How HDF handles with known and fixed bugs in NiFi?

[#1]

HDF3 supports NiFi 1.2, which is pretty outdated.
There have been a lot of improvements added and number of bugs fixed.
Just to name one, which I suffer of is here: https://issues.apache.org/jira/browse/NIFI-4286

Does HDF team apply such fixes to a bundled version of NiFi?
I wanted to look at nifi-standard-processors source code from Hortonworks repo, but unfortunately there is no src code artifact there: http://repo.hortonworks.com/content/repositories/releases/org/apache/nifi/nifi-standard-processors/1...

[#2 · Accepted solution]

HDF releases generally include the latest Apache NiFi release at the time the HDF release is made.

HDF 3.0.x is actually closest to Apache NiFi 1.3.0, even though I know the build number says 1.2.0.

The next version of HDF would likely included Apache NiFi 1.5.0 which was just released, unless another NiFi release was available before then.