I'm guessing you immediately close the What's New Chrome tab when you update?

https://developer.chrome.com/blog/new-in-chrome-148#prompt-a...

https://www.google.com/chrome/ai-innovations/

They have absolutely not been shy about any of this.

I've never had a "What's new" tab ever open because I disable the customized home page where that's displayed. I'm guessing you're not aware that's an option.

Please show me where in either of those documents it explains it's going to download a 4GB model.