A Critical Review of Adaptive Penalty Techniques in Evolutionary Computation -- Ruggedness Quantifying for Constrained Continuous Fitness Landscapes -- Trust Regions in Surrogate-Assisted Evolutionary Programming for Constrained Expensive Black-Box Optimization -- Ephemeral Resource Constraints in Optimization -- Incremental Approximation Models for Constrained Evolutionary Optimization -- Efficient Constrained Optimization by the ε Constrained Differential Evolution with Rough Approximation -- Analyzing the Behaviour of Multi-Recombinative Evolution Strategies Applied to a Conically Constrained Problem -- Locating Potentially Disjoint Feasible Regions of a Search Space with a Particle Swarm Optimizer -- Ensemble of Constraint Handling Techniques for Single Objective Constrained Optimization -- Evolutionary Constrained Optimization: A Hybrid Approach.