Editors note; 1. Rigidity of topological entropy of boundary maps associated to Fuchsian groups; 2. Open problems from 2020 vision for dynamics conference in Bedlewo; 3. Flexibility of entropies for piecewise expanding unimodalm maps; 4. Recent results and open questions on pseudo-rotations; 5. SRB and equilibrium measures via dimension theory; 6. Abelian Livshits theorems and geometric applications; 7. A dynamical approach to validated numerics; 8. Non-stationary normal forms for contracting extensions; 9. Survey on entropy-type invariants of sub-exponential growth in dynamical systems; 10. On the smooth realization problem and the AbC method; 11. On some spectral problems in ergodic theory; 12. Area preserving surface diffeomorphisms with polynomial decay of Correlation's are ubiquitous 13. Linear cocycles over hyperbolic systems.