Mac Mini M1 macOS 11.4 Spanish ISO keyboard layout

Hello.

I got and setup my Mac Mini about 2 years ago (M1 chip, macOS 11.4 Big Sur), but I'm currently using it for learning/developing (I'm a long time Windows PC user). I start to notice an issue with the Spanish ISO keyboard layout where 2 specific keys are not recognized properly, in my case the upper left (º, ª, \) is swapped with the lower left (<, >). so far other keys seem to be OK. Also, the image of the keyboard layout on the setup window is wrong (i.e: the Ç should be between the ' and the enter keys in the middle row, and the enter key should be vertical, not horizontal).

Here is an example of how it should look.

I can't find any info about this specific issue, I wonder if anyone experienced something like this with international layouts.

Thanks.