Will I be able to upgrade to iOS 7 on iPod Touch 4G?
Towards the end of the WWDC keynote, Craig&nbsp;Federighi showed a slide listing the devices on which iOS&nbsp;7 would be supported. In the official keynote video, this occurs around the 1:54&nbsp;mark.

Here’s a picture of the slide:



It reads:


  iPhone 4 and later
  iPad 2 and later
  iPad mini
  iPod touch (5th generation)


This matches the images and descriptions on the pages for iOS&nbsp;7 for Apple’s website, so this seems to be the canonical list.

It’s possible that Apple will add support for the 4th&nbsp;generation iPod&nbsp;touch between now and the release, but currently it looks like you won’t be able to upgrade.