Apple has released iOS 13.1.2, iPadOS 13.1.2, and watchOS 6.0.1. The first two contain bug fixes and minor improvements.
You can download the first two on your iPhone or iPad by going to Settings > General > Software Update.
watchOS 6.0.1 fixes a glitch in which the Mickey Mouse and Minnie Mouse watch face wouldn’t speak the time, as well a problem where the calendar complication didn’t display events properly. To download the update, go to the Apple Watch app on your iPhone, then tap the My Watch tab. Choose General > Software Update.