(cont)... I will use those addresses instead, which means no more address reuse and an identical user interface. So consider this beta as a test of the wallet design.
The current working group is putting emphasiz on the optionality of the notification though, allowing it to happen off-band - which is bad for backups but great for privacy.
They main difference is how they notify the receipient so that it knows to look for funds. BIP 47 has a one-time setup before sending, while stealth addresses inform on every send.
... but I expect there to be a handful more months before the first wallets adopt them. It's being spearheaded by copay developer ematiu, so initial code should be..
(cont)... thankfully, there is a working group implementing Peter Todds stealth address specification with a focus on wide support and high scalability. Some code is already in place..
The beta has a single-address mode right now, yes. Once the reusable address specification and code gets deployed in bitore-wallet-client/server... (cont)