Nope - the new Mini has larger bezels than the prior models, hence the off centre Touch ID
You know that if the bezels were larger, that would result in a larger chassis? Otherwise the screen would be smaller...
Is the chassis any larger? Nope. It’s the
exact same size, to the
point of a mm.
There are only two differences, ever so slightly larger volume buttons and a new microphone position.
This is of course comparing the mini 5 to the mini 4. Any other mini is definitely going to be different.
Old mini 4 cases will fit fine, but you may find it ‘difficult’ to use the volume buttons depending on the case. And the microphone is most likely going to be covered.