There's some cool stuff in the new version of the Vue devtools. Guillame Chau, member of the Vue core team, made a nice overview of the improvements.

A big update was released to the Vue devtools just a few days ago. Let’s dive into the new features and improvements!

https://medium.com/the-vue-point/whats-new-in-vue-devtools-4-0-9361e75e05d0

The are more cool features on the way as well:

We also have a few things in the works, like a standalone Vue devtools app that will allow debugging any environment (not just Chrome and Firefox), a brand new Routing tab and an improved support for Set and Map types.