• Full source maps support for Rollup optimizations (db4b3a8)
• Allow a blank plugin to automatically be excluded from the build, allowing map: { 'custom-loader': '@empty' } at build time to imply the plugin is a runtime plugin (5c59fdb)
• Fix bug with Rollup external aliasing, causing Uncaught Error: Module must be loaded as AMD or CommonJS error (91a4271)
• Automatically treat globalDeps as externals (c3c3e73)