un into a missing feature that&#x27;s not discussed in our issue tracker yet, then please <a href="https://github.com/strongloop/loopback-next/issues/new" target="_blank" rel="noopener noreferrer">open a new issue</a> to let us know! </p><p>Hopefully, you will find a way how to implement all major requirements in your PoC application and can thus build your project on LB4. </p><p>If some of your requirements cannot be feasibly implemented in LB4, then you have two options:</p><ol><li><p>You can work with th