See this thread from @zachleat about Baseline: https://bsky.app/profile/zachleat.com/post/3ljzvytoso22q

Let’s talk about why Baseline browser compatibility doesn’t tell a complete story about whether or not a feature can be used “safely” by developers.

Consider accent-color (Not Baseline) vs. CSS Nesting (Baseline 2023).
Browser compatibility is only a small piece: it’s more important to consider the role it plays and how progressive-enhancement friendly it is.
CSS Nesting requires cross-browser ubiquity. accent-color is much safer!

This has come up a few times already in the past, but looking for an issue tracking this didn't surface anything. So here's one to continue discussing with the WebDX CG.