Right-click + Open has to be done twice to work. The anywhere option is hidden by default, use sudo spctl —-master-disable from Terminal instead, which flips G

Right-click + Open has to be done twice to work. The anywhere option is hidden by default, use sudo spctl —-master-disable from Terminal instead, which flips Gatekeeper settings to Anywhere. Edit: there's also this path: https://apple.stackexchange.com/questions/415713/verify-code-signature-of-a-package-installer/415717#415717 https://apple.stackexchange.com/questions/415713/verify-code... which doesn't seem to activate Gatekeeper as part of the install process.