THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Check and Radio no longer generade a CSS class attribute, encoding their group's markup id. Wicket no longer needs this - if you do, you can easily write a suitable attribute value by yourself.
FileParts must be parsed explicit before trying to read them WICKET-5839
If a MultipartWebRequest is created the FileParts must be parsed explicit with #parseFileParts()
Deprecated classes/methods/fields are removed WICKET-5201
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