Hello everyone,
So it seems like ChromiumOS specifically relies on Gentoo packages for updating the noto fonts. However, the name changed at Gentoo's side, so if that is the case no updates might be picked up.
Also, the Noto Fonts github repository changed their way of distribution so even if parts of Google's infrastructure don't use the Gentoo packaging, they might still need to change their source of updates to
https://notofonts.github.io/ and the
notofonts.github.io website github repository instead of the old repository not for the website.
I would love to hear it too if I'm wrong about how these updates are supposed to work, e.g. if there is a release schedule being followed to update these things manually and it just didn't get to that yet.
Best regards,
Joop Kiefte