--- title: Wine 11.21 Released With Better WoW64 OpenGL Performance description: Wine 11.21 merges support for the MESA_map_buffer_client_pointer OpenGL extension, which should improve performance for those using OpenGL with a WoW64 setup.... canonical: https://daily.dev/posts/wine-11-21-released-with-better-wow64-opengl-performance-0hesm9vli twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Wine 11.21 Released With Better WoW64 OpenGL Performance | daily.dev og:description: Wine 11.21 merges support for the MESA_map_buffer_client_pointer OpenGL extension, which should improve performance for those using OpenGL with a WoW64 setup.... og:url: https://daily.dev/posts/wine-11-21-released-with-better-wow64-opengl-performance-0hesm9vli og:image: https://api.daily.dev/og/posts/0HEsm9vLi.png og:image:alt: Wine 11.21 Released With Better WoW64 OpenGL Performance og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Wine 11.21 Released With Better WoW64 OpenGL Performance **[Phoronix](https://daily.dev/sources/phoronix)** · 1 min read · 0 upvotes · 0 comments ## Summary Wine 11.21 merges support for the MESA_map_buffer_client_pointer OpenGL extension, which should improve performance for those using OpenGL with a WoW64 setup. The release also adds an initial version of the Voice Capture DSP library and improved support for user accounts. It includes 20 known bug fixes, covering a Shift + Ctrl + Tab input issue, Cinebench 2026 problems, and game fixes for Skyrim SE and World of Tanks. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What does Wine 11.21 change for OpenGL performance under WoW64? Wine 11.21 merges support for the MESA_map_buffer_client_pointer OpenGL extension, which improves 32-bit OpenGL performance when running under WoW64. This was the most notable change in the release. The update also adds an initial version of the Voice Capture DSP library and improved user account support. _Developers tracking Wine's WoW64 graphics performance can follow release notes like this on daily.dev._ ### What bugs were fixed in Wine 11.21? Wine 11.21 includes 20 known bug fixes. These cover a Shift + Ctrl + Tab keyboard shortcut not working, issues affecting Cinebench 2026, and game-specific fixes for Skyrim SE and World of Tanks. _Anyone debugging Wine compatibility issues can keep up with fixes like these via daily.dev._ ## Similar posts on daily.dev - [Wine Merges Support For MESA\_map\_buffer\_client\_pointer To Improve WoW64 32-bit OpenGL](https://daily.dev/posts/wine-merges-support-for-mesa-map-buffer-client-pointer-to-improve-wow64-32-bit-opengl-gcnvo8t4u) · Phoronix · 0 upvotes · 0 comments - [Wine 10.18 Released With More WoW64 Mode Improvements](https://daily.dev/posts/wine-10-18-released-with-more-wow64-mode-improvements-w0umxqedf) · Phoronix · 0 upvotes · 0 comments - [Wine 11.9 Released With Wayland Pointer Warp, Initial Support For System Threads](https://daily.dev/posts/wine-11-9-released-with-wayland-pointer-warp-initial-support-for-system-threads-unzri33fg) · Phoronix · 0 upvotes · 0 comments - [Wine 11 rewrites how Linux runs Windows games at the kernel level, and the speed gains are massive](https://daily.dev/posts/wine-11-rewrites-how-linux-runs-windows-games-at-the-kernel-level-and-the-speed-gains-are-massive-ojjbzn8ru) · Hacker News · 2 upvotes · 4 comments --- Tags: [#linux](https://daily.dev/tags/linux), [#opengl](https://daily.dev/tags/opengl) [View this post on daily.dev](https://daily.dev/posts/wine-11-21-released-with-better-wow64-opengl-performance-0hesm9vli) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Wine 11.21 Released With Better WoW64 OpenGL Performance","url":"https://daily.dev/posts/wine-11-21-released-with-better-wow64-opengl-performance-0hesm9vli","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/wine-11-21-released-with-better-wow64-opengl-performance-0hesm9vli"},"datePublished":"2026-10-31T00:33:55.436Z","dateModified":"2026-10-31T00:34:46.879Z","description":"Wine 11.21 merges support for the MESA_map_buffer_client_pointer OpenGL extension, which should improve performance for those using OpenGL with a WoW64 setup....","image":"https://media.daily.dev/image/upload/s--0_ODbtD2--/f_auto/v1722860399/public/Placeholder%2008","thumbnailUrl":"https://media.daily.dev/image/upload/s--0_ODbtD2--/f_auto/v1722860399/public/Placeholder%2008","isAccessibleForFree":true,"articleSection":"Phoronix","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Phoronix","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/6a26ba379dd64932830aa0c9803dd7ee","url":"https://daily.dev/sources/phoronix"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/wine-11-21-released-with-better-wow64-opengl-performance-0hesm9vli","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"linux,opengl","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Phoronix","item":"https://daily.dev/sources/phoronix"},{"@type":"ListItem","position":3,"name":"Wine 11.21 Released With Better WoW64 OpenGL Performance"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/wine-11-21-released-with-better-wow64-opengl-performance-0hesm9vli#faq","mainEntity":[{"@type":"Question","name":"What does Wine 11.21 change for OpenGL performance under WoW64?","acceptedAnswer":{"@type":"Answer","text":"Wine 11.21 merges support for the MESA_map_buffer_client_pointer OpenGL extension, which improves 32-bit OpenGL performance when running under WoW64. 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