I’m downloading the 23 GB update, but from the update description there isn’t much major improvement. Maybe I don’t know what is major, but I expected more like jet contrails or things like that…
Please use this topic for World Update 3 UK:
https://forums.flightsimulator.com/t/discussion-world-update-iii-united-kingdom/366131/36
Release notes are here for World Update 3 UK:
https://forums.flightsimulator.com/t/release-release-notes-1-13-16-0-world-update-iii-united-kingdom-now-available/365854/2