# Proprietary Drift

> Extending a standard protocol with proprietary features until it no longer interoperates with others.

Record: `lexicon:proprietary-drift`
Kind: anti-pattern
Layer: [Contracts Core](https://banes-lab.com/records/layer/contracts-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-proprietary-drift

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Proprietary Coupling](https://banes-lab.com/records/lexicon/proprietary-coupling.md) and before [Silent Breaking Changes](https://banes-lab.com/records/lexicon/silent-breaking-changes.md).

## Category

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

## Negated by

- [Protocol Compatibility](https://banes-lab.com/records/architecture/protocol-compatibility.md)

## Linked from

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