Stop Installing Libraries: 13 Native APIs That Went Baseline in 2026

TL;DR: The browser caught up while you weren't looking. As of 2026, all 13 of these APIs are Baseline — supported across every major browser — so you can finally delete moment, lodash, axios, uuid, numeral, clipboard.js and more. Running tally at the bottom: ~115 KB gzipped, gone. Copy-paste code for each.

You keep reaching for a package out of muscle memory. But "Baseline" now means these APIs work everywhere that matters — so the dependency you're about to install is dead weight. Here's what you can delete today, with the bundle savings for each.

1. structuredClone() → delete lodash.clonedeep (−5 KB)

JSON.parse(JSON.stringify(x)) silently mangles Date, Map, Set, and undefined. The platform has a real deep clone:

const state = {