Barbarians are seeing some large changes in the Diablo 4 PTR and Patch 1.4.0 notes, including nerfs to Charge, Weapon Expertise rebalancing, and general bug fixes.
Diablo 4 PTR Patch Notes: Patch 1.4.0 Barbarian Class Overview
Blizzard
Balance Updates
Miscellaneous
Necromancer, Barbarian, Druid, and Sorcerer Companions now receive 100% of the player’s attributes.