In starting to write a blog post on how to block and delay the latest macOS release, I realised that the subject of delaying updates via Managed Software Updates was probably worthy of its own post.
This its that post, see below the break for details.
At the recent London Apple Admins, I mentioned that with macOS Catalina setting a custom Software Update catalog URL is now noted as deprecated.
This took some folks by surprise, despite setting a custom Software Update catalog URL.
Below is more details on this deprecation.