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Error code: Wsl/Service/HCS_E_CONNECTION_TIMEOUT after update

Status: Open.

#40177 In Microsoft/wsl;

· RhysWheater opened on Apr 14, 2026

Severe performance degradation in Windows–WSL communication when using mirrored networking mode

needs-author-feedback

Status: Open.

#40176 In Microsoft/wsl;

· BBoomoom opened on Apr 14, 2026

WSL2 Mirrored Mode silently locks massive continuous ranges of localhost ports (WinError 10013)

needs-author-feedback

Status: Open.

#40169 In Microsoft/wsl;

· Horjer opened on Apr 13, 2026

ASAN (AddressSanitizer) binaries crash with SIGSEGV intermittently during initialization on WSL2

Status: Open.

#40168 In Microsoft/wsl;

· ttuurrnn opened on Apr 13, 2026

WSL 2 fails with 0xc03a0014 while installing Ubuntu

Status: Open.

#40167 In Microsoft/wsl;

· AkiraNyx opened on Apr 12, 2026

Wslg cursor misalignment when double screen and using electron app full screen

Status: Open.

#40166 In Microsoft/wsl;

· GuillaumeSavin opened on Apr 12, 2026

Build of 6.18.20.1 Linux kernel for WSL fails (dxgkrnl/__dma_fence_is_later signature mismatch)

Status: Open.

#40164 In Microsoft/wsl;

· faratech opened on Apr 11, 2026

Upgrade to 2.6.3 Error 1603 configuration failed

Status: Open.

#40114 In Microsoft/wsl;

· RichardNairn opened on Apr 5, 2026

WSLv1 DNS stopped working (maybe after some recent Windows update - maybe of Intel Chipset driver update)

question

Status: Open.

#40110 In Microsoft/wsl;

· vadimkantorov opened on Apr 5, 2026

VSCode Remote-SSH SSH tunnel stuck on WSL2 2.7.1

bug

Status: Open.

#40109 In Microsoft/wsl;

· learning310 opened on Apr 5, 2026

HOSTTYPE reports incorrect value on aarch64 systems

fixinbound

Status: Open.

#40040 In Microsoft/wsl;

· dkalowsk opened on Mar 30, 2026

Upgraded messa's for WSL, "Failed to start the systemd user session" reappeared.

needs-author-feedback

question

Status: Open.

#40024 In Microsoft/wsl;

· Chikimonki opened on Mar 29, 2026