The Lunar Update is now out, this includes the new map; Luna, and the new vehicle; the Ninja. There are also rewards for doing stunts now, this includes: air time, front flips, back flips, wheelies, and stoppies or nose wheelies or whatever you wanna call them.
Also here is the specs menu for the Ninja if you're curious about it's performance:
Full list of patch notes (the ones I remembered at least):
Added new vehicle: Ninja.
Added new level: Luna.
Added stunt bonuses.
Added new content that I will not be giving spoilers for, it will make sense soon.
Adjusted Leopard's roadwheel suspension angle.
Changed engine related sounds to play from both sides of headphones.
Updated Truce trench hitboxes.
Added custom cursor sprite.