Re: [w3ctag/design-reviews] WG Revision: SHACL 1.2 Core (Issue #1166)

csarven left a comment (w3ctag/design-reviews#1166)

The TAG thanks the Data Shapes WG for requesting this review.

The TAG recommends the following:

The Derived Properties feature description mentions that it introduces its own inferencing and reasoning capabilities. The specification's [Relationship between SHACL and RDFS inferencing](https://w3c.github.io/data-shapes/shacl12-core/#shacl-rdfs) seems to clarify that SHACL delegates reasoning to external entailment regimes via sh:entailment. We suggest that the summary is revised to avoid giving the impression that SHACL defines new semantics or hidden inferencing.

SHACL 1.2 Core specifies that entailment support is optional and that processors must signal failure when encountering an unrecognised entailment. Could this affect deployment or interoperability across the ecosystem?

This review reflects the TAG's current assessment to support the WG's next steps.

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Received on Thursday, 22 January 2026 09:38:17 UTC