To test the new dialog, change org.openoffice.Setup > Product > ooSetupLastVersion to some lesser value for the WhatsNew dialog or clear the entry for the Welcome version.
Change-Id: Iec6de50edba0e5430e82f1db85e61d1e4501771d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/163739
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Tested-by: Jenkins
Reviewed-by: Heiko Tietze <heiko.tietze@documentfoundation.org>