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codeql/python/ql/lib/change-notes/released/0.3.0.md
2022-05-12 11:47:19 +01:00

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## 0.3.0
### Breaking Changes
* The imports made available from `import python` are no longer exposed under `DataFlow::` after doing `import semmle.python.dataflow.new.DataFlow`, for example using `DataFlow::Add` will now cause a compile error.
### Minor Analysis Improvements
* The modeling of `request.files` in Flask has been fixed, so we now properly handle assignments to local variables (such as `files = request.files; files['key'].filename`).
* Added taint propagation for `io.StringIO` and `io.BytesIO`. This addition was originally [submitted as part of an experimental query by @jorgectf](https://github.com/github/codeql/pull/6112).