04-21-2021 , 04:07 AM
VirtualBox 6.1.20 Build 143896
Changes in VirtualBox 6.1.20 (2021-04-20):
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Changes in VirtualBox 6.1.20 (2021-04-20):
- VMM: Fixed extremely poor VM performance depending on the timing of various actions (regression in 6.1.0)
- VMM: Fixed guest OS hanging under certain circumstances when Hyper-V is present
- VMM: Fixed Guru Meditation error when using a nested hypervisor under certain circumstances
- VMM: Fixed a SMAP related host panic affecting Solaris 11.4 systems with Intel Haswell CPUs or later
- OCI: Add cloud-init support for export to OCI and for OCI instance creation
- GUI: Fixed “Delete all files” leaving behind Logs/VBoxUI.log
- Audio: Multiple fixes and enhancements
- Audio: Fixed detection of duplex audio devices on macOS (5.0 regression;)
- Network: Fixed link status reporting for “not attached” adapters
- Network: Fixed connectivity issues with e1000 in OS/2 guests (6.1.18 regression; bug #20148)
- Network: Fixed VxWorks e1000 driver compatibility issue (bug #20182)
- Network: Fixed GUI checks for port forwarding rules rejecting IPv6 with “Nat Network” (bug #14847)
- DHCP: Don’t crash in the presence of fixed address assignments (bug #20128)
- Serial: Fixed possible VM hang when using the a serial port in disconnected mode (bug #19854)
- Webcam: Fixed interoperability with v4l2loopback and fixed a crash under certain circumstances (bug #20176)
- NVMe: Fixed sporadic Windows VM hang or reboot on high CPU load
- VBoxManage: Allow changing network adapter attachment of a saved VM with “modifyvm”
- vboximg-mount: Fix for argument processing to honor the ‘–root’ option (6.0 regression; bug #20073)
- Linux host and guest: Support kernel versions 5.11 (bug #20198) and 5.12
- Linux host: Maximum MTU size increased to 16110 for host-only adapters on Linux kernels 4.10+ (bug #19122)
- Linux Guest Additions: Fix vboxvideo module compilation for kernel version 5.10.x
- Linux Guest Additions: Fixed kernel module build for RHEL 8.4 beta and CentOS Stream (bug #20289)
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