Author(s) and publish date Published: 2 July 2026 The Data Shapes Working Group has published today a First Public Working Draft of SHACL 1.2 Profiling. SHACL, the Shapes Constraint Language, is a language for describing the structure of RDF graphs. SHACL may be used for a variety of purposes such as validating, inferencing, modeling domains, generating ontologies to inform other agents, building user interfaces, generating code, and integrating data.