It is possible that on some obscure/old/cheap/not popular MCUs, there could be issues.
If you say that it has been broken for more than 2 years.
It’s unfortunate.
commit 0d67d9c45d2dc39f8b4be7d1bb54b94b2698a2b6 (tag: v0.12.0)
Author: Kevin O'Connor <kevin@koconnor.net>
Date: Thu Oct 12 20:54:45 2023 -0400
docs: Note the release of v0.12.0
But it also means that this whole time, no one reported it.
It is hard to guess or debug without this particular MCU in hand.
If you will, you can go down the rabbit hole: Klipper Versioning, Downgrading, and Bisecting
To, well, isolate the change that broke your particular MCU.