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Is kJams currently compatible with Catalina?

No. You can not run kJams under macOS Catalina.

Why not?

kJams is currently a 32bit application, and Catalina does not support 32bit apps.

When will kJams be able to run under Catalina?

The hope is "some time in 2020", the optimistic hope is "mid-2020", but beware "the planning fallacy"

How can I run kJams today if I have Catalina?

You can use a Virtual Machine such as Parallels Desktop, or VMWare Fusion update: Fusion does NOT support extended desktop. Then install macOS Mojave (you can get it from the App store, even under Catalina). There is a forum discussion here. You can make a bootable Mojave Installer USB stick using DiskMaker.

Can I downgrade back to macOS 10.14 Mojave?

If you did NOT just get a brand new 2019 MacBook Pro, then YES, in two different ways:

  1. use your time machine backup from before the upgrade
  2. reinstall from scratch using a USB drive

Can I track your progress?

Yes you can!

I have another question

email me