I have been waiting for the compiler optimizations for a long time since the beta version released. Wanna know why the latest version 4.1.5 doesn't have it

I have been waiting for the compiler optimizations for a long time since the beta version released. Wanna know why the latest version 4.1.5 doesn't have it

Just use 4.1.4 Compiler 2 Beta 2 for the time being, it was released at the same time as 4.1.5, both at August 4th.
(It seems like 4.1.5 is missing some other things too, like strict typing checks don't work the same, e.g. it can't detect null guards.)