Not need update Mac OS. This is not a reason.
But this may be Mac OS security issue.
JD320/330 should work well under Catalina/BigSur/Monteray. Please redownload JD320/330 and reinstall it from:
http://jardesign.org/forum/viewforum.php?id=44
Next, please follow this instruction***:
http://jardesign.org/forum/viewtopic.ph … 793#p31793
*** Or directly this steps:
1. Open MAC OS System Preferences -> Security&Privacy -> Accesibility and check X-Plane already there and X-Plane checkbox is checked.
2. Install aircraft and load aircraft: MAC OS will offer you some choice and every time:
- when you have OPEN option -> click OPEN and next click ALLOW ANYWAY at System Preferences -> Security&Privacy -> General tab
- when you have CANCEL option -> click CANCEL and next click ALLOW ANYWAY at System Preferences -> Security&Privacy -> General tab
3. So, after several clicks aircraft will load. Next use X-Plane menu and select DEVELOPER -> RELOAD AIRCRAFT
4. During second aircraft loading MAC OS will offer you some choice and every time:
- when you have OPEN option -> click OPEN and next click ALLOW ANYWAY at System Preferences -> Security&Privacy -> General tab
5. You will see activation box. Please input your serial key and select activate.
6. Reload aircraft.
If no luck - Seems like it's some sort of special issue. Sure, you can contact me via skype j.a.romanov for direct help - we will check this issue online.
Please read a FAQ before you post a bug
http://support.jardesign.org