noun
obsolescent; deprecated; scheduled for removal
Used in computing contexts for features, APIs, or software that are still available but planned for future removal. Often seen in documentation or version notes.
このAPIは廃止予定なので、新しいバージョンに移行してください。
This API is deprecated, so please migrate to the new version.
廃止予定の機能は、次のアップデートで削除されます。
The deprecated feature will be removed in the next update.
Compound of 廃止 (abolition, discontinuation) and 予定 (plan, schedule). The term is a modern technical coinage, likely influenced by English 'deprecated' in software documentation.