Apple announced yesterday that a new version of OSX (10.4.7) is available and recommended for all users:

To quote the announcement:

It includes fixes for:
- preventing AFP deadlocks and dropped connections
- saving Adobe and Quark documents to AFP mounted volumes
- Bluetooth file transfers, pairing and connecting to a Bluetooth mouse, and syncing to mobile phones
- audio playback in QuickTime, iTunes, Final Cut Pro, and Soundtrack Pro applications
- ensuring icons are spaced correctly when viewed on desktop
- determining the space required to burn folders
- iChat audio and video connectivity, creating chat rooms when using AIM
- importing files into Keynote 3
- PDF workflows when using iCal and iPhoto
- reliable use of Automator actions within workflows
- importing and removing fonts in Font Book
- syncing addresses, bookmarks, calendar events and files to .Mac
- compatibility with third party applications and devices
- previous standalone security updates

SHA1: MacOSXUpd10.4.7Intel.dmg = 2a25ed61d586b71ba7282fb896b2c910785ff358

SHA1: MacOSXUpd10.4.7PPC.dmg= 223d1fc9197a6a96c9d2f2a9110d37abc219c3a6