Unfortunately, swift-build is what Xcode has been using for years now, and has major performance issues: https://forums.swift.org/t/target-dependency-graph-computati...
Perhaps using it in both SPM and Xcode will lead to improvements, but I'm not especially optimistic.
I'm doubting this is a comparable setup for the vast majority of swift users. Is it unfortunate for people who land on this edge case - yes.
My experience shows it's fast and our iOS apps build faster than a feature parity Android app.
Unfortunately, swift-build is what Xcode has been using for years now, and has major performance issues: https://forums.swift.org/t/target-dependency-graph-computati...
Perhaps using it in both SPM and Xcode will lead to improvements, but I'm not especially optimistic.