Invited papers -- Two sided matching markets with strongly correlated random preferences -- Communicating Finite state machines and an extensible toolchain for multiparty session types -- Contributed papers -- First-Order logic and its Infinitary Quantifier Extensions over Countable Words -- From Symmetry to Asymmetry: Generalizing TSP Approximations by Parametrization -- A Poly-Log Competitive Posted-Price Algorithm for Online Metrical Matching on a Spider -- Computational Complexity of Covering Disconnected Multigraphs -- The Complexity of Bicriteria Tree-depth -- TS-Reconfiguration of Dominating Sets in circle and circular-arc graphs -- Bipartite 3-Regular Counting Problems with Mixed Signs -- The Satisfiability Problem for a Quantitative Fragment of PCTL -- Beyond the BEST Theorem: Fast Assessment of Eulerian Trails -- Regular Model Checking with Regular Relations -- Minimum Consistent Subset of Trees -- Parameterized Complexity of Finding Subgraphs with Hereditary Properties on Hereditary Graph Classes -- The Space Complexity of Sum Labelling -- On Minimizing Regular Expressions Without Kleene Star -- Computational Complexity of Computing a Quasi-Proper Equilibrium -- Computational Complexity of Synchronization under Sparse Regular Constraints -- On Dasgupta's hierarchical clustering objective and its relation to other graph parameter -- Mengerian Temporal Graphs Revisited -- Faster FPT Algorithms for Deletion to Pairs of Graph Classes -- Fast Algorithms for the Rooted Triplet Distance Between Caterpillars -- Deciding Top-Down Determinism of Regular Tree Languages -- Propositional Gossip Protocols -- Complexity of word problems for HNN-extensions -- On Finding Separators in Temporal Split and Permutation Graphs -- The Possible Winner Problem with Uncertain Weights Revisited -- Streaming Deletion Problems Parameterized by Vertex Cover -- On the Hardness of the Determinant: Sum of Regular Set-Multilinear Circuits -- Concentration of Collision Estimator -- Valency-based Consensus under Message Adversaries without Limit-Closure. .