What is the difference between these firmware versions?

Is there any difference between Python / v0.12.4 \ legacy / v1.10.3 \ core / v2.4.2? Can all be used in trezor Model T?

I’ve answered you here:
https://forum.trezor.io/t/how-to-use-the-microsd-card-of-trezor-model-t/3488/6