iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
iPod Touch Details?
According to the site, the OS X based iPod will share a similar look to the current iPhone, complete with "home" button and a 480x320 pixel screen. Compared to the iPhone, the outer ridge is said to be black, with a slightly thicker case.
A report from earlier today from Appleinsider does expect up to 4 new iPod models to be introduced in September.