Minions are back on the table for Necromancers in the upcoming Diablo 4 PTR and Patch 1.4.0, with huge incoming buffs and various bugfixes being implemented.
Diablo 4 PTR Patch Notes: Patch 1.4.0 Necromancer Class Overview
Blizzard
Balance Updates
Miscellaneous
Necromancer, Barbarian, Druid, and Sorcerer Companions now receive 100% of the player’s attributes.
Skill tags have been updated everywhere to allow more Aspects and other effects to affect more skills and abilities.