The highest tagged major version is v3-unstable.

golang/

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Path	Synopsis
lint Package lint contains a linter for Go source code.	Package lint contains a linter for Go source code.
golint golint lints the Go source files named on its command line.	golint lints the Go source files named on its command line.