Features

• add webpackIgnore magic comment (import(/* webpackIgnore: true */ "...")) to keep the import in the bundle
• add chunkGroups to Stats
  • chunkGroups option
  • namedChunkGroups property
  • Chunk Group text output

Bugfixes

• prevent chunk merging for the runtimeChunk
• fix a caching issue for concatenated modules
• namedModules now handle name conflicts correctly
• fix a crash when using [contenthash:n] without on-demand-chunks

Internal changes

• testing uses Jest now
• testing in node.js 10 too
• Performance improvements