@d-healey said in Codesign error on Mac, what am I missing?:
Yes your video helped me out a lot previously setting up my package installer, really appreciate you sharing that.
I still don't know why but I was having one hell of a time trying to set up my certificates and getting it notarized, terminal kept failing me (not acknowledging my ID's specifically). In the end these two videos and their extended links did the trick for me:
Certificates:
https://www.youtube.com/watch?v=m097IHT7v0Q
Notarization:
https://www.youtube.com/watch?v=GpdN97OX1Z8
@Mors the notarization video may help you in stapling if you still haven't solved it.