Amid the excitement over the new iPhone, Apple also released iTunes 9.2 beta to developers.

The latest version of iTunes brings functionality for the iPhone 4, but is Mac OS X only at the moment.

Here's the list of changes – which include folder sorting of Apps for the new iPhone 4, faster syncing and improvements to scrolling.

  • Sync with iPhone 4 to enjoy your favourite music, movies, TV Shows books and more on-the-go
  • Sync and read books with iPhone or iPod touch with iPhone OS 4 and iBooks 1.1
  • Organize and sync PDF documents as books. Read PDFs with iBooks 1.1 on iPad and any iPhone or iPod touch with iPhone OS 4
  • Organize your apps on your iPhone OS 4 home screens into folders using iTunes
  • Faster back-ups while syncing an iPhone or iPod touch with iPhone OS 4 performance improvements make scrolling much faster.

With the new iPhone 4 given a UK release date of June 24, the new iTunes is expected to arrive on June 21 across both PC and Mac.