Цитата:
What's New:
- OVF/OVA: don't crash on import if no manifest is used (4.2.14 regression; bug #11895)
- GUI: do not restore the current snapshot if we power-off after a Guru Mediation
- Storage: fixed a crash when hotplugging an empty DVD drive to the VM
- Storage: fixed a crash when a guest read from a DVD drive attached to the SATA controller under certain circumstances
- EFI: don't fail with 64-bit guests on 32-bit hosts (bug #11456)
- Autostart: fixed VM startup on OS X
- Windows hosts: native Windows 8 controls
- Windows hosts: restore native style on Vista 32
- Windows hosts / guests: Windows 8.1 adaptions (bug #11899)
- Mac OS X hosts: after removing VirtualBox with VirtualBox_Uninstall.tool, remove it from the pkgutil --pkgs list as well
Пишут, что с 8.1 некоторые ошибки поправили