmware Update Fuji X-Pro2