As of May 2022:
Home>Protect>Unifi Devices>(select camera)>Settings>Advanced>(toggle which resolution you want)>and then you will get a link such as:
rtsps://192.168.1.1:7441/QxJCVMefFHfBnqrp?enableSrtp
this link will need to be modified in three ways.

1. remove the second s in rtsps
2. change port from 7441 to 7447
3. remove (?enableSrtp)
   rtsp://192.168.1.1:7447/QxJCVMefFHfBnqrp

Open VLC>Media>Open Network Stream>(paste the NEW url in the box)>Play