Support for [rpcv2Cbor](https://smithy.io/2.0/additional-specs/protocols/smithy-rpc-v2.html) has been added, allowing services to serialize RPC payloads as CBOR (Concise Binary Object Representation), improving performance and efficiency in data transmission.
Support for the [rpcv2Cbor](https://smithy.io/2.0/additional-specs/protocols/smithy-rpc-v2.html)protocol has been added, allowing services to serialize RPC payloads as CBOR (Concise Binary Object Representation), improving performance and efficiency in data transmission.