[krypton]Window mode no options?

Hello,
I installed krypton today and I found that I cannot have a custom window size mode. The only options is Fullscreen and maximized window. I tried to set the window size from advancedsettings.xml, but every time I return from fullscreen it changes to maximized window only. And there is no option to set a windows size from menu. Only in fullscreen I can change resolutions, but not window sizes. Is this improvement?
Is there any way to have the behaviour of previous versions?
Thanks in advance.

EDIT:
I accidentally post it here. I’ve installed it in a linux machine. I thing that is a general issue though. Please move it in a more suitable section. Thanks.