Before you rush to install the public beta of Catalina, be aware that the Sims 4 does not currently run in this new OS. This is because of the ActivationUI file which is still 32-bit and 32-bit is no longer supported. EA fixed this in the April ’19 patch but unfortunately had to roll it back in the subsequent hot fix patch as it rendered the game unplayable for all users running 10.7 Lion..
If you are desperate to install a beta version of the operating system on your Mac then make sure to install Mojave on an external drive or install a VM so you can still play Sims 4 and 32-bit apps.
On the plus side everyone gets the opportunity to play Island Living. I say opportunity because it looks absolutely delicious in the trailer with high graphics but I shouldn’t imagine low end machines will handle it well:
On the down side, we’re still waiting for our Metal upgrade that EA said would be released in June and, I’m hoping, will provide a noticeable boost in performance for Metal supported Macs:
Please remember, EA dropping support for 32-bit machines in the Sims 4 is irrelevant to all Mac users. The Sims 4 has always been 64-bit for us. This is also NOT related to Apple dropping support for 32-bit apps in macOS 10.15 Catalina.
We knew it was coming and now it’s real:
32-bit apps are dead in 10.15. If you’re thinking about upgrading when the public beta is released in July, or when it is released in the Autumn, you may want to install Mojave or an earlier version of macOS on an external drive beforehand if you want to continue to play the legacy sims games.