Try to fix an issue on Ubuntu/Unity for some dialogs which are not displayed. For most, adding GetSizer()->Fit( this ) in dialog constructor fix the issue, but at least one dialog still is not displayed.
Try to fix issues on Ubuntu/Unity for dialogs which are not displayed: adding GetSizer()->Fit( this ) in some other dialogs
More fixes on Ubuntu/Unity for dialogs which are not displayed.
Try to fix an issue on Ubuntu/Unity for some dialogs which are not displayed. Adding GetSizer()->Fit( this ) after last dialog "geometry" change (size for instance) or Raise() if the window is not a dialog fix it.
Partial fix. There are few cases where the frame is still not displayed.
Looks like a Unity issue, not a Kicad issue.