We had some reports that the GUI does not work when using the latest version of our graphics framework. One workaround is described here: Empty Cryptomator application window when docking-out · Issue #1049 · cryptomator/cryptomator · GitHub (note that the section you need to edit is now called JavaOptions)
If you are able to interact with the tray menu, can you unlock your vault from there?
And finally, to at least acces your data, we also have a command line tool:
If your vault is already migrated (with 1.5.0 we introduced a new vault format), you need to wait a little longer, since the current release cannot open these vaults. But we’ll release an update to the cli very soon!