Hello @Lumatt89,
The fix for the Xbox LOD issue is included in the optional beta build of AAU1 that is available now. We are planning for this build to be released to all players in January. Please see this forum thread if you would like to opt in to the AAU1 beta:
https://forums.flightsimulator.com/t/read-first-welcome-to-the-aau-i-beta/562534
Thanks,
MSFS Team