Please also see Update GNU/Linux Server and Update Submitty.

The release notes below document additional manual steps required with installation of new versions of Submitty. These include editing Submitty configurations, Apache or Nginx configuration, or re-compilation/re-building of automated grading configurations.

Every release includes a summary message that groups all recent code changes (PRs) into major categories for review: Features, Bugfixes, Refactors, Dependencies, etc.
Submitty GitHub Release Notes

See also Developer: Make A Pull Request and Developer: Migrations.