Unplanned Feature
Noun Phrase · Slang & Abbreviations
Definitions
A joking way to describe accidental behavior that users may notice or even like despite not being intentionally built. In engineering slang, the phrase carries both humor and caution.
In plain English: An accidental behavior that acts like a feature even though it was not planned.
Example: "The export formatting bug became an unplanned feature once a few customers started relying on the extra columns for their own scripts."