As many people have seen our busses are to a high degree compatible with P3D V5, but there are things we are changing because the sim is subtly different in some aspects. For sure we will recompile them with the latest compilers to make use of the better fps. It could be the update will be in stages, first fixing things that do not work and then sorting out less important issues.   Until that time, please understand the product is NOT sold as P3d V5 compatible, officially we do NOT sup