Apple has released DVD Player 4.6, a new version of it’s DVD software included as part of Mac OS 10.4 Tiger, as noted by MacCentral. Changes in version 4.6 include: additional support for playing DSP 4 authored HD DVD folders from DVD discs and hard drives, additional support of discs with both SD and DSP 4 authored HD content, improved Global Player settings, and improved usage for last play and disc info dialogs. Apple DVD Player 4.6 requires Mac OS X 10.4.