If you tend to stick to using the unified inbox in Apple’s built-in Mail app in iOS, then accessing your draft messages is a bit of a pain. First you have to remember which of your accounts you created the email with, then you have to hunt down the drafts folder for that account.
In iOS 6 beta 3, however, accessing all your drafts is as simple as holding down the new mail button, which takes you to the new page you see above. Isn’t that handy?
Source: Reddit