The Hotfix for P3Dv4.5 is out
Please read the news release in the link before downloading to determine if you need the hotfix. https://www.prepar3d.com/latest-news/
X-Plane 12, MSFS 2020, VATSIM-P1, Pilot2ATC, Air Hauler 2(Westwind Air Hauler 2 VA owner), A Pilots Life, Active Sky XP, TDFI PACX, Real World Private Pilot.