WordPress.org announced the availability of the first release candidate for version 3.4 yesterday on their website. what this means is WordPress is sending out this version for the public to try out and test before offically releasing the ” finished product” that will be version 3.4. They are confident in this release being close to if not the final release, having closed more than 500 tickets on this version alone.
if you want to try ouyt the new version you can try the WordPress Beta Tester plugin. Just click on the link for “bleeding edge nightlies”. Or you can download the release candidate here (zip). As well if you think you have come across any bugs you can post them to the Alpha/Beta Forum. Any known issues will this release will be listed here.