I'm running Lightroom Classic V10 and Mac Catalina 10.15.7 and am unable to tether successfully using lightroom. This has been an issue since before recent upgrades in Catalina and does not appear to have been resolved as was promised with 10.15.3.
Camera is Canon T2i (should be supported according to list of supported cameras) and I am running what appears to be most recent firmware 1.1.0.
I am able to Select Tethered Capture from File Menu and fill in the settings in the dialog box but when I select OK, Lightroom crashes.
I have purchased a new cable and performed all the checks on this thread to no avail: