found.../hallé...
..and at wikipedia...backport: To make a feature from a later version of a piece of software available in an earlier version. Backporting of features enables users of the older version to benefit from a feature without upgrading fully.
Then, / O sea que,Backporting is the action of taking a certain software modification (patch) and applying it to an older version of the software than it was initially created for. It is part of the maintenance step in a software development process.
backports=mejoras ?
Thank you! / ¡Gracias!
Alberto