Hey folks! I wanted to let you know I've stumbled over a little glitch with MailHub (v1.14.4) for Mojave (v10.14.5 w/ Mail v12.4). Attempting to search folders, create a mailbox, or execute any other MailHub action seems to crash Mail when the plugin's toolbar is auto-hidden. I've kept it visible till now, so I can't speak to when the bug first appeared; but with the latest MailHub build, I can reproduce it 100% of the time.
I wasn't able to gather much diagnostic information on my own, I'm afraid. There's a screen recording demonstrating the crash live and in living color at https://blep.wtf/9rEGuz; it shows MailHub working normally with the toolbar visible, then a crash when searching, then a crash on "Create Mailbox." It looks like the crashes are affecting macOS's system logs, too, because I could only grab a couple of crash reports. But I dropped them at https://blep.wtf/xVE1Cf and https://blep.wtf/C8NsDs.
If you can tell me where you stash the debug log, I'd be happy to send that along as well. Or, for that matter, anything else that might help you find and squash the bug.
Thanks for all your work on MailHub over the years! It's a favorite of long standing. ✨