• Fix an issue causing wslg shortcut generation to fail (solves: #1388)

What's Changed

• Remove unused LXSS_DISTRO_FLAGS_WSLCORE_MODE by @OneBlue in #13603
• Add logic to handle partial hvsocket writes and additional logging by @OneBlue in #13602
• Update Microsoft.NETCore.App.Runtime packages version with fix for CVE-2025-55248 by @benhillis in #13607
• Update Microsoft.WSL.DeviceHost package to version 1.0.0-20251015.1 by @benhillis in #13606
• Fix edge cases around .vhd support by @benhillis in #13061
• Fix WslDistributionConfig to not default-initialize optional fields by @benhillis in #13629
• Make the sample WSL_POST_BUILD_COMMAND more resilient by @OneBlue in #13652
• wslsettings: allow OOBE window to close with escape key by @benhillis in #13686
• wslsettings: fix OOBE text truncation at 200% text scaling by @benhillis in #13693
• wslsettings: add underlines to links in about page by @benhillis in #13703
• .clang-format: add InsertBraces: true and minor fix to FormatSource.ps1 by @benhillis in #13712
• wslsettings: ensure selected setting is auto-expanded and selected by @benhillis in #13689
• build: fix minor compiler errors when building with VS2026 by @benhillis in #13744
• Mask systemd-networkd-wait-online.service during boot by @OneBlue in #13611
• deps: update a number of NuGet packages to the latest available versions by @benhillis in #13728
• Add *.slnx to .gitignore by @OneBlue in #13754
• Fix service crash when collecting a linux crash dump when maxCrashDumpCount is set to 0 by @OneBlue in #13755
• cleanup: VirtioNetworking refactoring by @benhillis in #13760
• cleanup: switch from Microsoft::WRL::ComPtr to wil::com_ptr by @benhillis in #13767
• cleanup: VirtioNetworking refactoring to be more portable by @benhillis in #13783
• cleanup: remove invalid m_deviceHostSupport checks by @benhillis in #13787
• cleanup: move common functionality out of service exe by @benhillis in #13788
• test: improve test logging infra by @benhillis in #13811
• virtio networking: fix two minor issues by @benhillis in #13810
• Update Microsoft.WSL.Kernel to 6.6.114.1 by @chessturo in #13812
• test: minor updates to improve virtiofs pass rate by @benhillis in #13815
• Update Microsoft.WSL.DeviceHost to remove lxutil.dll dependency by @benhillis in #13633
• cleanup: add handling for product-specific virtio networking class IDs. by @benhillis in #13822
• wslsettings: ensure text in the oobe window properly wraps by @benhillis in #13823
• Add back WSL2_VM_ID environment variable to the system distro. by @benhillis in #13835
• CI: Switch away from -dev versions of MS-RDX-MRO.windows-store-publish tasks by @benhillis in #13841
• Fix typo in Dutch translations by @frosit in #13853
• test: add simple virtio proxy networking tests and move mirrored tests to their own class by @benhillis in #13838
• CI: update issue for wslsettings being rebuilt and signature being overwritten by @benhillis in #13855

New Contributors

• @almalinuxautobot made their first contribution in #13653
• @frosit made their first contribution in #13853

Full Changelog: 2.6.2...2.7.0

What's Changed

• Add comprehensive GitHub Copilot instructions for WSL development by @Copilot in #13352
• wslg: update to latest version which uses wslinfo --vm-id instead of env var by @benhillis in #13361
• Remove hardcoded --cd ~ from WSL terminal fragment profiles to support Terminal's startingDirectory by @Copilot in #13350
• Disable HTTP cache when reading the distribution manifest over HTTP by @OneBlue in #13383
• Relaunch the debug shell if user exits it. by @benhillis in #13379
• Update Microsoft .NET and AppSDK nuget packages. by @benhillis in #13450
• logging: add more settings to vm create begin / end events. by @benhillis in #13412
• Fix: Always use 'WSLInterop` as the binfmt name by @benhillis in #13467
• Notice change from build: 129899373 by @benhillis in #13475
• Set TargetLatestRuntimePatch to false to prevent automatic framework version increases by @OneBlue in #13483
• Add WININET_E_TIMEOUT to g_commonErrors by @OneBlue in #13506
• fix: UnboundLocalError in create-release.py by @rodeka in #13499
• Add logic to force terminate the VM if the session lock can't be acquired for 30 seconds when the service stops by @OneBlue in #13493
• Fix incorrect timeout causing WSL1 OOBE to fail if the OOBE process takes longer than 30 seconds by @OneBlue in #13517
• Create a persistent install log file to help root cause package upgrade issues by @OneBlue in #13500
• fix: correct sparse VHD command to include true by @junhaoliao in #13512
• Introduce a new wsl.conf config value to allow distributions to opt-in to cgroupv1 mounts by @OneBlue in #13546
• Add more verbose output to bsdtar to help root cause 'ImportExportStdout' test failures by @OneBlue in #13555
• Respect the distribution manifest ordering when listing distributions by @OneBlue in #13561
• Update the initramfs generation logic to set 755 permissions on /init by @OneBlue in #13567
• Update WSLg to 1.0.71 by @hideyukn88 in #13570
• Implement clean instance terminate when using systemd by @benhillis in #13552
• Fix potential service deadlock when plugin returns an error from OnVmStarted by @OneBlue in #13569
• Improve logging when socket operations fail by @OneBlue in #13579

New Contributors

• @jkvn made their first contribution in #13355
• @Copilot made their first contribution in #13352
• @rodeka made their first contribution in #13499
• @junhaoliao made their first contribution in #13512
• @hideyukn88 made their first contribution in #13570

Full Changelog: 2.5.10...2.6.2

What's Changed

• Fix json invalid utf-8 from IconPath by @CarlosNihelton in #13340
• Switch wslinfo --vm-id to not rely on presence of VM ID environment variable by @benhillis in #13318
• Fixed CVE-2025-53788 (Details to be published on Aug 12th)
• install: do not attempt to install distros if a reboot is required by @benhillis in #13298
• wslsettings: appropriately set heading level for PageHeaderTextBlockStyle by @benhillis in #13257
• Expose the VM ID inside user distros by @chelnak in #13212
• Don't display a warning when the binfmt process doesn't have a controlling terminal by @OneBlue in #13176
• Fix C1010070 compilation error in wslsettings by @Mlekow in #12928
• Look up systemctl from $PATH for user session checks by @K900 in #13157
• Update Microsoft.RemoteDesktop.Client.MSRDC.SessionHost to version 1.2.6353 by @benhillis in #13271

New Contributors

• @Mlekow made their first contribution in #12928
• @K900 made their first contribution in #13157
• @g0tmi1k made their first contribution in #13182
• @chelnak made their first contribution in #13212
• @kirancheparthi made their first contribution in #13240
• @mohiuddin-khan-shiam made their first contribution in #13201
• @stratusjerry made their first contribution in #13314
• @CarlosNihelton made their first contribution in #13340

Full Changelog: 2.6.0...2.6.1

• Fixed CVE-2025-53788 (Details to be published on Aug 12th)

• 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

• 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)

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

• 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

• 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)