The current pre-release of the client ("pioneer" in the version) is only compatible to itself. So you can only play with other testers. Please be aware!
Usually you can simply copy and paste your keybindings and templates (or any other setting) from your old Game.prefs - Just poke around and make a backup, then you can test it. In the worst case, you can simply restore the backup and try again.
@indexlibrorum It is the primary in windows. I have FAF running in single monitor, windowed mode with the window spanning both monitors and running dual screen inside FAF (not dual monitor). FAF doesn't have a setting to designate right/left as primary.
