na-adjective
incremental
Used in technical or business contexts to describe gradual, step-by-step change or improvement. Functions as a na-adjective.
このシステムはインクリメンタルな更新に対応している。
This system supports incremental updates.
開発はインクリメンタルに進められた。
Development was carried out incrementally.
段階的 is a native Japanese na-adjective also meaning 'step-by-step' or 'gradual', but is more general and less technical than インクリメンタル, which is strongly associated with software or process improvement.
Borrowed from English 'incremental'.