v1.5.3

• re-enable CI workflow
• fix possible import error (libcholmod.so) by fixing suitesparse version
• support for numpy v2.x
• new inversion classes InversionBase, InversionGaussNewton etc. (not yet default)
• add recursive BFGS and L-BFGS matrices
• enable fop.STy to avoid Jacobian for gradient-based inversions
• add lamFactor and minLambda properties for decreasing lambda values
• fix and simplify some examples
• improved string representations of Trans classes
• ERTIPManager.invIP class available
• new reciprocal data analysis example
• add complex-valued ERT/IP inversion
• allow Mesh.show("property") with possible factor=
• add general column-based import for traveltime data
• add 2024 references to bib database
• update Borehole(s) classes
• add showERTData(equidistant=True/False)
• improve data representation for CrossholeERT
• improved docstrings of several functions
• TimelapseERT.automask for outlier detection
• TimelapseERT.TimelinePDF
• fix some bugs and updates to modern scipy functions