There's support for zoom and rotate gestures on multitouch trackpads for Windows.Printers can be shared across operating systems and virtual machines.The software supports 3D in Metal applications when running a Big Sir virtual machine on Big Sur.The user interface has been tweaked to reflect the appearance of Big Sur.There are a variety of other changes of interest: With many enterprises now running modern Mac and iOS as well as legacy Windows applications, the ability to provision devices in this way should be useful. Parallels has also thought about serving the needs of workplace users in the enterprise edition of the software, which supports corporate VM provisioning. This means IT can easily configure VMs with preinstalled applications to upload and host for employees to securely download and run on their Macs. You also get 10% better battery life when running a VM, and can set your virtual machines to automatically return disk space when they are shut down. It launches twice as fast as before, handles DirectX content at a 20% better speed and delivers 75% better “git status” when running Linux. The move away from kernel extensions in favor of native virtualization code has helped deliver useful performance improvements.

“Parallels invested more than 25-man-years of engineer programming to take full advantage of the new macOS Big Sur architecture and revamped kernel extensions to deliver our best Windows-on-Mac performance ever for our Parallels Desktop 16 customers,” said Nick Dobrovolskiy, Parallels Senior Vice President of Engineering and Support in a statement. As a result of the abandonment of such extensions on the Mac, the company had to dedicate a great deal of energy to replace them with native Mac virtualization code. One major change in Big Sur is the removal of support for third-party kernel extensions (kexts), which is what Parallels relied on for its emulation.

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