But this time is a little bit different. If you open the 'Install Software' dialog, you will notice that a new category appeared - Juno SR1 Patches:
This patch fixes, among others, the most annoying issue with Eclipse 4.2.1 -
Bug 391868 - very slow switching editors; especially XML.Only this bug made it worth to push a new build into Fedora 18. If you are interested in what else was fixed, look at this bugzilla query.