{"id":12352,"date":"2025-05-20T01:18:33","date_gmt":"2025-05-19T22:18:33","guid":{"rendered":"https:\/\/digitrendz.blog\/?p=12352"},"modified":"2025-05-20T01:18:38","modified_gmt":"2025-05-19T22:18:38","slug":"microsoft-open-sources-wsl-after-closing-9-year-feature-request","status":"publish","type":"post","link":"https:\/\/digitrendz.blog\/z\/newswire\/technology\/12352\/microsoft-open-sources-wsl-after-closing-9-year-feature-request\/","title":{"rendered":"Microsoft Open-Sources WSL After Closing 9-Year Feature Request"},"content":{"rendered":"<details class=\"wp-block-details ticss-586932b6 is-layout-flow wp-block-details-is-layout-flow\"><summary>\u25bc Summary<\/summary>\n<p class=\"ticss-0c48f427 has-small-font-size wp-block-paragraph\">&#8211; Microsoft&#8217;s Windows Subsystem for Linux (WSL) provides developers with a built-in Linux command line and applications within Windows, introduced in 2016.<br>&#8211; Microsoft has consistently enhanced WSL, improving performance, usability, and adding features like GPU and audio support.<br>&#8211; At its Build conference, Microsoft announced plans to open-source nearly all of WSL, addressing a long-standing request from the community.<br>&#8211; Only two WSL components remain closed-source: the lxcore.sys kernel driver for WSL 1 and filesystem redirection files (p9rdr.sys and p9np.dll).<br>&#8211; Microsoft acknowledged the community&#8217;s role in WSL&#8217;s development and expressed excitement about future contributions but didn&#8217;t commit to open-sourcing the remaining components.<br><\/p>\n<\/details>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<p class=\"has-drop-cap wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#f34c3e\" class=\"has-inline-color\">M<\/mark>icrosoft has taken a significant step forward with its <a href=\"https:\/\/digitrendz.blog\/z\/tech-news\/152813\/microsoft-fewer-copilots-boost-windows-11-performance\/\" class=\"acp-article-link\" data-article-id=\"152813\" title=\"Microsoft: Fewer Copilots Boost Windows 11 Performance\" target=\"_blank\" rel=\"noopener noreferrer\">Windows<\/a> Subsystem for Linux (WSL), announcing the open-sourcing of nearly the <a href=\"https:\/\/digitrendz.blog\/z\/newswire\/artificial-intelligence\/131308\/ex-github-ceos-dev-tool-lands-60m-seed-at-300m-valuation\/\" class=\"acp-article-link\" data-article-id=\"131308\" title=\"Ex-GitHub CEO&#039;s Dev Tool Lands $60M Seed at $300M Valuation\" target=\"_blank\" rel=\"noopener noreferrer\">entire<\/a> project.<\/strong> This move fulfills a long-standing request from developers, marking a major milestone for the tool that first launched in 2016 as part of the Windows 10 Anniversary Update. WSL has since evolved into an indispensable resource for developers, offering seamless access to Linux environments directly within Windows.<\/p>\n\n<p class=\"wp-block-paragraph\">Over the years, <a href=\"https:\/\/digitrendz.blog\/z\/entity\/microsoft\/\" class=\"acp-entity-link\" data-entity-id=\"251\" data-entity-category=\"Organization\" title=\"Learn more about Microsoft\" target=\"_blank\" rel=\"noopener noreferrer\">Microsoft<\/a> has refined WSL with performance upgrades, simplified installation, and expanded capabilities\u2014including GPU acceleration and audio support. The decision to open-source the project came during Microsoft\u2019s Build developer conference, where the company revealed it was addressing the very first <a href=\"https:\/\/digitrendz.blog\/z\/entity\/github\/\" class=\"acp-entity-link\" data-entity-id=\"198\" data-entity-category=\"Organization\" title=\"Learn more about GitHub\" target=\"_blank\" rel=\"noopener noreferrer\">GitHub<\/a> issue logged for WSL nearly nine years ago.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/digitrendz.blog\/z\/entity\/pierre-boulay\/\" class=\"acp-entity-link\" data-entity-id=\"16142\" data-entity-category=\"Person\" title=\"Learn more about Pierre Boulay\" target=\"_blank\" rel=\"noopener noreferrer\">Pierre Boulay<\/a>, a senior software engineer at Microsoft, emphasized the critical role of the developer community in shaping WSL\u2019s success.<\/strong> In a blog post, he noted that while contributors have already made substantial improvements without direct access to the source code, open-sourcing the project unlocks even greater potential for innovation.<\/p>\n\n<p class=\"wp-block-paragraph\">For now, only a few components remain proprietary: the <strong>lxcore.sys<\/strong> kernel driver, which powers WSL 1 (the original version still supported alongside WSL 2), and the <strong>p9rdr.sys<\/strong> and <strong>p9np.dll<\/strong> files responsible for filesystem redirection between Windows and <a href=\"https:\/\/digitrendz.blog\/z\/entity\/linux\/\" class=\"acp-entity-link\" data-entity-id=\"4602\" data-entity-category=\"Technology\" title=\"Learn more about Linux\" target=\"_blank\" rel=\"noopener noreferrer\">Linux<\/a>. Microsoft hasn\u2019t ruled out making these elements open-source in the future but hasn\u2019t provided a timeline for such a move.<\/p>\n\n<p class=\"wp-block-paragraph\">This shift underscores Microsoft\u2019s commitment to fostering collaboration within the developer ecosystem while continuing to enhance cross-platform functionality. With WSL now open to community contributions, its evolution is poised to accelerate, offering even more powerful tools for developers worldwide.<\/p>\n\n<p class=\"wp-block-paragraph\"><em>(Source: <a href=\"https:\/\/arstechnica.com\/gadgets\/2025\/05\/microsoft-takes-windows-subsystem-for-linux-open-source-after-nearly-a-decade\/\" target=\"_blank\">Ars Technica<\/a>)<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Microsoft has open-sourced nearly the entire Windows Subsystem for Linux (WSL), fulfilling a long-standing developer request and marking a major milestone since its 2016 launch. The decision was announced at Microsoft\u2019s Build conference, addressing a nine-year-old GitHub issue, with only a few pr&#8230;<\/p>\n","protected":false},"author":1,"featured_media":12351,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[6579,3327,3254],"tags":[7278,10143,10145,10144,10142],"entities":[4416,10085,1356,3477,904,10167,955,10166],"class_list":["post-12352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bigtech-companies","category-newswire","category-technology","tag-developer-tools","tag-linux-on-windows","tag-microsoft-open-source","tag-windows-subsystem-for","tag-wsl-development","entity-ars-technica","entity-build-conference","entity-github","entity-linux","entity-microsoft","entity-pierre-boulay","entity-windows","entity-windows-subsystem-for-linux-wsl"],"_links":{"self":[{"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/posts\/12352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/comments?post=12352"}],"version-history":[{"count":0,"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/posts\/12352\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/media\/12351"}],"wp:attachment":[{"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/media?parent=12352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/categories?post=12352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/tags?post=12352"},{"taxonomy":"entity","embeddable":true,"href":"https:\/\/digitrendz.blog\/z\/wp-json\/wp\/v2\/entities?post=12352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}