HDP version 2.6.5 - why we have diff kafka versions? on the same HDP 2.6.5 Kit

[#1]

hi all

from the doc - https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.5/bk_release-notes/content/comp_versions.html

we have kafka version - 1.0.0

from the doc - https://docs.hortonworks.com/HDPDocuments/HDPforCloud/HDPforCloud-2.6.5/hdp-release-notes/content/hd...

we have kafka version - 1.1.0

WHY? this happens on the same HDP version ??

whats are the benefits of 1.1.0 on 1.0.0 ??