In the event, along with the new iPhone 11, iPhone 11 Pro and max launched, Apple has released the gold master seed of iOS 13 with a build number 17A577 to developers ahead of its public release on September 19.
iOS 13 comes with lots of bug fixes and improvements along with the new features like Dark Mode in Control Center Toggle, Folder Transparency in Homescreen, Hide Link Previews in Safari, Three Finger Tap for undo, redo, cut, copy and paste and more.
Along with that iOS 13 introduces new features like Dark Mode, new browsing and editing tools for Photos, Sign in With Apple, enhancements to Maps, updates to Reminders, Notes, Messages, Siri, CarPlay, Files, and much more.
Developers can download the new build from here.