Developer Builds Batch JSON Comparison Tool to Streamline API Regression Testing

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A developer is building a batch JSON diff module designed to help QA teams compare entire folders of API responses across software versions. The tool automatically matches JSON files by filename, filters out dynamic fields like timestamps and trace IDs, and flags newly added or deleted files between versions. A key focus is generating structured HTML batch reports so testers can quickly identify which API responses have changed. Core folder traversal and file-matching logic is nearly complete, with full batch comparison and export features expected within days. The developer says full-scale API batch regression testing is the most requested feature from enterprise QA teams.

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