• go.mod release and testing with Go's toolchain to ensure backwards-compatibility. See https://github.com/go-chi/chi/blob/master/CHANGELOG.md#v150-2020-11-12---now-with-gomod-support for full details. Thank you.
• For existing projects who want to upgrade to the latest go.mod version, run: go get -u github.com/go-chi/chi@v1.5.0, which will get you on the go.mod version line (as Go's mod cache may still remember v4.x).
• Brand new systems can run go get -u github.com/go-chi/chi or go get -u github.com/go-chi/chi@latest to install chi, which will install v1.x+ built with go.mod support.