February 2026 monthly summary for Fusion-Power-Plant-Framework/bluemira: Delivered a critical bug fix improving Flux Surface Intersection validation and calculation accuracy, with validation tests added to prevent regressions. This work strengthens reliability of flux surface computations for design and simulation workflows.

In December 2025, completed a targeted feature enhancement in Fusion-Power-Plant-Framework/bluemira that improves flux surface analysis accuracy and maintainability. Implemented a generalized x-point check within the Flux Surface Finder and refined tangent-line intersection logic. The work included refactoring to reduce code repetition and the introduction of new geometry utilities to support robust calculations. These changes enhance modeling fidelity, reduce future maintenance effort, and enable more reliable design and analysis workflows for engineering teams.

November 2025 | Fusion Power Plant Framework (bluemira) Delivered performance, accuracy, and workflow improvements through focused feature work and refactors across the bluemira repo. Key outcomes include memory footprint optimization in the Circuit model, a more accurate Beta_p profile calculation, and streamlined coilset handling for symmetry and control coil integration. These changes enhance simulation throughput, design reliability, and maintainability, providing a stronger foundation for scalable plasma modeling and coilset optimization.

October 2025 monthly summary for Fusion-Power-Plant-Framework/bluemira: Delivered enhancements to beta_p approximation and associated physics helper functions, leading to improved plasma parameter estimation accuracy and robustness. The work included refactoring of beta_p calculations for clarity, expanded documentation, and the introduction of physics calculation utilities to streamline future modeling tasks within bluemira. Commit 41c76eca57fa4cf91d2a166693d528f0b5602f02 ("Beta_p approximation caution (#4090)") anchors the changes. No major bug fixes were required this month; focus was on feature enhancement, reliability, and developer experience.

July 2025: Focused on documentation quality and developer usability in Fusion-Power-Plant-Framework/bluemira. Delivered Radiation Transport Tools Documentation Enhancements by enriching docstrings, clarifying units, and detailing parameters/return values in radiation_tools.py, improving usability for developers and users. The change is tracked in commit dbf2a17367b2869007d4abad97f55c12840afcf9 with message 'More information added to radiation tools docstrings (#4018)'. Impact: faster onboarding, reduced ambiguity in radiation tool usage, and a solid baseline for future API improvements. No major bugs fixed this month; ongoing work on documentation consistency and future enhancements.

Monthly performance summary for 2025-06 focusing on business value and technical achievements in Fusion-Power-Plant-Framework/bluemira. Delivered two high-impact changes: (1) Radiation Transport Plotting Improvements: refactored plotting logic, renamed the debug parameter to plot, removed unused variables, and separated plotting into a dedicated method to improve usability and readability; (2) Coilset Symmetrization Correctness Bug Fix: corrected handling of singular coils, enhanced _get_symmetric_coils to return coil indices, and added optional singular-coil symmetrization in symmetrise_coilset; updated tests and examples. Result: more reliable radiation transport visualization, robust coilset symmetry calculations, and clearer APIs. Tech stack and practices demonstrated include Python refactoring, test/CI hygiene, and Git-based change management.

May 2025 performance summary for Fusion-Power-Plant-Framework/bluemira: Delivered a new Coilset Visualization Notebook and supporting Python tooling to visualize coilsets across multiple devices, addressed plotting reliability by fixing overplotting and correcting axis titles, and completed comprehensive documentation hygiene improvements. These efforts reduce time to insight for coil configuration analysis and improve maintainability of the visualization stack, aligning with business goals of faster, more reliable equilibria assessments across devices such as Single Null, Double Null, MAST-U, and ITER.

February 2025 monthly summary for Fusion-Power-Plant-Framework/bluemira. Focused on code hygiene improvements with no functional changes. Updated a code comment from TODO to NOTE to reflect a change in task tracking; this non-functional change improves maintainability and developer clarity. The change was implemented via commit 53484e0fca724152b35c730b170336b27a549747 and aligns with ticket #3815.

January 2025 monthly summary for Fusion-Power-Plant-Framework/bluemira and ukaea/PROCESS. Focused on delivering new capabilities, hardening numerical robustness, and standardizing environments to drive business value and maintainability. Highlights include: - Flux surface-based connection length calculation: adds psi-norm (div_norm_psi) option with precedence over div_target_start_point, plus error handling for invalid inputs; tests updated. - Robust gradient calculations for coil field and PF/CS force constraints: derivative computations refactored for robustness and accuracy; tests updated. - Plotting options improvements and tests: fixes to outdated options, updated plotting logic, and validation tests for plotting behavior. - Across PROCESS: standardization of NumPy usage and RNG control using numpy.random.default_rng and a consistent import alias; Ruff lint rules introduced to enforce NumPy best practices. These changes improve simulation accuracy, reproducibility, and maintainability; tests expanded to cover corrected gradients and plotting behavior; linting helps prevent regressions.

December 2024 monthly summary for Fusion-Power-Plant-Framework/bluemira: Delivered validation-focused enhancements in the equilibria module and reinforced input handling, translating into higher reliability, safer coil control behavior, and reduced runtime risk.