Hi Yinglun,
Thanks for your interest in Syncfusion products.
Regarding beta version for Volume3 release, As we are not providing patch files through forum, we have opened a new incident with incident id 68767, could you follow up with this incident.
Online link for this Incident:
http://www.syncfusion.com/support/directtrac/detailsupdate/68767 Please let us know if there are any concerns.
Regards,
Jegan