The rom doesn't bring any weather provider for default widget, you can get them here
https://androidfilehost.com/?w=files&flid=243785
For root, only had success with Magisk, unfortunately Lineage 15.1 root extra doesn't seen to detect root calls on same apps that were called on RR 5.8.5
Besides missing an option for enabling the light for button navigation buttons, this is a full working rom for the phone.