OneDev 11 enterprise edition is released with statistics and trends for issues, builds, and pull requests matching specified criterias. With valid subscription, these statistics can be accessed either from statistics menu of project, or from various list. Or they can be added to dashboard for quick access.

Shows average time spent in each state of issues over time, and can be used as value stream.
Shows number of issues transited to different states over time
Shows average time spent to merge pull requests over time
Shows number of opened and merged pull requests over time
Shows average pending and running duration of builds over time
Shows number of fired builds over time