Apple has another beta version of iOS 5 pushed to developers. The latest version includes a number of updates, including enhancements to the service enables icloud with your data on Apple's servers Backup and synchronize music, photos, documents and other files.
The folks at BGR have published the full changelog and for the most part it looks like iOS 5 beta 5 offers bug fixes and improvements in stability, rather than new features. But there are also some known bugs still affect the preview version of iOS 5 and Apple will likely spend some time fixing this before the release of the software to the public.
Just like the previous beta, users can download iOS 5 Beta 5 as over-the-air update over WiFi or 3G. Or you can use your iPhone, iPod touch or iPad to a computer with iTunes to download and install the update to connect. You need an Apple iOS developer account to get the latest beta of Apple's developer portal though.