Today I Learned

Some of the things I've learned every day since Oct 10, 2016

122: Hotfixes

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.

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