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Releasing Calendar-Versioned Software

Project: Twisted

Calendar-versioned software (or “calver”), in contrast to semantically versioned software (or “semver”), is released on regular intervals, rather than on the occurrence of features, bug fixes, or backwards compatibility breaking changes. This method of releasing software, notably used by Twisted and various related projects, eschews the “major.minor.patchlevel” format and the guarantees of a semver regime and instead focuses on providing robust backwards compatibility, clear deprecation cycles, and frequent but smaller releases. This talk discusses some of the trials and tribulations of the release process of such a project, Twisted, and the ways that it makes it work, as well as what tools are available to make the process easier if you wish to implement it yourself.

Amber Brown

Amber Brown pretends to be an owl on the internet. When she's not doing that, she does release management and is a core developer for the Twisted project. Perth-born, country-raised, absolutely terrible at ping-pong.