An open access review that potentially could be of interest to some members on the forum, especially those that are interested in force fields, force field types and design, implementation (gradients, second derivatives, strain derivatives), Ewald summation, polarization, optimization, parameterization, Machine Learning, and General-Purpose GPU computing:
https://onlinelibrary.wiley.com/doi/10.1002/adts.201900135 (https://onlinelibrary.wiley.com/doi/10.1002/adts.201900135)