Gemma4 12B update

A couple hours ago, the full content of the Gemma4-12B HuggingFace repos; including models weights, have been "updated". I can't find information about what was the reason behind this update, does anyone know what's up with that? Do we need updated quants to fix some issue?

https://huggingface.co/google/gemma-4-12B-it/commit/66bc78a7534d523aa32004652cb02cc2e6354c62