Marie Lefebvre developed and released Virannot v1.2.0 for the galaxyproject/tools-iuc repository, focusing on enhancing RNA viral analytics through the introduction of RdRP domain merging. She implemented this feature using Python and XML, integrating it with related tools and updating data tests to ensure compatibility across the pipeline. Her work improved the accuracy of OTU clustering and streamlined data processing workflows, supporting more reliable downstream analyses. By adhering to versioned release practices and validating changes with reproducible commits, Marie demonstrated a methodical approach to bioinformatics tool development, delivering a targeted feature that addressed a specific need in OTU analysis.