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GitHub Blog
CodeQL 2.25.3 adds Swift 6.3 support
GitHub has released CodeQL 2.25.3, a significant update to its static analysis engine used for code scanning. This version adds support for applications developed in Swift 6.3, allowing developers to analyze more recent projects. Improvements to five C/C++ queries enhance accuracy and reduce false positives in Python code analysis. Additionally, several queries across languages have seen updates for better performance, leading to increased precision in security diagnostics.
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Published 8 May 2026, 09:45 UTC2 min read
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Summary
TL;DR
- Supports Swift 6.3 for enhanced code analysis.
- Five C/C++ queries promoted for high precision.
- Python extractor updated for new syntax in Python 3.15.
- Improved alert messages for clearer communication.
- Updates reduce false positives across various queries.
Interesting facts
- CodeQL deployment happens automatically for all GitHub code scanning users.
- The new features are also integrated into the upcoming GHES 3.22 release.
What changed
Introduction of Swift 6.3 support and updates to multiple queries for enhanced accuracy.