v2.30.5 - improved nullable support

Allow nullable fields to be decoded to non-pointer types.
Enabled via configuration option UnionNullValueAsZero.

v2.30.4 Protobuf oneof fixes

More fixes for Protobuf oneof fields, specifically when multiple structs appear in a oneof.

Full Changelog: v2.30.3...v2.30.4

v2.30.3 Protobuf support fixes

Fixes for protobuf support.

Full Changelog: v2.30.2...v2.30.3

v2.30.2 - Protobuf support

Adds protocol buffer support.

Add custom marshalers

Add support for custom struct marshaling.