Solved
Recent Game Update Issues (Graphic to Speed) - Need Assistance ASAP
I updated the Sims 4 with the most recent update as of Jul 26, 6:25 pm EST. I use iOS/Mac and have the High School and Get Famous expansion packs. Here are the current issues I am dealing with: 1)...
For the performance issues please provide more information about your Mac. Instructions on how to do so and what to provide here - http://answers.ea.com/t5/The-Sims-Mac/READ-FIRST-Sims-4-Mac-Help-Guides-and-Troubleshooting/m-p/4612396/highlight/true#M162 FYI Macs run macOS, not iOS.
If you're trying to save the game in CAS you can't and have never been able to. You have to move the household onto a Lot and then save.
For this:
"5) can't save game - the exit/close button doesn't work so I would have to shut down my Mac by force."
You should be using Force Quit on the game. Forcing your Mac to power off can damage it long term and is not necessary when you can use Force Quit https://support.apple.com/en-gb/102586
