today I managed to root 100% of my HTC DESIRE 10 PRO DUAL.
I confirm that you work, tested personally.
I list the procedures in brief to do (for those with a minimum of familiarity)
1. disconnect the bootloader ...... HTCDEV select last item (all other devices)
2. install the recovery mod (TWRP) with adb - PC
3. Make backup nadroid TWRP your phone.
4. Install the Magisk-v17.1.zip file on TWPR ---------DOWNLOAD here
enjoy the 100% FUCTION ROOT