Players Can Have Up to 8 Action Bars in the Dragonflight Pre-Patch

Players can select to have up to 8 Action Bars in the Dragonflight pre-patch. The new Edit Mode lets you customize each bar separately.

The overhauled User Interface and Edit Mode will be released with the Dragonflight pre-patch. Under Escape > Options > Action Bars, you can pick to display up to 8 Action Bars. 

Edit Mode lets you customise every Action Bar and snap it to the Grid.