Concentrate on Time Machine backups, scripts, secondary updates, and whether you still have to retain access to 32-bit software. Some hints.
virtualisation
It’s got to be better than Catalina, so why not upgrade when it first comes out? Here are some suggestions to help you make your decision.
Do you have VMs or other large files, and use Time Machine for backups? Here’s how to make those backups quicker and more compact.
One solution to running 32-bit apps in Catalina is a VM. Here I assess the performance of Parallels Desktop 15. Is it up to the job?
Coming in just a few weeks now, if you’re going to upgrade early to Catalina, now’s the time to start preparing with these tips.
When you can’t install what the App Store offers: solutions for downloading and installing older versions of macOS for use with Catalina.
How can we continue running a PowerPC-only legacy app?
Friends need a specialist Windows app, but want to run it on a Mac. Is this wise or feasible?
The Eclectic Light Company 