The "On Update action" settings that you showed in the screenshot will work only for the Upadate project ( ctrl+f10
). To perform the update, you can press ctrl+f10
or click on the icon (blue circle arrow) in the left toolbar of the lower panel.

In this case, IDEA will work as specified in the settings, and the dialog will not be shown if you disabled the "Show dialog" checkbox.
Please note that IDEA will always show this dialog box when you try to run ( shift+f10
) or Debug ( shift+f9
) for an already running application.
Restarting and redistributing a project can take a long time. But if you just want to update resources or classes (without changing the interfaces), you do not need to restart the project, because the container (Thomcat, Jetty, etc.) can apply these changes on the fly. That is why IDEA offers you these options to save you time and make your work more convenient and efficient.
So, in order not to show the "Update" dialog, you can:
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