Use the latest release of the software for the latest support. Because of the type of software it is, there should not be any stored data about any of your personal information. If there is any issue, you should notify a developer on Discord.
If you notice an issue, and it is minor, and should not cause any immediate harm to anyone, just submit a bug report on the issues tab.
If you notice any sensitive issues, please DM a developer on Discord. You can find them through the support Discord Server: discord.gg/ZvuzfUHVC7