Microsoft has released WSL 2.9.11, a pre-release update focused on stabilizing the Windows Subsystem for Linux Container (WSLC) runtime, introducing a transactional Restart() operation that allows for atomic container restarts without losing port reservations or bind mounts. The update also addresses two Plan9 mount regressions that caused read-only flag issues and attachment failures due to recent Windows updates. This release follows a series of rapid updates, underscoring Microsoft's commitment to making WSLC a competitive alternative to Docker Desktop for Linux workloads. While the update improves functionality, it remains a pre-release, with the team continuing to enhance the API and CLI features for users

WSL 2.9.11 Pre-release Adds Transactional Restart Support and Fixes Plan9 Mounts

Microsoft has released WSL 2.9.11, a focused pre-release update that stabilizes the Windows Subsystem for Linux Container (WSLC) runtime. The build introduces a transactional Restart() operation to the WSLC COM interface, allowing containers to restart atomically without losing port reservations or bind mounts. Two additional commits address Plan9 mount regressions, fixing read-only flag propagation issues and resolving attach failures caused by recent Windows updates. This drop follows a rapid succession of releases, signaling Microsoft's continued push to make wslc a viable alternative to Docker Desktop for Linux workloads.

WSL 2.9.11 Pre-release Adds Transactional Restart Support and Fixes Plan9 Mounts @ NT Compatible