On June 12th, the iCommons team upgraded Harvard Wikis from Confluence version 4.1.9 to Confluence 5.1. This jump spans across three major versions in a single upgrade, as it will include features introduced in 4.3, 5.0, and 5.1.
Atlassian, the vendor of Confluence, has provided some documentation and videos regarding the major changes in each version:
Check out this document that shows how Wikis are used around Harvard.
If you have any questions or feedback about the upgrade, please reach out to your local support contact.