Warhawk patched today
Sony's patching Warhawk to v1.3 today, according to this, a an unspecified time up to 4pm. The update adds some pretty specific gameplay features, such as a "Bio-Field Emitter", which "creates a zone of healing for allies and a zone of damage for enemies", and a "Mechanic Field Wrench that can be used to repair allied vehicles and turrets as well as damage enemy vehicles and turrets".
The servers will be down while it happens.