October 2025 monthly summary for cBioPortal frontend focused on delivering a new Variant Allele Frequency (VAF) data option in the Plots tab. The work included UI changes, data processing updates, and test coverage to ensure accurate VAF visualization. Also addressed data quality issues (NaN edge cases) and improved filtering for samples without mutation or VAF data. This enhancement strengthens mutation data analysis capabilities and aligns with the GSoC'25 objectives.

Month: 2025-05 – Focused on strengthening frontend navigation, data visualization accuracy, and maintainability in cbioportal-frontend. Delivered path-based URL routing enhancements for comparison and pathways subtabs, refined the dynamic plot legend to reflect visible data, and introduced reusable helpers to support future routing changes. These changes enhance user navigation, SEO relevance, and data exploration accuracy while reducing future maintenance effort.

Concise monthly summary for 2025-04 focusing on delivering direct navigation improvements in the results view and validating SPA routing for deeper linking.

March 2025: Delivered a high-value frontend enhancement in cBioPortal/cbioportal-frontend. Feature delivered: BoxScatterPlot Axis Label Tooltip Enhancement, adding a tooltip that shows boxplot statistics on axis label hover. The tooltip logic was consolidated and hover handlers added for axis labels. Commit: 777550c9c1bb2d3408cdf6b1b2a23114718610df (feat: Added boxplot stats as tooltip for axis label (#5125)). Business impact: improved data interpretability in BoxScatterPlot, enabling faster insight and better decision-making for analysts. Technical impact: UI/UX improvement, code consolidation for tooltip logic, targeted frontend work with minimal risk. No major bug fixes were recorded this month, contributing to stability.

In January 2025, delivered terminology alignment in end-to-end tests for the cBioPortal frontend by standardizing on CANCER_TYPE and updating all reference screenshots. This change reduces test fragility related to terminology mismatches and simplifies future test maintenance, contributing to more reliable CI runs and clearer test outcomes.