"About ProApps QuickTime Codecs (v1.0.1)
This update adds the following video codecs for use by QuickTime-based applications:

• Apple Intermediate Codec
• Apple ProRes
• AVC-Intra
• DVCPRO HD
• HDV
• XDCAM HD / EX / HD422
• MPEG IMX
• Uncompressed 4:2:2

This update is recommended for all users of Final Cut Pro X, Motion 5, or Compressor 4.

System Requirements:
  OS X 10.5.6 or later
  QT 7.6 or later"

I don't own them personally, but this morning's Apple doc updates (below) includes Release Notes for Final Cut Pro X 10.0.1, Motion 5.0.1 and Compressor 4.0.1.
  

• Final Cut Pro X: Version 10.0.1 release notes
• Motion 5: Version 5.0.1 release notes
• Compressor 4: Version 4.0.1 release notes
• Final Cut Pro X, Motion 5, Compressor 4: Graphics card compatibility
• Final Cut Pro X, Motion 5: "Send Email" alert when using Share > Email
• iMac: How to remove or install memory
• OS X Lion: How to use Migration Assistant to transfer files from another Mac
• Apple Remote Desktop 3.3: Installing in OS X Lion
• iOS: Setting up a corporate email server
• iOS: Configuring additional outgoing mail servers
• iPod shuffle (2nd gen): Understanding status light behavior
• Verizon Wireless: How to set up a new Cellular Data account on iPad 2 Wi-Fi + 3G
• Verizon: How to deactivate a Cellular Data account on iPad 2 Wi-Fi + 3G

• LaCie Little Big Disk - portable Thunderbolt drive now shipping
• Promise SANLink, 1st Thunderbolt to Fibre Channel Adapter wins Broadcast Engineering Pick Hit Award
• Choosing the Right Drive Adapter (OWC blog post on their adapters)
• Apple tops in customer satisfaction for 8th year