The major version bump indicates there are changes that could break some use cases. There&#x27;s a partial changelog [0] in the v6 release pull request.<p>[0] <a href="https:&#x2F;&#x2F;github.com&#x2F;nodejs&#x2F;node&#x2F;pull&#x2F;6383#issue-151012738" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;nodejs&#x2F;node&#x2F;pull&#x2F;6383#issue-151012738</a>