> It's pretty well-documented that Safari has been a laggard when it comes to web standards

A few years ago, Safari being behind was a persistent narrative, which started because Safari didn’t support Chrome’s (often) nonstandard features.

These days, any important web features arrive simultaneously on Safari and Chrome (like CSS Grid) or within a month or two of each other… although it took 5 months for Chrome to ship :has in 2022.