New Snapshot for Catalina
If you're already using Catalina/macOS 10.15, please update to the latest snapshot. It addresses a couple of issues.
Currently there are no known issues. But keep in mind that you cannot simply go back to v5.1.x, because the internal database will be changed the first time you run v5.2.x. So, if your database is valuable to you, please keep a backup!
Here are the two links:
Please report feedback in the forum.