# Backward Compatibility / Cleanup / Simplification

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

Record: `tension:backward-compatibility-cleanup-simplification`
Kind: tension
Canonical: https://banes-lab.com/ontology/schema#tension-backward-compatibility-cleanup-simplification

## tensions-with

- [Backward Compatibility](https://banes-lab.com/records/arch/backward-compatibility.md)
- [Cleanup / Simplification](https://banes-lab.com/records/lex/cleanup-simplification.md)