nextTick vs microtasks

gistfile1.js

setTimeout(function () {
  Promise.resolve().then(function () {
    console.log("Promise");
  });
  
  process.nextTick(function () {
    console.log("nextTick");
  });
}, 1);

// OUTPUT node v0.11.13
//Promise
//nextTick

//OUTPUT node v0.11.15
//nextTick
//Promise