Go FAQ

The latest stable version of Go is 1.26.0. There are currently 2 actively supported versions and 15 versions that have reached end of life. Visit the Go Version Tracker on ReleaseRun for a complete breakdown of all versions, including release dates, support timelines, and end-of-life dates.

Each Go minor version is supported until two newer minor versions have been released. Since Go releases twice per year, each version gets roughly 12 months of support. For example, when Go 1.24 is released, Go 1.22 reaches end of life.

Yes. Go maintains strong backward compatibility within the Go 1.x series, governed by the Go 1 compatibility promise. Code written for Go 1.0 should still compile with Go 1.26. The go.mod file's go directive sets the minimum version and enables new language features while preserving old behavior for older modules.

Use the latest stable release for new projects. For existing production systems, the second-latest version (N-1) is also safe since Go maintains two versions simultaneously. Update your go.mod go directive to match the version you are targeting. Avoid using unsupported versions as they do not receive security patches.

Download the new version from go.dev/dl or use your package manager (brew upgrade go, apt-get upgrade golang). Update the go directive in go.mod to the new version. Run 'go mod tidy' to clean up dependencies. Run your tests to verify everything works. Go's backward compatibility means most upgrades are straightforward.

Go modules (introduced in Go 1.11, default since Go 1.16) are the modern dependency management system using go.mod and go.sum files. GOPATH was the original workspace-based approach where all Go code lived in a single directory. GOPATH mode is effectively deprecated. All new projects should use modules.

Yes. Generics (type parameters) were introduced in Go 1.18 (March 2022). You can write functions and types that work with multiple types using the [T any] syntax. The standard library has been gradually adopting generics, particularly in the slices, maps, and cmp packages.

Go 1.22 reached end of life on February 11, 2025 and no longer receives security patches or bug fixes. Upgrade to a currently supported version. See the Go Version Tracker for supported versions.