The new iOS 13.1 beta weighs about 500 MB. Registered developers can download it now. The release of the iOS 13.1 is expected in the near future. Usually Apple releases the first updates of new operating systems in October. The release of the final version of iOS 13 will take place in September.
If you have only one device, we strongly recommend not to install a new iOS 13 beta and wait for the official version of iOS 13 final.
If you still installed the beta version and want to go back - you can do it by reading our instructions here - how to downgrade iOS 13 to iOS 12.
The changes increased stability. iOS1 3.1 developers have fixed a lot of bugs in iOS 13. Nothing important has been found yet.