I might be missing something, but it seems to me that it has become much harder to send binary CloudEvents with the V2 SDK, unless you happen to be using one of the small number of supported HTTP clients. In V1, I could write this:

Wire<String, String, String> wire = Marshallers.<Map<String, Object>>binary()
        .withEvent(() -> myCloudEvent)
        .marshal();

Then I basica