At this very moment the recommendation is to still use a 1080p UI due to additional work still needing to be completed to fully support a 4k UI in an optimal way. Some changes are already in place (some only in the test builds) but there is some adjustment to whitelisting in particular that is in progress. If someone wanted to give a 4k UI a try it would be advised to also setup a manual whitelist as outlined in the following howto…