Release v1.4.0 with Meiss-Hazeltine canonical coordinates and batch spline optimization Tagged commit date: 2024-09-05 Branch: release/1.4 Major Features Canonical Coordinates Meiss-Hazeltine coordinates for tokamak perturbations Albert canonical coordinates for alternative formulation Complete field evaluation system for new coordinate types Performance Optimization Batch spline optimization system 2.86x performance improvement in field evaluations Efficient batch processing across all field types Code Quality Comprehensive unit test coverage Timing diagnostics for execution profiling GVEC field integration for advanced applications Extensive refactoring and modernization Configuration Compatibility Fully backward compatible with v1.3 - existing simple.in files work without modification. Documentation Coordinate systems overview in DOC/coordinates-and-fields.md Batch spline implementation details in BATCH_SPLINES_IMPLEMENTATION.md Design documentation in DESIGN.md