This is the situation in JavaScript for the last 15 years: new language features come first to compilers like Babel, then to the language spec, and then finally are adopted for stable APIs in conservative NPM packages and in the browser. The process from "it shows up as a compiler plugin" to "it's adopted by some browser API" can often be like 3-4 years; and even after it's available in "evergreen" browsers, you still need to have either polyfills or a few more years of waiting for it to be guaranteed available on older end-user devices.
Developers are quite used to writing small wrappers around web APIs anyways since improvement to them comes very slowly, and a small wrapper is often a lesser evil compared to polyfills; or the browser API is just annoying on the typical use path so of course you want something a little different.
At least, I personally have never seen a new langauge feature that seems useful and thought to myself "wow this is going to be hard to use"
Developers are quite used to writing small wrappers around web APIs anyways since improvement to them comes very slowly, and a small wrapper is often a lesser evil compared to polyfills; or the browser API is just annoying on the typical use path so of course you want something a little different.
At least, I personally have never seen a new langauge feature that seems useful and thought to myself "wow this is going to be hard to use"