# Forward Compatibility / Strong Validation

> "forward-compatibility" (contracts-core layer) is traded against "Strong Validation" (contracts-core layer) — a principle cannot be scope-separated from a quality, metric, or cost it competes with; resolve by measuring "Strong Validation" and choosing an explicit operating point.

Record: `tension:forward-compatibility-strong-validation`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-forward-compatibility-strong-validation

## tensions-with

- [Forward Compatibility](https://banes-lab.com/records/arch/forward-compatibility.md)
- [Strong Validation](https://banes-lab.com/records/lex/strong-validation.md)