Release Notes

Version 0.3.9 (Latest)

Release Date: May 2026

Bruker loader refactor (cyclomatic complexity 60 and 89 split into small private helpers), full type annotations on eprload(), explicit imports in epyr/__init__.py, NumPy docstrings with worked examples on 53% of the public API, and tooling fixes (make format and make quality-fix both return 0). See Version 0.3.9.

Version 0.3.8

Release Date: April 2026

Documentation-quality release with a fitting-module refactor and CLI output fixes. epyr.lineshapes.fitting split into focused private helpers; public API unchanged. See Version 0.3.8.

Version 0.3.6

Release Date: February 2026

Maintenance release: dead-code removal, test-API alignment with the lineshape refactor, plot_2d_waterfall clip_factor option, and .flake8 tuning. See Version 0.3.6.

Version 0.3.5

Release Date: February 2026

Analytical Voigt derivatives via Faddeeva-function identities, pseudo-Voigt derivative and phase support, matplotlib 3.8+ compatibility for plot_2d_map and vmin/vmax color scale control. See Version 0.3.5.

Previous Versions

Version 0.3.1

Automatic file extension detection for EPR data loading
Affine baseline fitting option in fit_epr_signal()
Fixed filename parsing for files with multiple dots

Version 0.3.0

Migrated 398 print statements to centralized logging system
Structured logging infrastructure across 18 core modules

Version 0.2.x

Stable core functionality with validated test suite
FAIR data conversion with 235+ parameter mappings
2D FFT analysis module
return_type parameter in eprload()

For complete details, see EPyR Tools v0.2.0 Release Notes.

Version 0.1.x

Early development versions focusing on core EPR data loading and basic analysis capabilities.

Initial Bruker file format support
Basic plotting functionality
Foundation plugin architecture
Early FAIR data conversion