Hello. After update to 0.23 the ksp 64 bits+optirun becomes very slow, in the launch pad the time stay in orange, running without optirun or on 32bits mode the performance better but stil the color flickers betwen green and orange. whit the same graphics configuration and same rocket the 0.22 have a way better performance i am using a I7 CPU whit a GeForce GT 630M, drive is ok everting else runs normaly in the optirun.