Link: https://www.phoronix.com/news/WSL2-Linux-Kernel-Fence-Sharing

Wouldn't make me still switch back from fedora. But, still a good transition technology maybe to help people slowly shift to Linux

One of the new features of this kernel release is native fence sharing for DXGKRNL, Microsoft's out-of-tree kernel driver used for the DirectX graphics support. The DXGKRNL native fence sharing support is described in this patch as:

"Native fence create/open now use the global vmbus channel with the channel lock held, and return the host global sync object via an explicit out-parameter instead of overloading device_handle, so the guest device handle is preserved for later open. Copy results to user-mode before publishing the handle so a failed copy_to_user cannot leave a handle user-mode can still see. Drop the extra kref_get after hmgrtable_assign_handle to match