A patch is a set of changes to a computer program or its suppor... - dofaq.co
patch (computing)

A patch is a set of changes to a computer program or its suppor...

wikipedia - 15 Nov 2020
A patch is a set of changes to a computer program or its supporting data designed to update, fix, or improve it.[1] This includes fixing security vulnerabilities[1] and other bugs, with such patches usually being called bugfixes or bug fixes.[2][better source needed] Patches are often written to improve the functionality, usability, or performance of a program.

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