#) Encoding is focused on writing to streams. For memory buffers only it could be made more efficient.
#) The deprecated Protocol Buffers feature called "groups" is not supported.
#) Fields in the generated structs are ordered by the tag number, instead of the natural ordering in .proto file.
#) Unknown fields are not preserved when decoding and re-encoding a message.
#) Reflection (runtime introspection) is not supported. E.g. you can't request a field by giving its name in a string.
#) Numeric arrays are always encoded as packed, even if not marked as packed in .proto. This causes incompatibility with decoders that do not support packed format.
#) Encoding is focused on writing to streams. For memory buffers only it could be made more efficient.
#) The deprecated Protocol Buffers feature called "groups" is not supported.
#) Fields in the generated structs are ordered by the tag number, instead of the natural ordering in .proto file.
#) Unknown fields are not preserved when decoding and re-encoding a message.
#) Reflection (runtime introspection) is not supported. E.g. you can't request a field by giving its name in a string.
#) Numeric arrays are always encoded as packed, even if not marked as packed in .proto. This causes incompatibility with decoders that do not support packed format.