For now, we can't suppor ser/de bytes-like type well because need some fix/feature provided by avro-rust: uuid, bytes, fixed, decimal - [x] support bytes, fixed, decimal(https://github.com/apache/avro/pull/2567) - [] support custom logical type: uuid I'm working on them and once I implemented them all, we can introduce the new version of avro to complete them.