Apple's yearly developer conference should see iOS 8, OS X 10.10, and likely some hardware.
HD-DVD vs Blu-Ray Battle Over? Warner Switches to Blu-Ray
Warner Brother's defection, however, places the majority of movie releases on Blu-Ray:
2007 Marketshare graph modified by trevelyn
[graph updated to consolidate bluray/hddvd studios]
Even before this new marketshare advantage, however, the New York Times reports that Blu-ray titles had outsold HD-DVD offerings as much as 2 to 1, and had even been chosen for exclusive distribution by Blockbuster.
Apple has been a member of the Blu-ray consortium's board of directors since 2005, but has not publicly announced their Blu-ray plans. Some expect Apple to officially launch Blu-ray support at Macworld San Francisco.