1.1.14 – Describe strategies for managing releases and updates

There are several ways in which updates can be  made available.

Patches

These are used by software companies to update applications by fixing  known bugs and vulnerabilities. Be aware that, patches may introduce  new bugs as side effects.

Upgrades

These always contain novel functionalities or characteristics, as well cumulative bug fixes. In most cases upgrades need to be bought

Updates

These improve a product in a minor  way by adding new functionalities or fixing known bugs. In most cases updates are free.

Releases

These are final, working versions of software applications. These applications have already gone through alpha and beta software testing. Releases relate to new or upgraded applications.