Latest upstream release: 4.1
Current version in Fedora Rawhide: 3.7.0
Please consult the package updates policy before you issue an update to a stable branch: https://fedoraproject.org/wiki/Updates_Policy
More information about the service that created this bug can be found at:
It was decided that 4.1 would be something like a preview release with 3.7 being the main thrust of the June 2011 release (aka Indigo). Our plan is to have 4.2 in Fedora 17 (even if we have to ship a release candidate).
Eclipse releases one major version a year and we're well aware of the dates.