3.1.0

Features

• add callback for offset_commit (RdKafka\Conf::setOffsetCommitCb) and consume (RdKafka\Conf::setConsumeCb) (#155)
• add support for message headers (RdKafka\ProducerTopic::producev) for Kafka >= 0.11.0.0 and librdkafka >= 0.11.4 (#206)
• get committed offsets (RdKafka\KafkaConsumer::getCommittedOffsets) (#208)

Enhancements

• RdKafka\ProducerTopic::produce - allow payload or key to be null (#179)
• RdKafka\Message::errstr - prefer readable error over message payload (#181)

Fixes

• fix arginfo of RdKafka\TopicConf::set (#188)
• multiple code example fixes (#193, #203)
• Parse message headers only on non error (#207)