Unreal Engine 4.9 Preview

I’m not sure if we can already do this, but is it possible to stop the launcher from automatically starting every time UE4 is started?
Sometimes I need to close down UE4 and re-compile from VS multiple times which makes it annoying due to the launcher.
I was hoping there’d be a “don’t automatically open until next computer restart” button or something.

Also is there a way to filter wikis by date published? I sometimes see the counter for number of wikis increase, but it’s a mission to determine what was added.