This article and video popped-up in my news feed last night. Through a major rewrite/revision of the MSFS core architecture, Asobo has been able to massively reduce the sim's impact on CPU and RAM usage. This will be coming with the next free update, "Sim Update 5", releasing on July 27th.

https://www.tweaktown.com/news/80324...Hy4ecyD3IeQTP4