Invited Papers -- Semiperfect-Information Games -- Computational Complexity Since 1980 -- Developments in Data Structure Research During the First 25 Years of FSTTCS -- Inference Systems for Logical Algorithms -- From Logic to Games -- Proving Lower Bounds Via Pseudo-random Generators -- Erd?s Magic -- Contributed Papers -- No Coreset, No Cry: II -- Improved Bounds on the Union Complexity of Fa…