The speed of light limit is not a law per se, and is actually based on other laws which have never changed since their discovery. In fact no actual laws of physics have changed since their discovery, but the discovery of new ones are always possible. Hence our understanding of physics may change, but not physics itself. No amount of “imagination” can make something go faster than light, for example, or back in time.
Check out this link:
https://www.nytimes.com/2019/05/08/science/quantum-physics-time.html
The universe is a very very messy place—I call it the “outlaw universe”—just refuses to obey “the rules”.