Look here: https://stackoverflow.com/questions/70610403/swiftui-add-refreshable-to-lazyvstack

xcode-select --print-path You may need to change this to your Xcode installation if you separately installed the command line tools and that is the issue: xcode-select -switch /Applications/Xcode.app Try also building with clang++ instead of clang. This was causing a linking issue for me.