[polyrand]

I use an iPhone 8 (more or less the same as the SE 2020) and I don't find this bugs often, but they are definitely there.

Regarding web design, I always set the iPhone 5/SE view as the baseline. I think it's a lot easier to go from there to a bigger device than the other way around. Also, the worst that can happen is that there's some empty spaces on the sides or some card gets wide. However, when you start from a big device and then try to fit the UI to smaller ones it's a lot harder.

Another problem is the rendering engines. I once had to help a friend with a problem that was only happening in my iPhone, but when I used Chrome (in my laptop) with the mobile view it worked ok. I could then reproduce the bug using Safari (in my laptop) with the mobile view active, so I guess it was because of the small size + rendering engine. Those things are also hard to debug and catch.