2.6.0

• First open source release of WSL
• Various stability improvements
• Update localized strings
• Don't throw when unregistering a distro that has a BasePath that doesn't exist (solves #13004)
• Fix distribution download failing if the URL contains parameters
• Fix various issues with systemd user sessions (solves #13053)
• Fix wslsettings crash when invoked from wslservice
• Set MOVEFILE_WRITE_THROUGH when moving distribution VHD's (solves #13055)
• Discard BOM header when parsing the Windows 'hosts' file (solves #9642)
• Correctly report corrupted disks when mount() fails with EUCLEAN (solves #13074)
• Don't use a ? prefix when resolving the distribution location (solves #13064)
• Solve potential failure while downloading a distribution if LastError is non zero

2.5.9

• Update to WSL Kernel 6.6.87.2 (solves #12987, #12983, #13031)
• Merged PR 13054145: Make the post import distribution checks less strict (Solves #13036)

2.5.8

• Reduce file descriptor soft limit to 10240 (solves #12985)
• Add a systemd override binfmt-support.service to protect wsl's interop entry (solves #13000)

2.5.7

• Update Linux kernel to 6.6.87.1-1
• Update WindowsAppSDK to version 1.7.250401001
• Increase the soft file descriptor limit to 1024 * 1024 (solves #12837)
• Add logic to detect when an imported distribution is invalid
• Move Linux side warnings to new warning infrastructure
• Fix potential deadlock when converting a distribution to WSL1 or WSL2
• Fix download logic to download to a file instead of in memory (solves #12805)
• Use a systemd-generator to create the wslg and binfmt units

2.5.6

• Fix docker by adding back modules loaded at boot (solves #12748)
• Fix command line parsing preventing importing or exporting from stdout / stdin
• Bring back bridged networking mode
• Update to 6.6.84.1 WSL Kernel
• wslinfo: print newline after usage
• Add initgroups helper to work around musl limitation (solves #12755)
• Remove invalid kmesg error when gui apps are disabled
• Fallback to GrantVmAccess when attaching a VHD fails with ERROR_ACCESS_DENIED
• Update UtilConnectToInteropServer to respect g_InitPid and minor wslinfo updates (solves #12714)
• Put sparse vhd support behind an --allow-unsafe flag.
• wslsettings: fix networking mode selection logic (solves #12745)

2.5.4

• Fix the wsl --update --pre-release logic to correctly handle backports and always pick the actual latest
• Set LX_WSL2_INSTALL_PATH even when gui apps are disabled
• Introduce general.instanceIdleTimeout to control distribution termination timeouts (solves #10138, #9401)
• Modify config file parsing to allow empty strings
• Update Microsoft.RemoteDesktop.Client.MSRDC.SessionHost to version 1.2.6074
• Change behavior of a custom kernel with no modules to not log a warning.
• Implement --vhd-size and --fixed-vhd arguments to wsl.exe --install
• Detect when the VM crashes, and capture dmesg
• Resolve kernel warning about ip_local_port_range having start / end with same parity
• Update WSLENV logic to allow passing /l and /p together to translate paths and path lists
• Don't throw when processing an empty argument (solves #12649)
• Disable DNS tunneling if global secure access client is present
• Remove support bridged networking
• Fix wsl.exe --install --enable-wsl1 to work when run as non-elevated
• Fix partial read causing failure to import WSL1 distribution
• wslsettings: Launch MSI version of wsl.exe instead of the one in system32

2.4.13

• Update Microsoft.Identity.MSAL.WSL.Proxy to version 0.1.1

2.5.1

• Fix broken /etc/hosts generation and correctly handle empty domain names (solves #12275)
• Improve hardenning of the WSL binfmt interpreter (solves #8843)
• Gracefully handle situations where the user's defaultDistribution registry value points to a missing registration (solves #12595)
• Update WSLg to 1.0.66
• Add support for exporting distributions via wsl --export as .tar.xz
• Change wslpluginapi.h Windows.h header include to lowercase (solves #12580)
• Move the user token duplication logic to LxssUserSession so valid user tokens are passed to plugins (solves #12554)
• Update Kernel to 6.6.75 and switch modules to a vhd
• Remove cgroupv1 support
• Automatically start the distribution when a .wsl file is double clicked.
• Fix potential deadlock in the IO relay when stdin is a pipe (solves #12523)
• Introduce DefaultNetworkingMode WSL policy value
• Add support for CRLF in /etc/wsl.conf (solves #12502)
• Check automount setting before mounting admin drives (solves #12443)
• Remove TrustedInstaller registry protections before writing the registry during installation (solves #11376)
• WSLg: Create /run/user/ as a tmpfs mount that systemd expects (solves #11261)
• Add support for distro compressed with xz, or bzip for WSL1
• Implement OOBE for WSL1 distros. (solves #12398)
• Update Microsoft.Identity.MSAL.WSL.Proxy to version 0.1.1
• Implement config file warnings on Linux
• Implement localization on Linux
• Update 'wsl.exe --import-in-place` to call plugin API and do modern distro operations (solves #12370)
• Add support for resizing a distribution via wsl --manage --resize

2.4.12

• Gracefully handle situations where the user's defaultDistribution registry value is missing (solves #12595)

2.4.11

• Handle failure to launch if c:\windows\system32\lxss\lib is not present