VersionTracker notes the release of version 4.1.9 Firmware updates for the Power Mac G4 (AGP graphics), G4 Cube, and iMac (slot-loading models). The update brings improvements to starting up Mac OS X from the local hard disk, FireWire target disk mode, network startup, gigabit networking (on applicable models), and system stability. This update also adds support for password protecting the open firmware. The update is recommended for all users.