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Microsoft Open-Sources Windows Subsystem for Linux Codebase

Nearly all components of WSL are now available on GitHub, marking a major step in Microsoft's push to enhance Windows as a development platform.

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Overview

  • Microsoft has released the Windows Subsystem for Linux (WSL) codebase on GitHub, enabling developers to contribute directly to its development.
  • The move fulfills a long-standing request from the developer community for transparency and collaboration on WSL's evolution.
  • Key kernel-side components, including lxcore.sys and file system drivers, remain proprietary as part of Windows images.
  • WSL has evolved significantly since its 2016 debut, transitioning from a compatibility layer to a real Linux kernel VM in 2019 and becoming a standalone package in 2021.
  • Microsoft aims to position Windows as a premier development environment by enabling faster feature delivery and deeper Linux integration through community contributions.