Our critical review, “Molten Salt Hydrates: Innovative and Versatile Solvent Systems for Lignocellulosic Biomass Processing and Valorization,” was published in Green Chemistry and selected as the journal’s cover feature. The review comprehensively examines recent progress in applying molten salt hydrates to lignocellulosic biomass processing and valorization, highlighting major advances made by our group alongside contributions from researchers worldwide. It provides critical insights into the versatility, advantages, and future potential of these innovative solvent systems for sustainable biorefinery applications. Green Chemistry, 2026, 28, 11975–12011. https://doi.org/10.1039/d6gc01266c