Why did all ranks get new changes to their morphs but the Master Sergeant?

Description

So recently most ranks got new morphs excluding like: Specialist, Corporal, Sergeant, Staff Sergeant, Warrant Officer. I can understand for Cadets and troopers not having any changes but why did Master Sergeant not get any changes to the morph?

Suggestion: Change something to the Master Sergeant morph like you did with the other Sergeant ranks. It’s the only Sergeant rank that stayed the same.
It’s not really a big deal for me but I would like to know thanks for reading.

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I mean…just get promoted to wo.

They added another rank so you half to wait to get to WO.