THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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RadioGroup and RadioChoice use their generic type for the argument of #onSelectionChanged() now.
Wizard no longer supports a default style via CSS WICKET-5349
Wizard's markup is changed from <table> to nested <div>s. The previous "default" styling is no longer supported.
Behavior changes
org.apache.wicket.request.Url#getQueryString WICKET-4664
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