CS:GO Client confusion?

[SeeNi]

I was wondering if the "beta" menu and updates have been pushed to the current version and if they haven't is it possible to get the "beta" with the new features and menu somehow?

 

[MiraiGaming]

I was wondering if the "beta" menu and updates have been pushed to the current version and if they haven't is it possible to get the "beta" with the new features and menu somehow?

idk) beta open source. check launcher