--- title: Visual Studio Code 1.139 (Insiders) | daily.dev description: Rolling changelog for the VS Code 1.139 Insiders build covers a string of daily updates: utility editors now open modally in the Agents window, agent session... canonical: https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Visual Studio Code 1.139 (Insiders) | daily.dev og:description: Rolling changelog for the VS Code 1.139 Insiders build covers a string of daily updates: utility editors now open modally in the Agents window, agent session... og:url: https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz og:image: https://api.daily.dev/og/posts/52tWNmbLZ.png og:image:alt: Visual Studio Code 1.139 (Insiders) 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. # Visual Studio Code 1.139 (Insiders) **[Visual Studio Code](https://daily.dev/sources/vscode)** · 4 min read · 18 upvotes · 1 comments ## Summary Rolling changelog for the VS Code 1.139 Insiders build covers a string of daily updates: utility editors now open modally in the Agents window, agent session settings renamed from Archive to Mark as Done, default exclusion of Jujutsu's .jj metadata directory, new model picker controls for Thinking Effort and Context Size, an Optimize for control (Efficiency/Balance/Intelligence) for the Auto model in Copilot Chat, an Electron 43.6.0 runtime bump improving VoiceOver Braille tracking and Linux window controls, a mute/unmute shortcut for experimental Voice Mode, Cargo completions in terminal suggestions, experimental Agent Merge for PR workflows, inline color previews for CSS lab()/lch(), Markdown span style inline-block support, searchable Remote workspace menus, a new word wrap indicator setting, improved Auto model routing in multi-turn conversations, restored Markdown editor menu option, and a proposed AuthenticationSession.expiresAfter API. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### What does the Optimize for control do in VS Code's Auto model for Copilot Chat? It lets you balance model capability, speed, and cost when using the Auto model in Copilot Chat and Copilot SDK agent sessions. Three options are offered: Efficiency, Balance, and Intelligence, added as part of Auto Tiers support in the VS Code 1.139 Insiders build. _Developers tuning Copilot Chat cost versus quality can follow builds like this one on daily.dev._ ### Why did the Archive setting for Copilot agent sessions get renamed in VS Code? In VS Code 1.139 Insiders, the Preview setting for completed agent sessions was renamed from Archive to Mark as Done, with existing automatic-cleanup values migrated automatically to the new setting name so no manual reconfiguration is needed. _Anyone tracking Copilot agent session settings changes can follow VS Code updates on daily.dev._ ### Does VS Code hide Jujutsu (.jj) version control metadata from the Explorer by default? Yes, starting with VS Code 1.139 Insiders, the pattern **/.jj was added to the default files.exclude patterns, so Jujutsu repository metadata directories stay hidden in the Explorer without needing manual configuration. _Developers adopting Jujutsu alongside VS Code can track editor defaults like this on daily.dev._ ## Community discussion Top comments from developers on daily.dev. **@allinonetools** · 3 upvotes > VS Code keeps adding small workflow improvements that are easy to overlook. The new model controls for thinking effort and context size caught my attention—useful when balancing speed, cost, and quality. ## Similar posts on daily.dev - [Visual Studio Code 1.138 \(Insiders\)](https://daily.dev/posts/visual-studio-code-1-138-insiders--cndyyup3t) · Visual Studio Code · 13 upvotes · 0 comments - [Visual Studio Code 1.120](https://daily.dev/posts/visual-studio-code-1-120-ngenkcuse) · Visual Studio Code · 90 upvotes · 1 comments - [Visual Studio Code 1.123](https://daily.dev/posts/visual-studio-code-1-123-p6jvlkjwx) · Visual Studio Code · 16 upvotes · 0 comments - [Visual Studio Code 1.134 \(Insiders\)](https://daily.dev/posts/visual-studio-code-1-134-insiders--tgmqqvyye) · Visual Studio Code · 6 upvotes · 0 comments --- Tags: [#github](https://daily.dev/tags/github), [#vscode](https://daily.dev/tags/vscode), [#electron](https://daily.dev/tags/electron) [View this post on daily.dev](https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz) ```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":"Visual Studio Code 1.139 (Insiders)","url":"https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz"},"datePublished":"2026-09-22T17:01:46.666Z","dateModified":"2026-09-22T17:02:09.604Z","description":"Rolling changelog for the VS Code 1.139 Insiders build covers a string of daily updates: utility editors now open modally in the Agents window, agent session...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/500a57f1bc5f49a9fa99ae5672ec4d7a?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/500a57f1bc5f49a9fa99ae5672ec4d7a?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Visual Studio Code","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":"Visual Studio Code","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/d5adab6ae9fb44d19859748fc30f5e18","url":"https://daily.dev/sources/vscode"},"commentCount":1,"discussionUrl":"https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":18},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":1}],"keywords":"github,vscode,electron","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Visual Studio Code","item":"https://daily.dev/sources/vscode"},{"@type":"ListItem","position":3,"name":"Visual Studio Code 1.139 (Insiders)"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz","comment":[{"@type":"Comment","text":"VS Code keeps adding small workflow improvements that are easy to overlook. The new model controls for thinking effort and context size caught my attention—useful when balancing speed, cost, and quality.","datePublished":"2026-09-24T03:02:23.065Z","url":"https://daily.dev/posts/52tWNmbLZ#c-5nInQrud3","author":{"@type":"Person","name":"AllInOneTools","url":"https://daily.dev/allinonetools","image":"https://media.daily.dev/image/upload/s--4ZT8QlF0--/f_auto/v1769790028/avatars/avatar_igzBsWloJeaegzm9bQltZ?_a=BAMAMiiu0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/visual-studio-code-1-139-insiders--52twnmblz#faq","mainEntity":[{"@type":"Question","name":"What does the Optimize for control do in VS Code's Auto model for Copilot Chat?","acceptedAnswer":{"@type":"Answer","text":"It lets you balance model capability, speed, and cost when using the Auto model in Copilot Chat and Copilot SDK agent sessions. 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