New and Improved Features:
Derive theAccelSeries from theDispSeries in GroundMotion, Yuli Huang, #1557
Adding VTK_HDF recorder for OpenSees, Amin Packzad, #1561
Equation Constraint, Yuli Huang, #1609
Adding LinearElasticGGmax, Pedro Arduino, #1668
Adding Equivalent Linear material, Pedro Arduino, #1667
Adding CreepShrinkageACI209 uniaxial material, Javad Esmaeelpour, #1656
Adding LAPACK dsygvx Eigenvalue Solver, Micheal Scott, #1660
Distributed Moments as eleLoad for 2d Elastic, Displacement & Force beam Columns, Micheal Scott, #1650
Adding ASDSteel1D material, Alessia Casalucci, #1643
Revised Geometric Transformations, Claudio Perez, #1628
Surface load work for Shell Elements, Micheal Scott, #1634
Significant update to HystereticSM material, Silvia Mazzoni, #1706 and 1699
New Explicit Integrators, Jose Abell, #1696
Add PythonSparse Interface for Python-based linear and eigen solvers, Gustavo A. Araújo, #1676
Significant Updates to ASDPlasticMaterial3D, Jose Abell, #1689
Minor Fixes:
Many see: https://github.com/OpenSees/OpenSees/pulls?page=1&q=is%3Apr+is%3Aclosed