Pull Request Trends

Metrics for GitHub Pull Requests

The PR Trends page shows you metrics for GitHub Pull Requests over time.

Pull Request Trend Metrics

The following charts are available:

Number of PRs opened
Number of PRs merged
Size of merged PRs
Lifetime of merged PRs
Cycle time of merged PRs
PR Review time breakdown

For a quick introduction to these charts, check out our blog post on Pull Request metrics.

You can group the results by any combination of Repo, Team, User, Label, or Time Period.

See the Metrics Explorer section for how to set search and grouping parameters.

Here’s an example of “PR Merge Count” and overall PR Review Time for each team for the last three months:

Chart of number of Pull Requests merged by each team each month

Chart with breakdown of Pull Request review time, by month

Note that the final section of both charts is shaded. This is because the query was run part way through June, so the final time bucket only has partial data.

What Contributed to this Metric?

You can “drill down” into any of the nodes in a PR Trend chart by clicking on it. This opens a list of the contributing PRs:

See which PRs contributed to a specific metric

You can search, filter, and sort the contributing PRs by repo, author, team, time, etc. You can also export the results to CSV for further analysis.

Download PR Trends Metrics CSV

You can download a CSV file of the complete data for any of the charts, or just for the PRs in a single time period.

Metrics Explorer Pull Request Status