Schema Evolution & Versioning

Changing a shared schema without breaking every downstream consumer that depends on it.

Read

34 min

Practice MCQs

25

Interview QA

25

Edition

v4

Editorial status

Reviewed

Relevant for

Data Architect

Scope: Apache Avro and Iceberg current specifications, Protobuf edition 2024 guidance, Confluent Schema Registry current compatibility modes, Delta Lake protocol, PostgreSQL 18, JSON Schema 2020-12, OpenAPI 3.1.1, and Parquet logical types current 2026-08-31.