Open plugin's from an unidentified developer - New OSX systems

[AustinStudio]

You have problems with plugins in the new systems from Apple !?
Here is the solution:

1. Rescan the plugins with problem from your DAW. This will force OSX to give you this fail message: "... cannot be opened because the developer cannot be verified. macOS cannot verify that this app is free from malware"
2. Go to System Preferences > Security & Privacy > General tab the last line with "was blocked from use because it is not from an identified developer", click Open Anyway
3. Rescan the plugin from the DAW. You will get this message: "macOS cannot verify the developer of... Are you sure you want to open it? By opening this app, you will be overrinding system security which can expose your computer and personal information to malware that may harm your Mac or compromise your privacy"
4. Click Open, that's it

Solution source https://vst.saschart.com/allow_osx.php

[SaschArt]