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Wicket.Window.unloadConfirmation has been removed WICKET-5246
In Wicket 6 , Modal settings have been introduced, deprecating the old way of disabling unloadConfirmation. Please consider updating your JavaScript to remove calls to a new setting has been added to ModalWindow - org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow#showUnloadConfirmation(). In Wicket 7 the new Java API should be used instead of dealing with the JavaScript property Wicket.Window.unloadConfirmation.
Dependency updates
All libraries on which Wicket modules depend are updated to their latest stable versions.
The most notable ones are:
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