According to the description of iOS 13.3.1 beta 1, bugs have been fixed in the firmware and work has been done to increase stability. A similar test build of iOS 13.3.1 for test program participants should be released within a day.
It is expected that the final version of iOS 13.3.1 will be released in 2020, as it will take at least three weeks to test the firmware. However, if Apple considers the changes to iOS 13.3.1 necessary for a more rapid launch, the company may rush to release the firmware before the end of 2019.
If you have installed a new iOS 13.3.1 and want make Jailbreak 13.3.1, you should remember that the new iOS 13.3.1 does not close vulnerabilities. So you can safely jailbreak 13.3.1 and install tweaks on your iPhone.
I remind you that on the web you can find a lot of fake Jailbreak 13.3.1 links, so we specially created a page where you can find official and verified links to download the Jailbreak 13.3.1 utility. You should also remember that the Jailbreak 13.3.1 utility is free. If someone offers you to buy a link to the utility, it means that they are deceivers. All verified links can be found on our special page here.