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ArduinoJson v6.0.0-beta Release Notes

Release Date: 2018-06-07 // almost 6 years ago
    • ➕ Added DynamicJsonDocument and StaticJsonDocument
    • ➕ Added deserializeJson()
    • ➕ Added serializeJson() and serializeJsonPretty()
    • ➕ Added measureJson() and measureJsonPretty()
    • ➕ Added serializeMsgPack(), deserializeMsgPack() and measureMsgPack() (issue #358)
    • ➕ Added example MsgPackParser.ino (issue #358)
    • ➕ Added support for non zero-terminated strings (issue #704)
    • ✂ Removed JsonBuffer::parseArray(), parseObject() and parse()
    • ✂ Removed JsonBuffer::createArray() and createObject()
    • ✂ Removed printTo() and prettyPrintTo()
    • ✂ Removed measureLength() and measurePrettyLength()
    • ✂ Removed all deprecated features

    BREAKING CHANGES

    Deserialization

    Old code:

    DynamicJsonBuffer jb;
📜 > JsonObject& obj = jb.parseObject(json);
if (obj.success()) {

}

    New code:

    DynamicJsonDocument doc;
DeserializationError error = deserializeJson(doc, json);
if (error) {

}
JsonObject& obj = doc.as<JsonObject>();

    Serialization

    Old code:

    DynamicJsonBuffer jb;
JsonObject& obj = jb.createObject();
obj["key"] = "value";
🖨 > obj.printTo(Serial);

    New code:

    DynamicJsonDocument obj;
JsonObject& obj = doc.to<JsonObject>();
obj["key"] = "value";
serializeJson(doc, Serial);