Invited Talks -- What Is a Good Process Semantics? -- Refunctionalization at Work -- Aspects and Data Refinement -- Contributed Papers -- Towards Generic Programming with Sized Types -- Relational Semantics for Higher-Order Programs -- Proofs of Randomized Algorithms in Coq -- Exercises in Quantifier Manipulation -- Improving Saddleback Search: A Lesson in Algorithm Design -- Loopless Functional Algorithms -- Compositional Reasoning for Pointer Structures -- Progress in Deriving Concurrent Programs: Emphasizing the Role of Stable Guards -- Fission for Program Comprehension -- “Scrap Your Boilerplate” Revolutions -- Generic Views on Data Types -- Recursion Schemes for Dynamic Programming -- Bimonadic Semantics for Basic Pattern Matching Calculi -- Nondeterministic Folds -- A Datastructure for Iterated Powers -- Continuous Action System Refinement -- The Linear Algebra of UTP -- The Shadow Knows: Refinement of Ignorance in Sequential Programs -- Swapping Arguments and Results of Recursive Functions -- Refinement Algebra with Operators for Enabledness and Termination -- Constructing Rewrite-Based Decision Procedures for Embeddings and Termination -- Quantum Predicative Programming.