It’s unclear to me if Julia [1.1] is compiled with USE_GPL_LIBS (the docs only say it’s possible to compile without):
It seems SuiteSparse is the only real GPL dependency left (and even only for GPL for part of it). MbedTLS has non-GPL as an option and all other GPL dependencies have linking exceptions, it seems; so not a problem.
As I don’t need SuiteSparse it would be nice to have an MIT-only (and similar plus Apache-licenced) download option without it for distribution (or at least know either way). Note, you can redistribute Julia either way, you just may have to be careful with redistributing Julia compiled with GPL code with your (or other people’s code) when if it’s proprietary, e.g. disallowed for MKL.jl code.
Note, even with GPL you can link to any proprietary code privately; such as Intel’s MKL.