The 5th workshop Developments in Combinatorics will be held offline from October 31 to November 3, 2025. DC 2025 will bring together leading minds in combinatorics to showcase the latest breakthroughs, spark collaborative discussions, and open new directions of research. Covering topics from extremal and probabilistic combinatorics to graph theory, discrete geometry, and combinatorial number theory, the conference offers a vibrant platform to connect ideas and inspire future discoveries.