Apple launches the first iOS 13.3 beta developer now available For Download

The first beta versions of iOS 13.3, iPadOS 13.3, watchOS 6.1.1 and tvOS 13.3 are now available. iOS 13.3 Beta 1 to iPhone Developers, Includes Fix for Multitasking Bug

Apple today will release the first beta version of iOS 13.3 for developers. This comes after the release of iOS 13.2 to the public last week. iPadOS 13.3 will also be available today, as will the first beta developer of watchOS 6.1.1.

Ecobee HomeKit thermostat

iOS 13.2 includes the new Deep Fusion camera technology for iPhone 11 and iPhone 11 Pro, new emoji and more. It is still unclear what changes we can expect with the beta version for iOS 13.3 developers today.

Some users have reported problems in iOS 13.2 related to background applications and multitasking. IOS 13.3 is likely to focus on continuous improvement of iOS 13, including bug fixes, performance improvements and more.

iOS & iPadOS 13.3 Beta Release Notes

Update your apps to use new features, and test your apps against API changes.


The iOS & iPadOS 13.3 SDK provides support for developing apps for iPhone, iPad, and iPod touch devices running iOS & iPadOS 13.3. The SDK comes bundled with Xcode 11.2 available from the Mac App Store. For information on the compatibility requirements for Xcode 11.2, see Xcode 11.2 Release Notes.

Networking – New Features

• Certain top-level domains (TLDs) such as .dev and .app are now in the Foundation URLSession and NSURLConnection HTTP Strict Transport Security (HSTS) preload list. An app which uses URLSession to visit a matching URL will always navigate to the URL as https://, and never as cleartext http://. See the HTTP Strict Transport Security (HSTS) Specification for more information about HSTS. (56247242)