Following Blizzard Customer Support’s tweet regarding rolling restarts for Diablo 3 realms, the [wiki]Barbarian[/wiki] exploit is no longer possible.
[blue]We will be performing rolling restarts for #D3 beginning tomorrow 7/25 from 5AM PDT until approximately 6:30AM.[source]https://twitter.com/BlizzardCS/statuses/227979599244570624[/source][/blue]
There is still no word regarding any possible Demon Hunter exploits, which leads us to believe the reports regarding their invulnerability were false.