Features

• Persist cache faster when large changes are detected
  • new option cache.idleTimeoutAfterLargeChanges to control that

Bugfixes

• shutdown lazy compilation server correctly

Experiments

• EcmaScript modules support (experiments.outputModule: true)
  • output.library.type: "module": very basic support, no live bindings, unnecessary runtime code
  • output.chunkLoading: "import"
  • output.chunkFormat: "module"
  • externalsType: "module" generates now import * as X from "..." (in a module) or import("...") (in a script)
  • Node.js commonjs externals use import { createRequire } from "module" in a module
  • new Worker etc. sets `type: "module"