Google has rolled out "Privacy Sandbox," a Chrome feature first announced back in 2019 that, among other things, exchanges third-party cookies—the most common form of tracking technology—for what the company is now calling "Topics." Topics is a response to pushback against Google’s proposed...
Chromium is the open source project, it doesn’t contain any of the Google Chrome specific changes.
Google’s changes for Chrome are a problem. That’s the main topic of this discussion.
To take it further, Chromium being mainly developed and maintained by Google and a ton of browsers basing themselves on that is another problem: Chromium monoculture and why it is a concern.
Chomium isn’t Chrome, but Chrome is Chromium. Just like Vivaldi or Edge aren’t Chrome, they’re Chromium (based). Unless you can show that these tracking features are going into the Open Source Chromium Project, we’re pretty safe. Google has stripped the “good stuff” (account syncing/backup and maybe a few other things I’m unaware of) from Chromium in order to force people to Chrome, at least on Linux.