--- title: CodeQL 2.23.9 has been released | daily.dev description: CodeQL 2.23.9 has been released with no user-facing CLI changes or query updates. The release includes a deprecation notice: support for Kotlin versions 1.6... canonical: https://daily.dev/posts/codeql-2-23-9-has-been-released-5qyobnlzr twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: CodeQL 2.23.9 has been released | daily.dev og:description: CodeQL 2.23.9 has been released with no user-facing CLI changes or query updates. The release includes a deprecation notice: support for Kotlin versions 1.6... og:url: https://daily.dev/posts/codeql-2-23-9-has-been-released-5qyobnlzr og:image: https://api.daily.dev/og/posts/5QYoBNlZR.png og:image:alt: CodeQL 2.23.9 has been released 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. # CodeQL 2.23.9 has been released **[GitHub Changelog](https://daily.dev/sources/github_updates)** · 1 min read · 0 upvotes · 0 comments ## Summary CodeQL 2.23.9 has been released with no user-facing CLI changes or query updates. The release includes a deprecation notice: support for Kotlin versions 1.6 and 1.7 will be removed in CodeQL 2.24.1 (February 2026), requiring Kotlin 1.8 or later for database extraction. The update is automatically deployed to GitHub code scanning users on github.com and will be included in future GitHub Enterprise Server releases. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [CodeQL 2.25.2 adds Kotlin 2.3.20 support and other updates](https://daily.dev/posts/codeql-2-25-2-adds-kotlin-2-3-20-support-and-other-updates-ortwd96jn) · GitHub Changelog · 0 upvotes · 0 comments - [CodeQL 2.26.2 adds Swift 6.3.3 and Kotlin 2.4.10 support](https://daily.dev/posts/codeql-2-26-2-adds-swift-6-3-3-and-kotlin-2-4-10-support-rjxpchh6g) · GitHub Changelog · 0 upvotes · 0 comments - [CodeQL 2.26.1 improves analysis accuracy and framework coverage](https://daily.dev/posts/codeql-2-26-1-improves-analysis-accuracy-and-framework-coverage-wwknpo6q8) · GitHub Changelog · 0 upvotes · 0 comments - [CodeQL 2.26.0 adds Kotlin 2.4.0 support and AI prompt injection detection](https://daily.dev/posts/codeql-2-26-0-adds-kotlin-2-4-0-support-and-ai-prompt-injection-detection-ezd4sci6o) · GitHub Changelog · 0 upvotes · 1 comments - [Kotlin 2.3.20 Released](https://daily.dev/posts/kotlin-2-3-20-released-yhm5cs4jz) · Kotlin · 9 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#github](https://daily.dev/tags/github), [#kotlin](https://daily.dev/tags/kotlin), [#codeql](https://daily.dev/tags/codeql) [View this post on daily.dev](https://daily.dev/posts/codeql-2-23-9-has-been-released-5qyobnlzr) ```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":"CodeQL 2.23.9 has been released","url":"https://daily.dev/posts/codeql-2-23-9-has-been-released-5qyobnlzr","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/codeql-2-23-9-has-been-released-5qyobnlzr"},"datePublished":"2026-01-20T22:20:42.282Z","dateModified":"2026-01-20T22:21:01.628Z","description":"CodeQL 2.23.9 has been released with no user-facing CLI changes or query updates. 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