Apple on Tuesday released a 1.5 MB "Bluetooth Firmware Update for Mac OS X 10.4.3." According to a brief set of release notes, the update improves Bluetooth performance and reliability issues. The Bluetooth Firmware Updater supports D-Link USB Adapters and Apple internal Bluetooth modules on the following CPUs: iMac G4 (Gooseneck), 12" Titanium, PowerBook, 15" Titanium PowerBook, iMac G5 and Mac Mini.