Hi, sorry to hear that your Taranis is no longer registering since the last MasOS update.
I don't really know what Apple have changed. ... and I'm not a Mac user myself. I would recommend checking on a Mac specific forum (Or, with Apple themselves) to see if others are experiencing the same issue when using a USB joystick/transmitter. Have you checked if you are able to use your transmitter with any other game? It would be interesting to hear if you manage to get it working on your Mac.