98, Me, 2000, and XP. Development of QuickTime 6 for Mac OS slowed considerably in early 2003, after the release of Mac OS X v10.2 in August 2002. QuickTime 6 for Mac OS continued on the 6.0.x path, eventually stopping with version 6.0.3. QuickTime 6.1 & 6.1.1 for Mac OS X v10.1 and Mac OS X v10.2 (released October 22, 2002) and QuickTime 6.1 for Windows (released March 31, 2003) offered ISO-Compliant MPEG-4 file creation and fixed the CAN-2003-0168 vulnerability. Apple released QuickTime 6.2 exclusively for Mac OS X on April 29, 2003 to provide support for iTunes 4, which allowed AAC encoding for songs in the iTunes library. (iTunes was not available for Windows until October 2003.) On June 3, 2003, Apple released QuickTime 6.3, delivering the following: Support for 3GPP, including 3G Text, video, and audio (AAC and AMR codecs). Support for the .3gp, .amr, and .sdv file formats via separate component. QuickTime 6.4, released on October 16, 2003 for Mac OS X v10.2, Mac OS X v10.3, and Windows, added the following: Addition of the Apple Pixlet codec (only for Mac OS X v10.3 and later). ColorSync support. Integrated 3GPP. On December 18, 2003, Apple released QuickTime 6.5, supporting the same systems as version 6.4. Versions 6.5.1 and 6.5.2 followed on April 28, 2004 and October 27, 2004. These versions would be the last to support Windows 98 and Me. The 6.5 family added the following features: 3GPP2 and AMC mobile multimedia formats. QCELP voice code. Apple Lossless (in version 6.5.1). QuickTime 6.5.3 was released on October 12, 2005 for Mac OS X v10.2.8 after the release of QuickTime 7.0, fixing a number of security issues. QuickTime 7.x Initially released on April 29, 2005 in conjunction with Mac OS X v10.4 (for version 10.3.9 and 10.4.x), QuickTime 7.0 featured the following: Improved MPEG-4 compliance. A H.264/MPEG-4 AVC codec (does not support the AVCHD H.264 AVC format from Sony HD camcorders). Support for Core Audio, a set of Application programming interfaces that supports high resolution sound and replaces Sound Manager. Support for using Core Image filters in Mac OS X v10.4 on live video (Not to be confused with Core Video). Support for Quartz Composer (.qtz) animations. Support for distinct decode order and display order. QuickTime Kit Framework (QTKit), a Cocoa framework for QuickTime. After a couple of preview Windows releases, Apple released 7.0.2 as the first stable