The wrdauth plugin will no longer auto-require @webhare-wrd/auth. You'll need to <adddesignrequire require="@webhare-wrd/auth" />. This change only affects module-based webdesigns, site-based designfiles sites are unaffected.
<setmedialibrary should be replaced with <setlibrary name="media"
Website and module development
New Witty modes XML-NI, HTML-NI, and TEXT-NI have been added. These modes remove linefeeds and indentation following text, allowing more compact html files. Switch to this by changing the parameters to LoadWittyLibrary and by adding wittyencoding="HTML-NI" to <webdesign> tags