This is a maintenance release. The following items were fixed and/or added:
Virtualization core: nested AMD virtualization fixes
User interface: fixed copying directories in file manager
User interface: fixed operation progress in file manager when copying content
User interface: fixed operation progress when deleting snapshots
User interface: fixed unattended installation of recent Ubuntu guests
User interface: various additional improvements
Storage: fixed loading saved states for LsiLogic devices (6.0.0 regression; bug fixed in SVN/next ... (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18263)
Storage: fixed fixed reading certain QCOW2 images and support version 3 of the format readonly
Storage: Improved IDE PCI emulation to allow NetWare IDE drivers to use bus-mastering
Graphics: Improved VMSVGA support to work with old X servers which previously showed only a badly scrambled screen
Graphics: fixed invisible mouse cursor with VMSVGA emulation and without mouse integration (bug fixed in releases after 6.0.4 (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18239)
Graphics: make EFI work with VMSVGA emulation (bug#18282)
Graphics: remember last guest screen size VMSVGA emulation
Graphics: fix RDP to guests using VMSVGA emulation
Graphics: various additional VMSVGA emulation fixes
Audio: implemented audio device enumeration for the DirectSound backend
Network: fixed unwanted padding bytes in Windows host adaptor network packets (bug#18202and bug Fixed in SVN (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18355)
Serial: fixed possible crash on Windows when using a host device (6.0.0 regression; bug#18319)
Serial: fixed loopback handling in the emulation causing garbage to be sent during boot with Linux guests (6.0.0 regression; bug#18319)
Shared folders: fixed duplicate folders after restoring a saved state (bug fixed after 6.0.4 (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18373and other)
Drag and drop: fixed copying files from guest host (bug fixed after 6.0.4 (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18305)
Recording: fixed modifying settings via VBoxManage (bug fixed ... (assigned)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18494)
VBoxManage: crash fix (bug fixed in releases after 6.0.4 (reopened)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18341)
Fixed hangs during failed virtual machine start-up
Windows host: fix unwanted wake-ups from standby (bug Fixed in SVN (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18549)
Windows host: disallow Pause as a host key (bug disallowed after (not ... (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18482)
Linux host and guest: support Linux 5.0 and 5.1, thank you Valdis Kletnieks (see also bug fixed after (not in) ... (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18515)
Linux host: support kernel 4.4.169 (bug fixed after ... (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18315)
Linux host: fix logging when building Linux kernel modules (bug Fixed in SVN (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18226)
Linux host: clarified building Linux host drivers with secure boot (bug fixed after (not in) 6.0.4 ... (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18312)
FreeBSD host: compilation fixes
Installers: reduced size of packages
Web services: work with Java 11
LibreSSL compilation fix, thank you Stefan Strogin
Windows guests: fixed running applications which use complex display topologies with WDDM driver, fixed Skype for Business hangs (bug#17092)
Windows guests: fixed an occasional guest crash with WDDM driver and VBoxSVGA adapter (bug fixed after 6.0.4 (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18369)
Windows guests: shared folder file creation detection issue (bug#9276)
Linux guests: shared folder performance and reliability improvements and missing features (bugs#17360, retry with ... (closed: fixed)" style="text-decoration: line-through; color: rgb(0, 0, 192); border-bottom: none;">#819)
OS/2 guests: shared folder fixes (bug#18376and bug Fixed in SVN (new)" style="text-decoration: none; color: rgb(0, 0, 192); border-bottom: none;">#18379)
_https://www.virtualbox.org/wiki/Downloads
_https://download.virtualbox.org/virtualbox/6.0.6/VirtualBox-6.0.6-130049-Win.exe