Test, Develop, and Demonstrate Across Multiple Platforms on one Machine

Oracle VM VirtualBox

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Download VirtualBox 6.1.20 Build 143896

  -  103 MB  -  Open Source

What's new in this version:

- 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
- Network: Fixed VxWorks e1000 driver compatibility issue
- Network: Fixed GUI checks for port forwarding rules rejecting IPv6 with "Nat Network"
- DHCP: Don't crash in the presence of fixed address assignments
- Serial: Fixed possible VM hang when using the a serial port in disconnected mode
- Webcam: Fixed interoperability with v4l2loopback and fixed a crash under certain circumstances
- 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

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