Apple today seeded Xcode Version 5.0.2 to developers, implementing bug fixes for several different issues introduced in version 5.0.1. Version 5.0.2 is listed as a Golden Master build, though there have been no prior betas.
Xcode 5.0.1 can be downloaded from the Mac App Store for free [Direct Link] while 5.0.2 is available for registered developers via Apple's Developer Portal or the software update tool in the Mac App Store.
(Thanks, Ryan!)
Article Link: Apple Seeds Xcode 5.0.2 GM to Developers