alt Hacker NewsA lot of this basically reads to me like hidden tech debt: people aren't updating their compilation targets to ESx, people aren't updating their packages, package authors aren't updating their implementations, etc.
Ancient browser support is a thing, but ES5 has been supported everywhere for like 13 years now (as per https://caniuse.com/es5).
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The root isuue is that the web rewards shipping now and fixing later so old deps and conservative targts linger until stuff breaks.
The newer version is often even more bloated. This whole article just reinforces my opinion of "WTF is wrong with JS developers" in general: a lot of mostly mindless trendchasing and reinventing wheels by making them square. Meanwhile, I look back at what was possible 2 decades ago with very little JS and see just how far things have degraded.
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The desire to keep things compatible with even ES6, let alone ES5 and before, is utterly bizarre to me. Then you see folks who unironically want to maintain compatibility with node 0.4, in 2025, and realize it could be way worse....
Ironically, what often happens is that developers configure Babel to transpile their code to some ancient version, the output is bloated (and slower to execute, since passes like regenerator have a lot of overhead), and then the website doesn't even work on the putatively supported ancient browsers because of the use of recent CSS properties or JS features that can't be polyfilled.
I've even had a case at work where a polyfill caused the program to break. iirc it was a shitty polyfill of the exponentiation operator ** that didn't handle BigInt inputs.