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+1 I’m currently using it and it surely needs some love
spoiler spoilers spoilers and also some spoilers with spoilers. That’s all I know 
Well based on the stream none of the new sets are dedicated to it, so I am going to go with a big “NO”
Unless Crate is going to be readjusting some old items which sounds like a lot of work but is definitely possible then we might get some “filler items” for the transmuter.
But unless they make a dedicated set for it I don’t think that transmuter will be worth the effort. I’d leave it alone for now if I were you(this is coming from someone who already posted a build around it)