I went with the Sigma 17-40 and I love it!
In a previous post I was undecided between a couple of zooms or an all prime collection, but I went with the Sigma 17-40 and boy oh boy it’s a great lens!
Sharp as a prime at 1.8, lightning fast autofocus and it’s pretty light (not compact, especially with the lens hood) but still much lighter than my R6+15-35 2.8, heck it’s lighter WITH the Samyang 12 f/2 too!
(All of these are at 1.8 with the XT-4, first one is a RAW edited, the other two are JPEGs straight out of camera)