This one-day workshop will gather researchers in polaritonics and related areas. Invited speakers will present recent advances on exciton–polaritons in microcavities and other photonic platforms, including condensation and superfluidity, nonlinear dynamics, polariton lattices and simulators, polariton qubits, topological and spinor fluids, and emerging device concepts. Contributions from adjacent fields—nanophotonics, quantum optics, condensed-matter and semiconductor physics, and quantum technologies—will highlight methods transferable to polariton systems, fostering cross-disciplinary exchange, new collaborations, and a roadmap of open challenges for next-generation polariton science and technology.