Update - There are currently no plans for a character wipe, however keep in mind this can change as the patch is pushed (source)
Diablo III Test Server Maintenance - Beta Patch 14
Beta Patch 14 will hit the test servers today, stay tuned for the changes!
Originally Posted by (Blue Tracker / Official Forums)
The Diablo III test server is currently down so we can deploy Beta Patch 14. Maintenance began at approximately 11:00 a.m. PST, and we expect it to conclude at approximately 7:00 p.m. PST.
Patch 14 to Hold "Cool Stuff"
The CMs have been tweeting about new things being in the beta today, along with Bashioks latest post of "Cool Stuff" being in patch 14.