- Improved Getting Started Guide with a new interface of providing functions instead of implementing the problem class
- New Algorithm: PSO for single-objective problems
- New Loop-wise Execution: The algorithm object can be used directly by calling its next method
- New Tutorial: An implementation of checkpoints to resume runs
- New Test Problems Suites (Constrained): DAS-CMOP and MW (contributed by cyrilpic)
- New Operators for Permutations: OrderCrossover and InversionMutation and usage to optimize routes for the TSP and Flowshop problem (contributed by Peng-YM )
- New Crossover: Parent Centric Crossover (PCX) which is known to work well on problems where some variables have dependencies on each other
- Bugfix: Remove evaluation calls in Problem class during print