Correctly spell 'developers'.
Clarify some tooltip wordings.
Use a RadioButton control for background selection.
Prevent options dialog components from appearing in front of exit dialog.
Remove theme switching buttons. The theme switching does not exist yet: create a feature branch for this work and add the buttons there. Don't ship buttons that do nothing!
Localise various lobby strings.
Give profile values more descriptive names.
Don't convert a number to a string and back again when setting font size.