- Deleted the old deprecated data flow API that was based on extending a configuration class. See https://github.blog/changelog/2023-08-14-new-dataflow-api-for-writing-custom-codeql-queries for instructions on migrating your queries to use the new API.
- Calling
coll.contains(x)is now a taint sanitizer (for any query) for the valuex, wherecollis a collection of constants.