Apple is ready to release the iOS 10 Beta 5 to developers and eager users to test out just a week after Beta 4 came out. This is probably going to be one of the last Beta releases of iOS 10 before Apple releases the "Gold master" build in time for WWDC 2016. Beta 5 will hit current Beta 4 users as an over-the-air update. You can check a detailed PDF (source below) of what's changed and what the still known bugs are. Here's a handy list for those in a rush. Apple ID password login is no longer required following a reboot for App Store purchases New lock sound and enhanced...
Source: http://www.gsmarena.com/apple_ios_10_beta_5_is_available_for_download-news-19872.php