v13

v13 is a version tag used across various domains to denote the thirteenth major release or revision of a product, specification, or document. The "v" stands for version, and the number indicates ordinal progression beyond earlier major releases. In many contexts, v13 signals a significant update that may include new features, improvements, and potential breaking changes relative to prior major versions.

In software development, v13 tags commonly appear in source control repositories and distribution packages to mark a stable release. They may accompany or substitute more granular version numbers such as v13.0.1, depending on the project's versioning policy. A v13 release typically signals new features, API changes, performance improvements, and bug fixes, and may introduce breaking changes relative to earlier major versions.

In hardware, manufacturers may use V13 or v13 to designate a board revision, hardware model, or family variant. In standards and documentation, a revision label such as v13 identifies the edition of a specification, protocol, or compatibility profile.

Versioning practice varies by project. Some teams adopt semantic versioning with major.minor.patch, while others use date-based or purely ordinal labeling; v13 may be chosen for clarity and compatibility signaling. When encountering a v13 tag, users should consult release notes or the accompanying changelog to understand scope, migration requirements, and API or interface changes.

See also: versioning, semantic versioning, major version, release notes, tag (version control).