Features

• Dynamic import map extra support (#2217 @stevenvachon)
• Depcache support in import maps for automated preloading (#2134)
• Auto Import feature for <script src="system-register-module.js"> loading for better load performance (#2216, #2210 @tmsns)

Patches

• Fix onload behaviour with flag for error source (#2204 @smartrejames)
• Fix Object.prototype mutation (#2206 @stevenvachon)