Apple has recently released the fourth beta for the upcoming iOS 10.3 update to developers. This new update comes just a week after the third beta has been released, and more than two months after iOS 10.2 came out.

Developers who have registered can now download this new beta from the Apple Developer Center. The download can also be done OTA with the proper configuration profile. This new update includes brand new features, including "Find My AirPods" support.

According to 9to5Mac, iOS 10.3 is the first version to include this support. The "Find My AirPods" is in the "Find My iPhone" app. This update also includes Wi-Fi Calling for iCloud-connected devices for Verizon customers, as well as the 32-bit alert that suggests iOS 11 could be 64-bit only.

The new iOS 10.3 beta also introduces an Apple File System which will be installed when an iOS device gets updated to iOS 10.3. This file system is optimized for flash or SSD storage and has improved features like strong encryption. The purpose of this is to address file issues in previous versions.

MacRumors said that there iOS 10.3 will also introduce some App Store changes. Developers will now be allowed to respond to customer reviews for the first time. Additionally, iOS users will now be able to label reviews in the App Store as "Helpful" or "Not Helpful" - a feature which is expected to surface the most relevant review content.

Other features for the new iOS 10.3 beta includes Safari support for Reduced Motion preference, 3D Touch forecast for Weather data in Maps app. Also, CarPlay now has quick access to albums from songs in Music, new Up Next screen and the CarPlay status bar would also have a quick access to media, communication and travel apps for quick switching without having to access the Home screen.