[beaconstudios]

Are more modern information-theoretic and dynamical models not used for quantum mechanics? They're both relatively recent and extremely innovative mathematical models.

Granted, I'm not mathematically fluent enough to know if they represent a deviation from variational calculus!

[PartiallyTyped]

There is constructor theory

https://www.youtube.com/watch?v=hYc97J2MZIo

[ravi-delia]

They are, and you see them used sometimes (my friend is actually using something like that in her thesis), but for the Grand Theory type stuff it seems like this blog is talking about they aren't as useful. They reduce to the same math as before, and on a fundamental enough level the shortcuts they let you take just aren't useful.