https://www.x-plane.com/2026/04/behind-the-scenes-12-4-1-systems-with-philipp/ We catch up with Philipp, as we glimpse behind-the-scenes juggling between developing X-Plane, and family life! 44 Procedures, Kid-Tested Sometimes […] The post Behind The Scenes | 12.4.1 Systems with Philipp (https://www.x-plane.com/2026/04/behind-the-scenes-12-4-1-systems-with-philipp/) appeared first on X-Plane (https://www.x-plane.com/).