When filing new Feedback, there's now an option that reads, "Split View/Drag and Drop". It was spotted by @charavel and relayed by @stroughtonsmith .
Drag and Drop was a feature that had been rumored for iOS 11; although, it appears as though it may be limited to functioning across apps in Split View. Click here to read about everything we expect Apple to unveil today.
We'll have all the details in our live blog coverage of the keynote starting at 10am PDT / 1pm EDT. You can also follow iClarified on Twitter, Facebook, Google+, or RSS for updates.