You're going to have to wait a long time ... the problem is would you develop something on a OS that represents 0.5% of your market ? it often doesn't make sens

You're going to have to wait a long time ... the problem is would you develop something on a OS that represents 0.5% of your market ? it often doesn't make sense financially. Things may get better, ironically, since MS seems to be invested in porting its tools and frameworks to Linux, so popular game engines and SDKs might finally be available on the platform.