Maintenance

Release A release is a version set that passed some defined quality assurance measures and is ready for a customer.

For example, a software product is in version 3.0 for Windows (3.0 WIN). Horizontal arrows represent revisions (3.1 WIN - 3.2 WIN - 3.3 WIN - 3.4 WIN), while diagonal arrows represent variants (1.0 UNIX). A succession of revisions (1.1 UNIX - 1.2 UNIX) can produce a new release (2.0 UNIX).