plotly/dash
Nov 2024 – Jan 2026
4 Months active
Languages Used
CSSJavaScriptMarkdownPythonTypeScript
Technical Skills
Backend DevelopmentCode LintingDocumentationFront-end DevelopmentIntegration TestingPython
CNFeffery
PROFILE
Cnfeffery
Feffery contributed to the plotly/dash repository by developing features and fixes that enhanced both developer experience and application performance. Over four months, he implemented global callback visibility controls and improved client-side callback integration, focusing on maintainability and usability for large Dash applications. His work included adding regex-based asset path filtering to optimize dashboard startup, refining multi-Output callback logic to address no_update inconsistencies, and performing code style cleanups using Python and TypeScript. Through careful integration testing, documentation updates, and code linting, Feffery ensured robust, maintainable solutions that addressed real-world workflow challenges for Dash developers and users.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
21Total
Bugs
1
Commits
21
Features
4
Lines of code
356
Activity Months4
Your Network
41 peopleShared Repositories
41
Work History
January 2026
10 Commits • 2 Features
Jan 1, 2026January 2026: Delivered key features in plotly/dash to improve developer experience and client-side integration, while enhancing maintainability and code quality. Implemented Global Callback Visibility Control (hide_all_callbacks) and completed client-side callback parameter registration, with accompanying refactors to config handling, changelog updates, and lint cleanups. These efforts reduce debugging time, improve tool usability for large Dash apps, and strengthen the overall robustness of the development workflow.
10 Commits • 2 Features
Jan 1, 2026January 2026: Delivered key features in plotly/dash to improve developer experience and client-side integration, while enhancing maintainability and code quality. Implemented Global Callback Visibility Control (hide_all_callbacks) and completed client-side callback parameter registration, with accompanying refactors to config handling, changelog updates, and lint cleanups. These efforts reduce debugging time, improve tool usability for large Dash apps, and strengthen the overall robustness of the development workflow.
January 2026
August 2025
3 Commits
Aug 1, 2025August 2025 monthly summary for the Dash repo focusing on client-side callback reliability and no_update semantics. Delivered a critical bug fix for multi-Output client-side callbacks where a single dash_clientside.no_update value did not consistently apply across all outputs, causing unintended updates in UI when multiple Outputs are involved. The fix includes updated judgment logic for no_update and broader tests to prevent regressions.
August 2025
3 Commits
Aug 1, 2025August 2025 monthly summary for the Dash repo focusing on client-side callback reliability and no_update semantics. Delivered a critical bug fix for multi-Output client-side callbacks where a single dash_clientside.no_update value did not consistently apply across all outputs, causing unintended updates in UI when multiple Outputs are involved. The fix includes updated judgment logic for no_update and broader tests to prevent regressions.
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 (plotly/dash) — Focused on code quality improvements with a non-functional code style cleanup to align Python code with Black formatting rules. Implemented targeted formatting changes in dash.py and several methods; no behavioral changes. This work reduces future technical debt and streamlines code reviews and CI lint checks. Commits included: eef8d245a4010da60cabe70b12c32c43d356d0ec; b6fd63c50ce31ec552d3b1143a9276087bb3c5c7.
2 Commits • 1 Features
Jun 1, 2025June 2025 (plotly/dash) — Focused on code quality improvements with a non-functional code style cleanup to align Python code with Black formatting rules. Implemented targeted formatting changes in dash.py and several methods; no behavioral changes. This work reduces future technical debt and streamlines code reviews and CI lint checks. Commits included: eef8d245a4010da60cabe70b12c32c43d356d0ec; b6fd63c50ce31ec552d3b1143a9276087bb3c5c7.
June 2025
November 2024
6 Commits • 1 Features
Nov 1, 2024November 2024 — Plotly Dash: Delivered the assets_path_ignore feature for dash.Dash(), enabling regex-based ignoring of asset paths to reduce unnecessary asset loading and improve startup latency for dashboards with large asset sets. Implemented default handling for ignore_path_list when None to preserve backward compatibility, added integration tests validating behavior (including coverage for issue #3077), and completed changelog updates and lint cleanups to maintain code quality and release readiness.
November 2024
6 Commits • 1 Features
Nov 1, 2024November 2024 — Plotly Dash: Delivered the assets_path_ignore feature for dash.Dash(), enabling regex-based ignoring of asset paths to reduce unnecessary asset loading and improve startup latency for dashboards with large asset sets. Implemented default handling for ignore_path_list when None to preserve backward compatibility, added integration tests validating behavior (including coverage for issue #3077), and completed changelog updates and lint cleanups to maintain code quality and release readiness.
Activity
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Quality Metrics
Correctness96.2%
Maintainability96.2%
Architecture93.4%
Performance95.2%
AI Usage21.0%
Skills & Technologies
Programming Languages
CSSJavaScriptMarkdownPythonTypeScript
Technical Skills
API developmentBackend DevelopmentCode FormattingCode LintingCode QualityCode lintingDashDash frameworkDocumentationFlaskFront End DevelopmentFront-end DevelopmentFrontend DevelopmentIntegration TestingJavaScript
Repositories Contributed To
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