Currently, Apple's latest firmware is iOS 13.1.2. If you accidentally update or restore, you'll find yourself on iOS 13.1.2. Developers have been seeded with iOS 13.2.
Those interested in jailbreaking are typically advised to stay on the lowest firmware possible. A recent unpatchable bootrom exploit has been released for the iPhone 4S through iPhone X that could lead to a jailbreak of any firmware version for those devices.
Please follow iClarified on Twitter, Facebook, Google+, or RSS for updates.