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codeql/javascript/ql/lib/change-notes/released/2.3.0.md
2025-01-20 21:11:12 +00:00

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## 2.3.0
### Deprecated APIs
* Custom data flow queries will need to be migrated in order to use the shared data flow library. Until migrated, such queries will compile with deprecation warnings and run with a
deprecated copy of the old data flow library. The deprecation layer will be removed in early 2026, after which any unmigrated queries will stop working.
See more information in the [migration guide](https://codeql.github.com/docs/codeql-language-guides/migrating-javascript-dataflow-queries).
### Major Analysis Improvements
* All data flow queries are now using the same underlying data flow library as the other languages analyses, replacing the old one written specifically for JavaScript/TypeScript.
This is a significant change and users may consequently observe differences in the alerts generated by the analysis.
### Minor Analysis Improvements
* The sensitive data library has been improved so that `snake_case` style variable names are recognized more reliably. This may result in more sensitive data being identified, and more results from queries that use the sensitive data library.