Is Sails.js worth learning and using in your projects?

Hello guys,

I am trying to start developing a new project but i don't know if it is best to use Express.js or Sails.js. As it seems Sails.js uses the MVC pattern and has a lot of out of the box features but I have heard it has a bad reputation from performance perspective and bugs. Has anyone here used Sails.js or Express.js and which one do you recommend it for building a small-to-medium project ?