WSL

• Add a pipeline step to validate localization changes. This will prevent crashes for non-English locales when translation errors occur (solves #9796)
• Cleanup the winrt factory cache before calling CoUninitialize() to prevent crashes.
• Flush disk before detaching it from the guest.
• Introduce wslrelay.exe which replaces wslhost.exe for some operations.
• Move declaration of service helpers next to where they are invoked (solves #9781).

• Implement custom kernel support for ARM64 (solves #4802)
• Implement user warnings
• Revert wsl2.pageReportingOrder to default (2MB). This change was causing freezes on older Windows builds that are missing a bugfix. This will be re-enabled once the fix has been backported.
• Terminate distro when WslConfigureDistribution changes default UID or flags
• Do not mount cgroup v1 for WSL2
• Ensure that the hostname is set in the root namespace
• Use current timestamp instead of UNIX zero for initramfs (solves #9638)
• Use a string insert for --release-notes do it doesn't get accidentally localized
• Update Microsoft.WSLg to version 1.0.50
  • WSLg: update Mariner to 2.0.20230107
  • WSLg: samples/container: Add vGPU video acceleration docker sample
  • rdp backend/rdp shell: sync window state with RDP client
  • rdp backend/rdp shell: send window minmax info when window become visible
  • rdp shell: fix window unsnap by keyboard shortcut and mouse drag
  • rdp backend: East Asian keyboard fixes
  • rdp shell: publish flatpak applications to start menu

• Fix localhost relay issues introduced in 1.1.0 (solves #9508)
• Add a "Update Available" toast to WSL
• Ensure the /init bind mount is readonly
• Set thread names in WSL init deamon
• Mask SIGCHILD before forking
• Correct wslpath's output when '.' is passed (solves #9606)
• Fix debug shell on arm64
• Update Microsoft.Windows.ImplementationLibrary to version 1.0.230202.1
• Set default page reporting order to single-page
• Cleanup the hostname so it always matches systemd-hostnamed (solves #9391)
• Update Microsoft.WSL.Kernel to version 5.15.90.1
• Fix incorrect parsing of /proc/<pid>/stat when the process name has spaces
• Restore signal handlers in mini_init before executing init

• Increase the limit of open files in the Windows -> Linux 9p server
• Fix various issues in the localhost relay (almost solves #9508)
• Fix issue where GPU drivers share would not be present both mount namespaces.
• Don't create a console window if a console app is executed from wslg.exe (solves #9551)
• Use parent process' interop server if the one passed by WSL_INTEROP does not ecist
• Add logic to open an existing vhd if the swap VHD can't be created (solves #9395)
• Fix various issues in the drvfs initialization logic
• Fix product name, file version and product version on the package executables (solves #9536)
• Update Microsoft.WSLg to version 1.0.49:
  • WSLGd: allow customize log file path
  • rdp fontend/backend/shell: keep compositor sleep until window is created
  • rdp shell: allow optional applist folder by .wslgconfig
  • rdp shell: allow alt+F4 to close app
  • libweston-desktop: xwayland window is not visible upon commit until mouse is moved
  • build: use Ubuntu 20.04 for build verification

• Use an overlayfs when the distro VHD is mounted read-only so the distribution can start (Improves situations like #8711)

• Fix incorrect translation of command line arguments

• Introduce wsl.exe --debug-shell

• Use additional groups in the plan9 server (solves #9282)

• Don't start distribution applications in a new terminal

• Support mount flags in wsl.exe --mount (solves #9299)

• Create dev/shm via bind mount (solves #8996)

• Read the mountname registry value from the correct key when restoring disk mounts (solves #9379)

• Update Microsoft.WSL.Kernel to version 5.15.83.1

  • Update to stable kernel version v5.15.83
  • enable CONFIG_TIME_NS enabled on x86 and arm64
  • disable CONFIG_DEFERRED_STRUCT_PAGE_INIT on arm64

• Add 'unix:' prefix to pulse audio env variable

• Attempt to always reuse the same IP address in the WSL NAT network

• Make the first distro the implicit default (solves #9266)

• Delete the BasePath if wsl --import fails

• Update Microsoft.WSLg to version 1.0.48

  • WSLGd: launch RDP client with 'init' explicitly. This fixes the issue msrdc.exe is not launched at Windows's side.
  • xwayland: revert max frame flag fix which no longer needed (as upstream fix is backported)
  • xwm: Fix selection if no seat present at startup
  • rdp-backend: fix weston crash at RDP client disconnect

• Move the --pre-release entry in the help message under --update

• Make the localhost relay ignore conflicting binds.

• Fix race condition in the service's lifetime management

• Prevent the creation of new user sessions when the service is stopping

• Use seccomp in localhost relay

• Update to stable kernel version v5.15.79.1
• Only mount drvfs drives that are readable
• Add new systemd unit to re-create the /tmp/.X11-unix if it's been deleted (Fixes #9126)
• Remove failure path if nested virtualization is not supported (Fixes #9196)
• Add a --pre-release option to wsl.exe --update

• Fix a potential hang in wslservice.exe when launching a new session
• Make the /tmp/.X11-unix bind mount point read-only to prevent the socket from being deleted
• Don't fail to start if cgroup mounts fail [GH 8981]
• Add E_FAIL and E_UNEXPECTED to common error strings

• Removed the "Preview" label - WSL in the Store is now generally available!
• Use an override in generator.early to prevent the /tmp/.X11-unix socket from being removed during boot
• Don't create a pty for systemd to fix issue where systemd would time out during boot

• Fix various issues with plan9 logging
• Do not print any status updates when exporting to stdout
• Ensure /tmp/.X11-unix is not cleared by systemd [GH 9038]
• Add HCS_E_CONNECTION_TIMEOUT to g_commonErrors
• Add --enable-debug when building musl for better stacks
• Retry block device operations on ENXIO
• Fix race condition in the plan9 server causing ECONNREFUSED
• Add SharedAccess host firewall rule
• Update Microsoft.WSLg to version 1.0.47
  • WSLGd: fix relaunch weston with env
  • WSLG: update mariner to 2.0 official release
  • WSLGd: independently monitor child process for font monitor
  • WSLGd: add timestamp to log
  • WSLGd: redirect FreeRDP log to a file
  • WSLGd: Raise the NOFILE limit
  • WSLGd: misc updates (allow to load X cursor from user distro and etc.)
  • WSLGd: Include missing array header
  • system-distro: fix build error at mesa after mariner update
  • rdp shell: workaround get_position crash
  • rdp shell: fix missing va_end() call
  • rdp shell: make wslpath optional for obtaining windows path
  • rdp-backend: fix overactive assert
    Update Kernel to version 5.15.74.2
  • Update to stable kernel version v5.15.74
  • Enable the limit option (CONFIG_NETFILTER_XT_MATCH_LIMIT) for iptables
  • Include fix for hvsocket read() hang

• Fix race condition in the plan9 server causing ECONNREFUSED
• Addresses an issue where DNS requests to resolve names from a WSL2 container would fail when using the default configured NAT DNS Server

• Work around deadlock in WSL init daemon due to bug in musl libc [GH 8824]
• Fix regression where /etc/wsl.conf interop.enabled setting was not respected [GH 8932]

• Ensure that stdout / stderr relays are created for wslg.exe
• Update Windows SDK to 22621 (Windows 11 22H2)
• Update Microsoft.WSLg to version 1.0.45
  • WSLGd: allow alternate rdp file via .wslgconfig
  • Weston: rdp shell: fix window placement issues
  • Weston: rdp shell: register snap applications on start menu
  • Weston: rdp shell: use predefined constant for g_key_file api
  • Weston: rdp shell: add icon file search retry
  • Weston: xwm: Check size hints in weston_wm_window_is_positioned()
• Update MSRDC to version 1.2.3575

• Defer admin / non-admin mount namespace creation until systemd has started.
  • Before this change if you launched your distro as Administrator, then ran wslg as non-admin, snap packages such as Spotify would not work.
• Remove unneeded kernel command line parameters for systemd
• Update Kernel to version 5.15.68.1

• Fix a handful of issues around the new systemd implementation:
  • Adjust location check for systemd [GH 8852]
  • Fix an issue where WSLg would not work for some distributions
  • Allow launching Windows executables from processes launched via /etc/wsl.conf boot.systemd or boot.command
  • Disable systemd support if /sbin/init cannot be executed
• Implement logic to notify the user when a WSL package update is available

• Add official support for systemd! For more information, see our blog post here: https://aka.ms/wslsystemd
• Fix issue where X11 display might be running on the wrong channel
• Add retry around network endpoint creation to avoid temporary issues.
• Fix potential ERROR_FILE_NOT_FOUND errors when creating directories.
• Add a specialized error message if the distro VHDX can't be mounted
• Implement wsl.exe --update --web-download to allow updates directly from GitHub
• Update Microsoft.WSLg to version 1.0.44
  • WSLg: Update WSLDVCPlugin to create shortcuts to packaged wslg.exe
  • WSLg: Update WSLGd to use the msrdc execution alias
  • WSLg: enable x server fonts installed at user distro
  • Weston: rdp backend: fix applist is not working regression
  • Weston: rdp shell: applist: verify file and directory explicitly
  • Weston: rdp shell: locate icon for taskbar using window class name
  • Weston: rdp shell: fix missing free
  • Weston: rdp shell: preblend default icon image with default overlay image
  • rdp shell: default window pos must be adjusted by window geometry
  • xwayland: fix window maximizing
  • xwayland: fix maximized window decoration
• Update Microsoft.WSL.Kernel to version 5.15.62.1
  • Update to stable kernel version v5.15.62
  • Re-enable the CONFIG_CEPH* flags
  • Enable EROFS configs
  • configs/wsl topic branch picked up (not currently in use)
  • dxgkrnl driver branch refreshed with many fixes and upstream feedback revisions
  • Hyper-V vPCI merge conflicts fixed for newer stable kernel releases
  • Out-of-tree Hyper-V vPCI regression fix merged while waiting for upstream inclusion

• Add wsl2.safeMode option to %userprofile%\.wslconfig
  This change introduces the concept of "Safe Mode" to WSL which disables many features and is intended to be used to recover distributions that are in bad states.

    [wsl2]
    safeMode=true

• Update wsl.exe to not create stdin / stdout / stderr relay threads if the std handle is not present
• Do not set window title in wsl.exe [GH 8701]
• Update Microsoft.WSLg to version 1.0.42
  • WSLg: archive wslg-notify debuginfo
  • rdp: upstream coding style changes
  • rdp: Multihead refactor
  • xwayland: Fix some xwayland focus bugs
  • xwayland: fix default override window position back to (0,0).
  • xwm: Don't send synthetic ConfigureNotify to windows that were mapped O-R
• Update MSRDC to version 1.2.3401
• Update Microsoft.Direct3D.Linux to 1.606.4

• Temporarily revert localhost enhancements while investigating a regression [GH 8679]
• Add more error messages to improved error model

• Improvements to localhost relay to have better performance and accurately report bind failures.
• Use /dev/ptp0 to keep guest chock in sync with the host
• Improve the error message if the distro list can't be fetched and wire it to wsl.exe --list --online
• Update Linux kernel to 5.15.57.1
  • Fix 9p filesystem regressions since the last v5.10 WSL2 kernel
  • Enable support for the Precision Time Protocol (PTP) clock device
  • Enable Retbleed mitigations in x86_64 builds
  • Enable nftables and traffic control
  • Enable VGEM driver
• Update Microsoft.WSLg to version 1.0.41
  • WSLg: add default x11 bell sound
  • WSLg: Update /etc/wsl.conf to set the default user to wslg
  • WSLGd: add option to start weston under gdbserver
  • WSLGd: simplify weston command line construction
  • compositor: add wslgd-notify
  • compositor: Stop trapping SIGINT
  • compositor: load xwayland module last
  • rdp: resize margin adjustment for MoveWindow/SnapArrange PDU
  • rdpaudio: use pthread_cancel instead of pthread_kill
  • xwayland: give Xwayland its own session
  • xwayland: Don't track focus for override redirect windows

• Implement new error model

  • Localized error messages with inserts
  • Contextualized error messages
  • String readable HRESULTs

  Sample error:

  C:\Users\Test>wsl --mount A
  Administrator access is needed to mount a disk.
  Error code: Wsl/Service/AttachDisk/LXSS_E_ELEVATION_NEEDED_TO_MOUNT_DISK
  

• Manually reset the interop server when the relay exits [GH 7506]

• Ensure WSLg logs will be present in /mnt/wslg/stderr.log

• WSL1 errors will now be printed to /dev/kmsg

• Add opt-in environment variable to use UTF8 encoding

  • Adds the opt-in WSL_UTF8=1 environment variable to force UTF8 encoding on stdout & stderr through the CRT
  • Get rid of the double \r in our error messages

• Update WSLg to version 1.0.40

  • libweston-desktop/xwayland: Use correct geometry
  • xwm: Generate more synthetic ConfigureNotify events
  • xwayland: Support _NET_FRAME_EXTENTS
  • rdp: fix window doesn't redraw properly moving across different DPI monitors
  • rdp: Move audio processing to front-end
  • rdp: Clipboard changes (sync with upstream)
  • WSLGd: don't override certain env if already set
  • Build: fix cut&paste mistake for DirectX-headers git version
  • rdp-plugin: various bug fixes in WSLDVCPlugin DLL

• Fix potential wslservice.exe crash when tearing down VM state.