Hi everyone, After updating to Cursor 3.1, AI changes are applied directly to files automatically—I no longer see the keepFile / UndoFile buttons at the bottom of the chat to review and confirm changes before applying them. Problem Before 3.1: AI showed diff preview + Keep / Undo buttons; I coul…

Hey, this isn’t a bug, it’s a setting. In 3.x, auto-keep was added. If after the update you clicked the Enable auto-keep popup, Inline Diffs gets turned off, and changes get applied without the Keep and Undo buttons. To bring back the review UI: Cursor Settings > Agents > Applying Changes > Inline…

Cursor 3.1: AI applies changes directly, no keepFile/UndoFile buttons—how to enable them?

Support Help

Topic		Replies	Views
Cursor 3.5.17 removed Keep/Undo and applies Agent changes directly Bug Reports review	2	126	May 22, 2026
Why is my "keep" button missing? Bug Reports review	1	195	April 17, 2026
Why cursor3.0 no accept button? Bug Reports review , agents-window	1	209	April 7, 2026
Cursor no longer highlights modified files Bug Reports review	1	107	May 4, 2026
How to disable auto-keep Help review	14	1914	June 1, 2026

Cursor 3.1: AI applies changes directly, no keepFile/UndoFile buttons—how to enable them?

Related topics