I haven't been able to find a thread on this exact issue, but in the past two days I've actually found 2 other Mac-users who have experienced the same issue, one of whom was the actual Apple represen...
I first experienced this same issue after the pre University patch (12.11.19? Although I didn't patch due to the cc related issues until mid dec). It appeared immediately after patching when I loaded an apartment lot, As described by @ajduckie its appeared as a pattern of dots on a custom content wall and television. For me it appears on almost all cc televisions, a few cc computers and some cc wallpapers (I have a lot of cc 60Gb!).
I haven't, so far, encountered the glitch on windows or refrigerators as @ajduckie has. Today when testing I experienced lines appearing (that move when you rotate / move the camera, like the dot pattern) on custom flooring and when I built a room to investigate the same glitch appeared on the maxis default wallpaper! This is a new glitch and only appeared today, or at least I only noticed it today.
Another graphic issue I've ran into (can't remember when I first noticed it as it only effects a few objects) is lines that appear on objects in full sunlight (both inside and outside). Although I don't believe its directly related to the specular map issue.
At first I thought it was because I hadn’t updated my game, so I did so, but the problem continued, I get the dots on walls and also cc tv etc.
Now I haven’t played since I updated to Catalina so I have a feeling it has something to do with combination of game being run on Catalina, as my game was fine before I upgraded from Mojave and it was also fine before updating game with the last patch which I only did yesterday because I thought that lack of letting it update was causing the issue(had origin offline so It couldn’t update). I Have also tried everything, and nothing works...super frustrated as putting me off playing 😔
Quick update. I managed to test this on a 2017 13" MacBook Pro yesterday with Intel Iris Plus Graphics 640 running Mojave. The glitches were not there.
I'm hoping to test on my old Mac with NVIDIA GPU tomorrow so I'll update again.
thanks so much for everyone’s specs and testing! Thanks to all the testing/comparing it looks like it’s a problem for cc-using Mac players running Catalina with AMD GPUs. Has anyone else seen the issue spread to non-CC items like I did? For me, putting the CC televisions or those fridges in my game leads to the effect appearing on all shiny surfaces still, EA included. But as long as I keep those larger CC items out, the effect only appears on a piece of CC here or there. Are you guys playing with the affected CC still in your games or have you removed it?
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