preset-io/superset
Jan 2026 – May 2026
3 Months active
Languages Used
JavaScriptTypeScriptPython
Technical Skills
Reactfront end developmenttestingAPI developmentEchartsbackend development
jesperct
PROFILE
Jesperct
During three months contributing to preset-io/superset, Jmilecelento focused on enhancing data visualization accuracy and dashboard usability. He developed targeted UI improvements, such as dynamic filter UX and conditional formatting for table charts, using React and TypeScript. Addressing complex issues in time-based chart filtering and Echarts annotation rendering, he refined backend data transformation logic and implemented robust regression tests to ensure correctness. His work included fixes for time granularity alignment, color assignment in dashboards, and prevention of numeric axis misrendering. By combining frontend and backend development with thorough testing, Jmilecelento delivered deeper reliability and clarity to Superset’s visualization features.
Overall Statistics
Feature vs Bugs
29%Features
Repository Contributions
8Total
Bugs
5
Commits
8
Features
2
Lines of code
4,315
Activity Months3
Your Network
162 peopleWork History
May 2026
3 Commits
May 1, 2026May 2026 monthly summary for repo: preset-io/superset. Focused on correctness of time-based query behavior, safer visualization rendering, and more reliable dashboard aesthetics. Delivered targeted fixes, added tests, and reinforced data accuracy and consistency in the user experience.
3 Commits
May 1, 2026May 2026 monthly summary for repo: preset-io/superset. Focused on correctness of time-based query behavior, safer visualization rendering, and more reliable dashboard aesthetics. Delivered targeted fixes, added tests, and reinforced data accuracy and consistency in the user experience.
May 2026
February 2026
2 Commits
Feb 1, 2026February 2026 monthly summary for preset-io/superset: Delivered stability and correctness improvements to data visualizations. Key features delivered: 1) Time-based Chart Filtering correctness when TEMPORAL_RANGE and Time Column filters are used together; 2) Correct rendering of Echarts annotations with dataset-level column labels by fixing data transformation logic. Major bugs fixed: addressed time granularity misalignment in time-filtered visuals and corrected annotation rendering for dataset-level labels. Overall impact: improved dashboard accuracy and user trust, enabling more reliable data-driven decisions. Technologies/skills demonstrated: frontend data visualization, Echarts integration, data transformation debugging, patch discipline, and collaborative commit-based fixes.
February 2026
2 Commits
Feb 1, 2026February 2026 monthly summary for preset-io/superset: Delivered stability and correctness improvements to data visualizations. Key features delivered: 1) Time-based Chart Filtering correctness when TEMPORAL_RANGE and Time Column filters are used together; 2) Correct rendering of Echarts annotations with dataset-level column labels by fixing data transformation logic. Major bugs fixed: addressed time granularity misalignment in time-filtered visuals and corrected annotation rendering for dataset-level labels. Overall impact: improved dashboard accuracy and user trust, enabling more reliable data-driven decisions. Technologies/skills demonstrated: frontend data visualization, Echarts integration, data transformation debugging, patch discipline, and collaborative commit-based fixes.
January 2026
3 Commits • 2 Features
Jan 1, 2026January 2026: Delivered targeted UI improvements and data-visualization enhancements in preset-io/superset. Key features include improved filter UX and scope handling, and time-aware table formatting. Implemented Apply button activation for Boolean FALSE in SelectFilterPlugin; added tests for TRUE/FALSE/null and clearing; improved native filters to respect scope in nested tabs by prioritizing chartsInScope (commits 4393db57d9fdf373e58f119f244fe78a3b943ffb, 23fec55e3d2b0f14594dc1e3b9d679bd8eecf090). Introduced conditional formatting for table charts that only shows increase/decrease color options when time comparison is enabled (commit 3347b9bf6cfcf4525f2af283c668f4d36febc33f).
3 Commits • 2 Features
Jan 1, 2026January 2026: Delivered targeted UI improvements and data-visualization enhancements in preset-io/superset. Key features include improved filter UX and scope handling, and time-aware table formatting. Implemented Apply button activation for Boolean FALSE in SelectFilterPlugin; added tests for TRUE/FALSE/null and clearing; improved native filters to respect scope in nested tabs by prioritizing chartsInScope (commits 4393db57d9fdf373e58f119f244fe78a3b943ffb, 23fec55e3d2b0f14594dc1e3b9d679bd8eecf090). Introduced conditional formatting for table charts that only shows increase/decrease color options when time comparison is enabled (commit 3347b9bf6cfcf4525f2af283c668f4d36febc33f).
January 2026
Activity
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Quality Metrics
Correctness100.0%
Maintainability82.6%
Architecture82.6%
Performance82.6%
AI Usage27.6%
Skills & Technologies
Programming Languages
JavaScriptPythonTypeScript
Technical Skills
API developmentEchartsReactTypeScriptbackend developmentcharting librariesdata processingdata visualizationfront end developmenttestingunit testing
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline