Ah, I should clarify the readme. What that refers to is plugins that add additional functionality to Bublé, such as compiling features that aren't yet in the sp

Ah, I should clarify the readme. What that refers to is plugins that add additional functionality to Bublé, such as compiling features that aren't yet in the spec (class decorators and so on). Plugins like gulp-buble, which allow other tools to work smoothly with Bublé, are warmly encouraged!