webpack 5.111

Webpack 5.111: ESM output stable, output.copy, CSS targets (14 Sep 2026)

On 14 September 2026 webpack published the 5.111 blog: ES module output is stable (drop experiments.outputModule; keep/set output.module), output.copy copies public/static files into the build, browserslist-aware CSS lowering/color fallbacks expand, performance hint options rename, acorn/neo-async removed as deps, plus hot-update/cache fixes. npm latest as of 5 Oct 2026 research is 5.111.1 (5.111.0 shipped 14 Sep). ShopperCove docs checklist only; no affiliate.