Github user JPercivall commented on the issue:
https://github.com/apache/nifi/pull/698
As part of NIFI-1800, when viewing the config for a process group it should
have the UUID at the top. This way at the very least I can tell which
controller services belong to this ProcessGroup without trying to remember the
exact UUID (no tab in that panel shows that information).
Also it may be best to have the name in that column instead of UUID.
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