I did some testing here, and I found I can replicate the issue. It is a problem that happens when you run CC3+ on top of an arm-based version of Windows (Which you do, since your new Mac is using one of the new M-chips, which are arm-chips).

Technically, CC3+ cannot run on arm-based computers at all, but Windows (and Macs) comes with a translation layer that allows the software to run, even if it was made for a different processor architecture.

However, there seem to be some kind of glitch that occur in certain situations (those particular symbols for example) that probably is due to this translation layer.

In other words, yes, it is probably something with your setup that causes this, but it is not the CC3+ installation itself that is the problem, and probably nothing you can do about this right now. This is unlikely to be some quick fix.

It's caused by travellermap outputting colors in html code format, something it didn't do when the tool was written.

See this topic (from the linked post and onwards, the posts from this year) for some more information and workaround.

Mappy Birthday!

It's a very nice temple. I don't think I particularly prefer any of the roof or offering options. They all look nice.

My main issue with the map is the grass around it. The scaling makes it look very repetitive. I would consider changing the scale of it a bit, and perhaps try to fill out the areas a bit so you don't get those large unbroken areas of plain grass. That do apply a bit to the paving around the temple area as well, perhaps change the scale so they don't repeat quite as much.

If you use the symbol catalog template, it starts with basically nothing to be able to create clean catalogs.

I've always found it best to just think about what you have good ideas for. A map always ends up best if it starts with a good idea, rather than just start with a random area. So just go through the map in your head, think a little about what you would put there if making a map. Then decide if you have a good enough idea for the larger area or not.