Egit needs to be updated to 0.5.0 to get the new update site and to get the new features.
eclipse-egit-0.5.0-1.fc11 has been submitted as an update for Fedora 11. http://admin.fedoraproject.org/updates/eclipse-egit-0.5.0-1.fc11
eclipse-egit-0.5.0-1.fc11 has been pushed to the Fedora 11 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update eclipse-egit'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F11/FEDORA-2009-7858
eclipse-egit-0.5.0-1.fc11 has been pushed to the Fedora 11 stable repository. If problems still persist, please make note of it in this bug report.