iOS 13.4 was released last night by Apple for all iPhone, iPad, iPod Touch users, with no news announced exclusively for battery life, but the video clip above should help you get an idea of how who is this affected.
iOS 13.4 also has a comparison of the speed of using the phones made in the video clip above, and based on this information you can decide whether or not it is worth installing the update in your iDevices now.
