June 2026 — powsybl-network-viewer: Delivered a targeted UI improvement in the Diagram Viewer with adaptive zoom and updated header handling, complemented by a focused bug fix. The changes enhance usability of the network area diagram when zoomed, aligning with user workflows and reducing misinterpretation of headers in compact views.

May 2026 performance summary for powsybl-network-viewer: Focused on delivering a robust NAD Viewer upgrade to support Powsybl diagram v5.3.0 and improving edge information rendering and UI interactions. Key work included upgrading NAD Viewer for 5.3.0 compatibility with enhanced text node movement/creation and double-arrow support, plus edge info components for node movement and adaptive zoom. Generalized loading of component libraries to enable swapping libraries and added tests for component utilities. In addition, fixed edge metadata update flow and label rendering in the Network Area Diagram Viewer, addressing setBranchStates and edge info side label classes to improve rendering reliability. These changes reduce misrendering risk, improve user experience, and ease future library updates.

2026-04 Monthly summary for powsybl-network-viewer: Delivered Adaptive Zoom with Dynamic Side Labels in Nad-Viewer, refined UI clarity for large network diagrams, and reduced cognitive complexity for maintainability. No major bugs fixed this month; stability maintained during feature rollout. Impact: clearer diagrams leading to faster interpretation by operators, improved developer productivity through refactoring, and a solid foundation for future enhancements. Technologies/skills demonstrated: UI/UX data visualization, frontend architecture, code refactoring, and strong Git traceability through a focused commit.

March 2026 monthly summary for powsybl-network-viewer: Delivered rendering enhancements for network area diagrams, including correct redraw of parallel edges to avoid overlap and improved side-label redraw when nodes move. These changes increase diagram fidelity, reduce misalignment, and improve user confidence during analysis. The work is documented with commits a9f7bf482c7132dac7f84ce69086456f1b4984cc and 455dd2da54ab58571289c9f9f687aacc7dbb1302.

Month: 2025-12 — Concise monthly summary focusing on business value and technical achievements for the powsybl-network-viewer NAD viewer. Delivered stability improvements, refactor, and visual enhancements, with emphasis on reliability for loop-edge redraws and improved diagram aesthetics. Introduced modular utilities to improve maintainability and prepared the codebase for future features. Enabled line bending with refined conditions to increase visual accuracy and presentation quality.

Monthly performance summary for 2025-11 focused on the powsybl-network-viewer repo. Highlights include enhancements to the NAD viewer, robust path generation for buses, and improvements in maintainability and tests. These changes deliver tangible business value by improving visualization accuracy, editing efficiency, and overall reliability in network analysis.

June 2025: NAD Viewer visualization fix for three-winding transformers with phase tap changer. Refactored edge drawing logic to correctly identify and render these transformer types, and added a new SVG path visual indicator to improve clarity. Change linked to commit 2fc8a9cdd575b7ef28e2d30e4178749466526d46, titled 'Fix moving of three windings transformers with phase tap changer in NAD viewer (#200)'.

March 2025 (2025-03) monthly summary for powsybl-network-viewer: Delivered the Network Area Diagram Viewer Export and Screenshot feature. Implemented export to SVG/PNG and screenshot capture, with new UI buttons and robust save/screenshot logic. This enables stakeholders to save, share, and document network diagrams directly from the viewer, improving reporting and collaboration. Commits reference: 3238b8c2b4f0037f93ad49b7f29e8b7b39016135 ('Add save SVG/PNG and screenshot buttons in network area diagram (#184)'). Why it matters: reduces manual steps, accelerates decision making, and improves reproducibility of network diagrams in reviews and incidents.

February 2025 (Month: 2025-02) – powsybl-network-viewer: Focused on improving NAD Viewer usability and layout through targeted UI enhancements and reliable zoom functionality. The work is aligned with reducing analyst effort in inspecting network diagrams and enabling faster data-driven decisions.

January 2025: Focused on advancing NAD Viewer in powsybl-network-viewer with a set of user experience enhancements, API improvements, and demo integrations that unlock broader network visualization capabilities and faster onboarding for new demos. Delivered PEGASE network integration into the NAD viewer demo, expanded SVG/metadata access, and strengthened interaction patterns for end users. Also performed targeted cleanup to improve maintainability and reduce styling fragility in SVG demos.

December 2024 focused on delivering network diagram accuracy improvements and stabilizing the NAD viewer across the diagram suite. Key work includes enabling JSON-driven layout positioning and fictitious node support in Network Area Diagrams, plus fixes to ensure correct visualization of fictitious nodes in the NAD viewer. The work improves diagram fidelity, customization capabilities, and overall UX for network visualization, with clear commit traceability.

In 2024-11, delivered targeted frontend enhancements and fixes for the NAD diagram viewer in the powsybl-network-viewer, emphasizing UX improvements, maintainability, bug resolution, and test coverage. The work enhances business value by ensuring accurate rendering and intuitive interaction even when data is sparse, while reducing regression risk through unit tests and architectural cleanup.

Month 2024-10: Key delivery in powsybl-network-viewer focused on configuration modularity and maintainability. Implemented JSON-based externalization of network area diagram metadata, decoupling data from SVG for easier updates and configuration management. This reduces hit surface for changes to visuals and enables quicker iteration of network diagrams. No major bug fixes reported this month.

In August 2024, delivered metadata-driven enhancements to the Network Area Diagram Viewer in powsybl-network-viewer, improving diagram accuracy and configurability through metadata-driven layout parameters and explicit text node movement tracking. This work directly enhances end-user experience by enabling runtime appearance configuration and preserving precise node positions during interactions.