From Pathfinder #159: All or Nothing, which isn't enabled.

Performance Weapon Expert

FEAT 16

Prerequisites Provocator Dedication; expert in any kind of weapon or unarmed attack

Your experience has made you better with a wide variety of weapons. Your proficiency ranks for simple weapons and martial weapons increase to expert, as does your proficiency rank for your chosen advanced weapon.

Pathfinder #159: All or NothingOGL