This is an unofficial beta build of Bit-Booster - Commit Graph, version 2018.09.28
Download it here: https://bit-booster.com/bit-booster-commit-graph-2018.09.28.jar (204 KB)
Or copy & paste this URL directly into Bitbucket's "Manage Add-Ons" --> "Upload Add-On" URL box:
(You can try "https" instead of "http" for the "Manage Add-Ons" URL box, but older versions of Bitbucket do not support my Let's Encrypt certificate.)