Mi 10 (umi) and TWRP 3.5.0
Some things to point out with the new TWRP, which may appear different to what you may be used to, eg. in the 1206 or 0623.
The front page loads almost immediately and there is a wait of well over a minute before your can input your pattern.
Try and put your pattern in as soon as the page changes, otherwise you may have a long wait. (I fell asleep this afternoon waiting to input my pattern!)
If you are used to clearing the Dalvik and cache under Wipe / Advanced Wipe, be careful to tick the correct boxes. The 'Cache' box has moved up to below 'Dalvik'.
As has already been pointed out, you click (with your finger) on the spot you want to click on, not a few mm below it.
The order of the check boxes under Backup has changed.
I cannot think of any other important changes.
I think there are a few other minor differences, like the Reboot selection is now a list, not buttons.