The MQTT transport connectivity plug-in now supports client-side TLS. For this purpose, the following new authentication options can be specified in the YAML configuration file: certificateFile, certificatePassword and privateKeyFile. For more information, see Configuring the connection to MQTT.

The Kafka transport connectivity plug-in now uses the Kafka default value for max.block.ms instead of the custom value (2147483647) that was used in previous versions. See also Configuring the connection to Kafka (dynamicChainManagers).

The Classifier codec now supports regular expressions. For more information, see The Classifier codec connectivity plug-in.