In a video recently shared on YouTube, Asobo Studio co-founder Sébastien Wloch said they have rewritten parts of the game engine to squeeze out even more performance and used his own personal computer to highlight the gains.
https://www.techspot.com/news/90271-microsoft-flight-simulator-game-engine-gets-reworked-optimize.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/90271-microsoft-flight-simulator-game-engine-gets-reworked-optimize.html?utm_source=dlvr.it&utm_medium=blogger