Hadronic and radiative decays of light mesons provide a unique laboratory to test low-energy Quantum Chromodynamics and search for new physics beyond the Standard Model. Recent years have brought advances in theoretical and experimental approaches throughout the hadron and particle physics community. New experimental data will soon offer critical input to precisely determine e.g., the light quark mass ratios, meson mixing parameters, and hadronic contributions to the anomalous magnetic moment of the muon. The approaches provide sensitive probes to test potential new physics including searches for hidden photons, light Higgs scalars, and axion-like particles that are complementary to worldwide efforts to detect new light particles below the GeV mass scale, as well as tests of discrete symmetry violation. Experts and respective communities will discuss updates on theoretical developments, experimental strategies, and identify further research.
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