VirtualBox 4.0.0 Beta 3

• Solaris hosts: another fix for installing ExtPacks on Solaris
• Solaris hosts: properly register mime types
• GUI: fixed a crash if maximizing a guest window is not allowed
• GUI: remember recent mounted mediums
• GUI: fixed additions mounting
• GUI: added hint how to get out of the scale mode
• GUI: fixed black fullscreen minitoolbar on KDE4 hosts (bug #5449)
• GUI: allow to update / downgrade / reinstall ExtPacks
• 3D support: fixed incorrect rendering for some d3d8/9 apps
• 3D support: fixed OpenGL support for 32bit apps on 64bit Windows XP SP2
• 3D support: fixed installation on Linux without DKMS
• 3D support: fixed OpenGL support for libMesa 7.9
• VGA: fixed crash when booting VMs with older additions
• OVA: allow individual files greater 8GB
• Storage: performance optimization by not using our own block cache for read-only mediums
• BIOS: implemented multi-sector reading, speeds up booting of certain guests (e.g. Solaris)
• VMM: fixed FreeBSD 8.1 boot hang for unrestricted guest execution with VT-x
• VMM: fixed performance regression for 32-bit SMP guests (VT-x + nested paging)
• VMM: fixed performance regression (VT-x with preemption timer only)
• VMM: improved fix for blocking NMIs triggered by active performance counters (Linux hosts in non-VT-x/AMD-V mode only; bug #7819)
• User Manual: Windows help file (.chm) is searchable again
• Windows Additions: fixed Windows 2000 guests (4.0.0 Beta 1 regression)
• Solaris Additions: fixed guest X11 drivers
• Solaris Additions: fixed unexpected termination of VBoxService
• Linux Additions: fixed xorg.conf patching for older Linux (3.2.12 regression)

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