It became known what changes will be in iOS 14

IOS 12.2 mentions four new iPad and new iPod touch

iOS 14: convert handwriting to typing

IOS 14 concept with new icons, Split View mode, etc.

What devices will support iOS 14

Download and install iOS 13 (public release) for iPhone [IPSW links]

Apple released iOS 11 Public Beta 3 for public testing

Download iOS 10.3 for iPhone, iPad and iPod touch

iOS 10.3 beta 1 will be released with the new “Theater” mode

Serious issues detected in iOS 13.2