The Nim programming language has released version 1.0, marking a stable base for the language. This release includes many changes, bug fixes, and language additions, with a focus on efficiency, readability, and flexibility. The Nim team guarantees backwards compatibility for the stable fragment of the language, with the 1.0.x branch receiving bug fixes and new features that do not break compatibility. The release also includes the latest version of Nimble, the package manager for Nim.