I would like stop users from upgrading to 10.15.4 due to these warning messages coming up for legacy system extensions. Currently users are admins on there laptops and we don't have a separate Software Update Server. What's the best way for to do this and give them access back again once software providers have updated their software.
Solved
Blocking Users from 10.15.4
Best answer by chrisbarbieri
I found it, it reads
sudo softwareupdate --ignore "macOS Catalina 10.15.4 Update"
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