For tsuru-admin, tsuru and crane release notes, check GitHub release history:
Release notes for the official tsuru releases. Each release note will tell you what’s new in each version.
tsr is the tsuru server daemon.
tsuru is the tsuru client. For details on releases of the client, check the release history in the tsuru-client repository at GitHub.
tsuru-admin is the tsuru administrative client. For details on releases of tsuru-admin, check the release history in the tsuru-admin repository at GitHub.