21354

Build 21354

For general Windows information on build 21354 visit the Windows blog.

• Switch the \wsl prefix to \wsl.localhost to avoid issues when there is a machine on the network named "wsl". \wsl$ will continue to work.
• Enable Linux quick access icon for wow processes.
• Update issue where version 2 was always being passed via wslapi RegisterDistribution.
• Change the fmask of the /usr/lib/wsl/lib directory to 222 so files are marked as executable [GH 3847]
• Fix wsl service crash if Virtual Machine Platform is not enabled.

21286

Build 21286

For general Windows information on build 21286 visit the Windows blog.

• Added a boot.command option to /etc/wsl.conf to enable start up commands.
• Introduce wsl.exe --cd command to set current working directory of a command.
• Improve mapping of NTSTATUS to Linux error codes. [GH 6063]
• Improve wsl.exe --mount error reporting.

20190

Build 20190

For general Windows information on build 20190 visit the Windows blog.

• Fix bug preventing WSL1 instances from launching [GH 5633]
• Fix hang when redirecting Windows process output [GH 5648]
• Add %userprofile%\.wslconfig option to control the VM idle timeout (wsl2.vmIdleTimeout=<time_in_ms>)
• Support launching app execution aliases from WSL
• Added support for installing the WSL2 kernel and distributions to wsl.exe --install

20175

Build 20175

For general Windows information on build 20175 visit the Windows blog.

• Adjust default memory assignment of WSL2 VM to be 50% of host memory or 8GB, whichever is less [GH 4166].
• Change \\wsl$ prefix to \\wsl to support URI parsing. The old \\wsl$ path is still supported.
• Enable nested virtualization for WSL2 by default on amd64. You can disable this via %userprofile%\.wslconfig ([wsl2] nestedVirtualization=false).
• Make wsl.exe --update demand start Microsoft Update.
• Support renaming over a read-only file in DrvFs.
• Ensure error messages are always printed in the correct codepage.

20150

Build 20150

For general Windows information on build 20150 visit the Windows blog.

• WSL2 GPU compute see Windows blog for more information.
• Introduce wsl.exe --install command line option to easily set up WSL.
• Introduce wsl.exe --update command line option to manage updates to the WSL2 kernel.
• Set WSL2 as the default.
• Increase WSL2 vm graceful shutdown timeout.
• Fix virtio-9p race condition when mapping device memory.
• Don't run an elevated 9p server if UAC is disabled.

19640

Build 19640

For general Windows information on build 19640 visit the Windows blog.

• [WSL2] Stability improvements for virtio-9p (drvfs).

19555

Build 19555

For general Windows information on build 19555 visit the Windows blog.

• [WSL2] Use a memory cgroup to limit the amount of memory used by install and conversion operations [GH 4669]
• Make wsl.exe present when the Windows Subsystem for Linux optional component is not enabled to improve feature discoverability.
• Change wsl.exe to print help text if the WSL optional component is not installed
• Fix race condition when creating instances
• Create wslclient.dll that contains all command line functionality
• Prevent crash during LxssManagerUser service stop
• Fix wslapi.dll fast fail when distroName parameter is NULL

19041

Build 19041

For general Windows information on build 19041 visit the Windows blog.

• [WSL2] Clear the signal mask before launching the processes
• [WSL2] Update Linux kernel to 4.19.84
• Handle creation of /etc/resolv.conf symlink when the symlink is non-relative

19028

Build 19028

For general Windows information on build 19028 visit the Windows blog.

• [WSL2] Update Linux kernel to 4.19.81
• [WSL2] Change the default permission of /dev/net/tun to 0666 [GH 4629]
• [WSL2] Tweak default amount of memory assigned to Linux VM to be 80% of host memory
• [WSL2] fix interop server to handle requests with a timeout so bad callers cannot hang the server

19018

Build 19018

For general Windows information on build 19018 visit the Windows blog.

• [WSL2] Use cache=mmap as the default for 9p mounts to fix dotnet apps
• [WSL2] Fixes for localhost relay [GH 4340]
• [WSL2] Introduce a cross-distro shared tmpfs mount for sharing state between distros
• Fix restoring persistent network drive for \\wsl$