<div dir="ltr">Hi all,<div><br></div><div>We've been upgrading Grafana from release to release and quite a few things have been silently over the past months. Here's a few of them.</div><div><br></div><div>## Version history</div><div><br></div><div>When you save changes to a dashboard, one can enter an edit summary. Please describe your changes :-) You can access the version history from the settings menu (gear icon).</div><div><br></div><div>Example: <a href="https://grafana-admin.wikimedia.org/dashboard/db/save-timing?editview=history">https://grafana-admin.wikimedia.org/dashboard/db/save-timing?editview=history</a></div><div><br></div><div>## Graph panel: Histogram</div><div><br></div><div>Any graph panel can be changed from a time series graph into histogram. <a href="http://docs.grafana.org/features/panels/graph/#x-axis-mode">http://docs.grafana.org/features/panels/graph/#x-axis-mode</a></div><div><br></div><div><div>Example: Bottom row of <a href="https://grafana.wikimedia.org/dashboard/db/save-timing">https://grafana.wikimedia.org/dashboard/db/save-timing</a></div></div><div><br></div><div>## Heatmap panel</div><div><br></div><div>A new heatmap has been added. This is mostly useful for Prometheus backends, because with data from Graphite only 1 data point exists per minute due to aggregation. <a href="http://docs.grafana.org/features/panels/heatmap/">http://docs.grafana.org/features/panels/heatmap/</a></div><div><br></div><div>Example: Bottom row of <a href="https://grafana.wikimedia.org/dashboard/db/save-timing">https://grafana.wikimedia.org/dashboard/db/save-timing</a></div><div><br></div><div>Further reading:</div><div>* <a href="https://wikitech.wikimedia.org/wiki/Grafana.wikimedia.org#Features">https://wikitech.wikimedia.org/wiki/Grafana.wikimedia.org#Features</a></div><div>* <a href="https://grafana.com/blog/2017/09/13/grafana-4.5-released/">https://grafana.com/blog/2017/09/13/grafana-4.5-released/</a></div><div>* <a href="https://grafana.com/blog/2017/07/04/grafana-4.4-release/">https://grafana.com/blog/2017/07/04/grafana-4.4-release/</a><br></div><div>* <a href="https://grafana.com/blog/2016/12/12/grafana-4.0-stable-release/#ux-improvements">https://grafana.com/blog/2016/12/12/grafana-4.0-stable-release/#ux-improvements</a><br></div><div><div>* <a href="http://docs.grafana.org/guides/whats-new-in-v4-5/">http://docs.grafana.org/guides/whats-new-in-v4-5/</a></div></div><div>* <a href="http://docs.grafana.org/guides/whats-new-in-v4-4/">http://docs.grafana.org/guides/whats-new-in-v4-4/</a></div><div><br></div><div>-- Timo</div><div><br></div></div>