Ubuntu 22.04.5: Popup not showing

[SimeonRolev]

menubar@9.5.1

Tried the examples/hello-world. The icon in the tray shows, but nothing pops up on click.

[RobbieTheWagner]

@SimeonRolev I got things working on Ubuntu. It seems you have to double click the icon, but then the window is not properly tethered to the icon.