The selectUser hint is used when the greeter is a lock screen - i.e. it is set the the user of the last active session. It's currently left to the greeter to decide which user to select on startup, though we should consider if this should be exposed on liblightdm.
The selectUser hint is used when the greeter is a lock screen - i.e. it is set the the user of the last active session. It's currently left to the greeter to decide which user to select on startup, though we should consider if this should be exposed on liblightdm.