The major version bump indicates there are changes that could break some use cases. There's a partial changelog [0] in the v6 release pull request. [0] https:/

The major version bump indicates there are changes that could break some use cases. There's a partial changelog [0] in the v6 release pull request. [0] https://github.com/nodejs/node/pull/6383#issue-151012738 https://github.com/nodejs/node/pull/6383#issue-151012738