If you've got a Vue component that won't update the way you expect it to, this debugging guide will help you to quickly identify and fix the problem. Each section begins with a list of symptoms that you might be experiencing: This might apply to you if. While not exhaustive, using this should help you find the relevant section pretty quickly. Or if you want, you can also read this whole guide from beginning to end. The examples use the original options API instead of the newer composition API where possible.