If you have installed custom plugins or are using a custom Keymap, the Ctrl + Y (or Cmd + Shift + Z ) shortcut might be mapped to a different function.

IntelliJ IDEA is a powerful Integrated Development Environment (IDE) favored by developers for its intelligent coding assistance. Like any robust text editor, it relies heavily on the "Undo" and "Redo" functions to manage code changes.

This feature allows you to revert code to a specific point in time, regardless of the standard Undo/Redo stack.

If you are pressing the shortcut but nothing is happening, consider the following reasons:

: Right-click anywhere in your editor and select Local History > Show History .

IntelliJ doesn't just track character deletions; it maintains a that includes:

If your muscle memory is tied to Ctrl + Y , you can remap the action in the IDE settings: