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With Piwik 1.7 there was this new feature to plot more than one metric to a graph.
Though this is a nice feature it is - to me - more less worthless because everytime I reload my piwik dashboard, the added metrics are gone. Saving them would be a major usability improvement.
I reopen and narrow scope, because we could actually fix this ticket for all widgets in the dashboard (similarly to what we do with the "Rows to display").
However recording these metrics for all graphs outside of dashboard is covered in #1915
If you can manage to do #1915 at the same time..... it would Amazing ;-) !!!
selected metrics in dashboard widgets are now stored in layout, too. also implemented some parts simplifying implementation of #3011 and #1915 and a small suggestion of #2461
(In ) refs #2979 - set svn:eol-style on new file