Problem with Welcome to JM platform

I unistalled previous JMP, installed alpha3 JMP and updated.

AFTER update, planet is in middle of window, monkey is partialy visible, because its centered on top left corner (or even further away) and after I click monkey, most texts are out screen, so I cannot press quit button.

It does not bether me much (I can open other scene), but it looks bad

It only happens when the SceneViewer is hidden on start, also with the previous welcome screen.