[mattwad]

What are you talking about WRT Koa? Express 4 does not support async/await natively in its middleware. That means if your async method throws an error, you need to catch it and return it yourself or else it will just crash the app. That's one reason why I currently use Koa. Express 5 finally supports async/await and it is only now being officially released.

[cypress66]

You can fix async await with express by just installing a package.

[mbork_pl]

Which package?