Features

• add error message when there are conflicting star exports
• track reexports in opimization.providedExports
• display reexports in output.pathinfo
• improve performance
  • chunk graph building
  • optimization.splitChunks
  • hashing
• add more statistics for performance-related issues

Bugfixes

• fix problem with script externals where the url contains @
• improves handling of dynamic modules for reexporting
• build errors are no longer treated as warnings for optional modules