Features

• handle cache version automatically for DefinePlugin
  • Values no longer need to be defined as build dependencies
• add more options for DefinePlugin.runtimeValue (file/context/missing/buildDependencies, version)

Bugfixes

• fix a memory leak which happens in watch mode with caching when modules are removed from the compilation
• fix usage of some arrow functions when es5 target is selected
• chunk loading in workers now uses publicPath instead of relative paths
  • fixes a problem when worker file is in a child directory