Patches for performance, added support for WPA2 encryption, system crashes, and various Rosetta-related problems are included. The 10.4.9 update is heavy on networking and modem fixes. Printing issues including excessively large temporary files produced by third-party printers were fixed. Issues with Kensington PilotMouse Mini mice when used with a MacBook after returning from sleep, as well as other wake-from-sleep issues with various other devices have been remedied. Authorization would now be required if the user wishes to change a large amount of data. Mac, various syncing issues have been remedied, and a change was made to the way the service handles updates to the online address books.