This is the third update to iTunes to be released within the last two weeks. iTunes 11.2, which added enhanced Podcasts support, was released on May 15 and iTunes 11.2.1, which fixed a hidden /Users folder bug introduced with iTunes 11.2 was released the day after.This update fixes a problem where certain podcast episodes may download unexpectedly after upgrading and includes several stability improvements.
iTunes 11.2.2 can be downloaded using the software update tool in the Mac App Store.
Article Link: Apple Releases iTunes 11.2.2 With Podcast Bug Fix