"In Node.js v6, which will become the active Long Term Support release in October 2016, there were a number of regressions caused by a file system API that were intended to benefit performance, but hurt modules. Node.js v7 is working to fix these issues while remaining performant."
Mikeal Rogers, Node.js community manager
A big change is Canary in the Gold mine, this technology will help maintain Node modules during updates in node versions by pulling down modules from npm and testing them to see if they fail in Node.js updates.
“The key focus for V7 was make sure modules in the ecosystem are keeping up with Node Core”
Rod Vagg, chairperson for the Node.js Technical Steering Committee
This beta release is the first one since the merger between io.js and Node.js, the moment Node reunited all of its resources and people under one roof. There will be several betas before the final and official V7 release, to smooth out any issues that may come up.
Node.js V8 is to be released in the spring, sometime in April 2017.Tweet