On October 1, 2019, Grafana 6.4.0 was released.
What’s New in Grafana v6.4
Release notes and changelog
Currently, we are still running Grafana 5 on our machines. Please let us know if we should prioritize upgrading to the most recent release. Thanks!
The most notable features/changes from my perspective are:
DataLinks
We’ve touched this topic already.
This is from the Grafana workbench.
Data model overhaul