A second public beta of iOS 9 has started rolling out to those who are running the first iteration. The the first iOS 9 public beta arrived earlier this month, on July 9.
The new iOS 9 public beta brings back the Home Sharing for option that allows sharing your iTunes Library over a Wi-Fi network with other mobile devices. The Handoff feature in the app switcher has moved to the bottom of the screen.
Volume buttons can now be used to take photos. Support for the new iPod touch has also been added.
Apple iPad users can multitask using the Picture-in-Picture option. Several bug fixes and improvement tweaks are bundled along as well.
Do note that the public beta is a work-in-progress and not a finished build, so unexpected behavior and bugs are likely to appear. If you still wish to try out the second iOS 9 public beta, head over to the source link and sign up using your Apple ID.