The plugin is bundled since TeamCity 2018.2. The recent version is described in the online documentation for the latest TeamCity version.
Extends branch specification by including pull request branches with a possibility of filtering by target branches and contributor roles.
Once the plugin is installed, add the GitHub Pull Requests build feature to your build configuration. The existing branch specifications of the VCS root must not include pull request branches for the build feature to work correctly.
Currently the plugin supports GitHub.com and GitHub Enterprise only.
Compatible with TeamCity 2018.1+
Issues in TeamCity issue tracker.