Deprecation

Discouragement of use of a technology, feature, design, or practice / From Wikipedia, the free encyclopedia

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In several fields, especially computing, deprecation is the discouragement of use of some terminology, feature, design, or practice, typically because it has been superseded or is no longer considered efficient or safe, without completely removing it or prohibiting its use. Typically, deprecated materials are not completely removed to ensure legacy compatibility or back up practice in case new methods are not functional in an odd scenario.

It can also imply that a feature, design, or practice will be removed or discontinued entirely in the future.[1]