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Changelog: 

VirtualBox 1.5.4 (released 2007-12-29)

• USB 2.0 support
• PulseAudio backend
• GUI: fixed accelerators in German translation
• GUI: fixed registration dialog crashes
• GUI: allow to enter unicode characters to the name of the registration dialog
• GUI: pre-select attached media in the disk manager when opened from the VM settings dialog
• GUI: remember the last active VM
• GUI: don’t accept empty paths for serial/parallel ports in XML
• GUI: fixed NumLock / CapsLock synchronizazion on Windows hosts
• GUI: don’t start the kernel timer if no VM is active (Linux host)
• VMM: improved compatibility with FreeBSD guests
• VMM: properly restore CR4 after leaving VT-x mode
• VMM: patch code and disassembler updates
• VMM: with VT-x a pending interrupt could be cleared behind our back
• VMM: workaround for missed cpuid patch (some Linux guests refuse to boot on multi-core CPUs)
• VMM: fixed code for overriding CPUID values
• API: don’t crash when trying to create a VM with a duplicate name
• API: don’t crash when trying to access the settings of a VM when some other VMs are not accessible
• API: fixed several memory leaks
• ATA/IDE: fixed SuSE 9.1 CD read installer regression
• Floppy: fixed inverted write protect flag
• USB: virtualize an EHCI controller
• USB: several minor fixes
• Network: fixed MAC address check
• Network: host interface fixes for Solaris guests
• Network: guest networking stopped completely after taking a snapshot
• Network: don’t crash if a network card is enabled but not attached
• PXE: fix for PXE-EC8 error on soft reboot
• NAT: update the DNS server IP address on every DNS packet sent by the guest
• VGA: reset VRAM access handers after a fullscreen update
• VGA: don’t overwrite guest’s VRAM when displaying a blank screen
• ACPI: implemented the sleep button event
• VRDP: fixed crash when querying VRDP properties
• VRDP: netAddress fixes
• VRDP: fixed the Pause/Break keys over VRDP
• VRDP: sync NumLock / CapsLock sync over VRDP
• VRDP: workaround for scrambled icons with a guest video mode of 16bpp
• VRDP: reset modifer keys on RDP_INPUT_SYNCHRONIZE
• VRDP: reset RDP updates after resize to prevent obsolete updates
• Clipboard: Windows host/guest fixes
• Clipboard: fixed a SEGFAULT on VM exit (Linux host)
• Clipboard: fixed a buffer overflow (Linux host)
• Shared Folders: fixed memory leaks
• Linux installer: remove the old kernel module before compiling a new one
• Linux host: compatibility fixes with Linux 2.6.24
• Linux host: script fixes for ArchLinux
• Linux host: load correct HAL library to determine DVD/floppy (libhal.so.1 not libhal.so)
• Linux host: make sure the tun kernel module is loaded before initializing static TAP interfaces
• Windows additions: fixed hang during HGCM communication
• Windows additions: fixed delay when shutting down the guest
• Linux additions: added sendfile support to allow HTTP servers to send files on shared folders
• Linux additions: make additions work with Fedora 8 (SELinux policy added)
• Linux additions: sometimes ARGB pointers were display incorrectly
• Linux additions: several small script fixes