I am (re-)playing your game since a couple of days and I saw there is interesting updates. So, good work, I wish you good luck with the next updates. Howether, I am playing in region mode and I have problems with this mode again. I precise that I am playing on a mobile phone.
So I propose to do a group shot with all the technical concerns that I could find (and I allow myself a few suggestions at the same time).
1-Corrupted save and region management :
First of all, I got a corrupt save file again. But at the difference of the last time, it's not during the game, but when I created the region that the problem occurs. This is probably due to a manipulation problem on my part, because having placed the region in the wrong place, I had to press the cancel button to try to abandon my action. However, the problem remains the same. And not only is the (large) region still in the wrong place, but I can no longer access it (see the blue part in the picture).
Suggestion : First of all, I propose to add a validation screen, before creating a new region, which avoids errors, as I did, by choosing for example a large region. Second, I suggest adding the option to delete a region. This allows in particular to delete part of the map, if it is corrupted, but not the rest of the map.
By doing this, there is a problem with resources. Cause delete and recreate a map can lead to infinite resources. You can choose to ignore it (cause the resources in the region mode are almost unlimited). Or we can make it so that recreating a new region on a section that has already served will only allow us to create empty maps.
2-Display bug :
Now, it's just a glitch concerning residential complex. Maybe due to their format (2x1). I precise that I have these configs : check the rendering distance:true (so I guess it's not related to that), render fpc cap:medium, update frequency:rare.
I don't know if it's a bug, but when I am on a region map, the salary requested is that of the region where we are. So with a region with two inhabitants and a region with 1000, if it only takes into account the salary of the first region, it makes a little difference.
Salary management (in political choices) also seems to be managed by region (instead of being global), since the data recorded for one region is not valid for another. This can be defended. Still, I find it strange ...
P.S.: I mixed the two image files in one, cause I had problems attaching two different images.