Tool Palettes > Paint Edit > Layer operation

Paint Edit > Layer operation

This menu contains the following tools, which are also available from the Canvas Layer Editor:

Canvas image layer
Canvas mask layer
Canvas invisibility mask layer
Canvas layer folder
Duplicate canvas layer
Merge below
Merge visible layers
Merge all image layers

These tools are made available in the Palette so they can be assigned hotkeys to speed up your workflow.

For an explanation of how to create hotkeys, see See Create and edit hotkeys