Software 
Motion 5: Alpha type analysis of media with an alpha channel may not be determined correctly
When a media file with an alpha channel is imported into Motion, the alpha type of the alpha channel may not be determined correctly.
Aperture 3: Some DNG images display as unsupported
Digital negative (DNG) images from some cameras may be displayed as unsupported when imported into Aperture. This may include images from some cameras whose RAW format is directly supported in Aperture.
GarageBand ’11: Not enough space to complete the download after purchasing from Mac App Store
The first time you open GarageBand '11 after downloading it from the Mac App Store, you may receive an alert that there is not enough space to complete the download.
Aperture 3 unexpectedly quits if Final Cut Express 4 is installed
If Final Cut Express 4 and Aperture 3 are installed on the same computer, Aperture may unexpectedly quit when you open it, particularly if Final Cut Express was installed after Aperture.
Aperture: Use locally mounted Mac OS X Extended volumes for your Aperture library
Aperture libraries stored on non-Mac OS X Extended volumes may behave unpredictably.
Get help using iCloud Bookmarks and Reading List
Learn what to do if you have issues using iCloud Bookmarks or Reading List. For example, if you make changes in your web browser that don’t update on your other devices, this article can help.
Keynote for iCloud release notes
We’re constantly updating Keynote for iCloud beta. Updates are cumulative, so when you launch Keynote on iCloud.com, it has all the latest features. You can see all the features included with each release below.
Encoding H.264 assets for HD DVD projects
If you want to export an H.264 format movie from Final Cut Pro HD or Motion, you must use the “HD DVD H.264″ presets included with Compressor to ensure that the video works with DVD Studio Pro. Do not export … Continue reading
iWork for iCloud beta: About images and Internet Explorer 9
Learn about adding images to your iWork for iCloud beta document when you are using Internet Explorer 9.
Set Safari to always open to the same webpage
Use these settings to automatically display the same page every time Safari opens.
