Features

• add output.library.type: "commonjs-static" to emit a statically analyse-able commonjs module (for node.js esm interop support)
• add experiments.css (very experimental)
  • see https://github.com/webpack/webpack/issues/14893

Bugfixes

• fix CORS headers for experiments.lazyCompilation
• fix [absolute-resource-path] for SourceMap module naming
• avoid stack overflow when accessing many memory cached cache values in series

Performance

• reduce default watchOptions.aggregateTimeout to 20ms