@mikemearls Will there be an edition of unearthed arcana classes balanced for multiclassing, or will that wait for an official release?

— Sylvia (@EthelTheCutie) March 11, 2017

Depends on scope of the changes, but usually we verify those changes with focused, NDA'd testers. #wotcstaff https://t.co/Vb3RjktyQC

— Mike Mearls (@mikemearls) March 11, 2017

@mikemearls And how does one become a NDA tester?

— John Appleton (@jaa0109) March 12, 2017

We pull in people from Adventurers League and DMs Guild. #wotcstaff https://t.co/lLIYK05exF

— Mike Mearls (@mikemearls) March 12, 2017

@jaa0109So like what pool of people from DMsGuild? Content creators that demonstrate an understanding of 5E design? #DroppingHintsMike yes, exactly – we work with DTRPG to look at sales numbers and check out what's doing well #wotcstaff

— Mike Mearls (@mikemearls) March 12, 2017