# Schema Evolution

> The ability to change a data schema over time without breaking existing readers or writers.

Record: `lex:schema-evolution`
Kind: capability
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-schema-evolution

## category

- [Contracts / Interfaces / Compatibility](https://banes-lab.com/records/lex-category/contracts-interfaces-compatibility.md)

## referenced-by

- [Data Contract](https://banes-lab.com/records/arch/data-contract.md)