Yep! We are working with our devs to try and push out an update as quickly as possible. If you are having issues with it, please let us know exactly what the issues are so we can narrow down our search.
I see this has been going for a while. I've just switched over to this VPN provider and had to set up Tunnelblick on both my M1 Macs (laptop & mini). Hopefully this is still being worked on and not just thrown on a backburner somewhere.
We have recently partnered with Passepartout. We will be asking our customers to use their client going forward. Oeck is now built into their app, and their app has lots of great features. Give it a shot and see what you think.