The developer is to maintain stability and compatibility of LOS on the OnePlus 7(pro). As they said in previous comments. They can't add new features for the LOS. Please take these suggestions to the LOS project page (or their discord, it's in their website) and not herePlease! add these 3 essential Features In the ROM ASAP
1) 3 Finger Screenshot
2) Fingerprint FIX and
Please add a festure of Disabling Navigations Gestures while Gaming
A humble Request