Features

• add __webpack_is_included__("./some-module") which returns true when the module is bundled and false when not
• priorize eager shared modules over normal shared modules (with the same version), as they are loaded anyway
• add library.type: "assign-properties" which merges all exports into a global variable
• allow optimization.innerGraph for new URL()
  • This allows to detect which URLs are used and drop the module and asset when they are not.

Bugfixes

• only return exports from runtime when needed
  • This allows to use experiments.outputModule: true with optimization.runtimeChunk
• fix a bug that splitChunk.reuseExistingChunk doesn't work for entrypoints
  • This optimized an edge case where a nearly empty entrypoint is created when an entrypoint contains only vendor modules

Developer Experience

• include plugin names in deprecation message for "NormalModuleFactory.xxx is no longer a waterfall hook"
• improve error message when passing an invalid library name