(slang) Anything recently introduced into a setting, especially something that replaces an older version.
2005, Rickford Grant, Linux Made Easy: The Official Guide to Xandros 3 for Everyday Users, San Francisco: No Starch Press, →ISBN, page 155:
If you find that you would prefer using the new printer most of the time, while using the original only when needed, you can make the newbie the default printer for your system.
Usage notes
The term "newbie" was greatly popularized with the advent of the Internet, but was in use before then.
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