During December 2025, Daniel Yaffe implemented JMESPath OrExpression support in the aws/smithy-go repository, enabling developers to use OR expressions within query evaluations. This feature enhanced the flexibility of data extraction for Go-based Smithy clients and services, reducing the need for complex workarounds. Daniel worked end-to-end on this feature, from code changes to documentation, ensuring seamless integration into the existing backend. Leveraging skills in JMESPath, Java, and backend development, he contributed a targeted improvement that addressed a specific gap in query expressiveness, demonstrating a focused approach to feature delivery within a short timeframe and a single repository.