Github user alopresto commented on the issue:
https://github.com/apache/nifi/pull/2983
I created two templates that should help with testing the new behavior and
ensuring that upgrading a flow that uses the old components doesn't break it.
* [Hash Components
(Legacy)](https://gist.github.com/alopresto/80fcabb78be26a04b894721c4f382300)
* [Hash Components
(New)](https://gist.github.com/alopresto/93ed6907037dce8bf855c9cb4354ea9d)---
