July 23, 2017
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In software development, a hotfix is similar to a bug fix but differs in that it is
- applied to the system while hot, i.e. currently deployed and running
- commonly not publicly available but instead only released to a small audience of clients who have encountered a given bug in the deployed system
- applied outside of the usual release schedule
As a result of insufficient testing, hotfixes can easily become a source of even further bugs developing, and are thought of as kind of an ’emergency’ measure used when a fix for a client cannot wait until the next scheduled update.
Hotfixes are commonly released in packages called cumulative updates.