The latest version of LwM2M v1.1 has introduced several enhancements such as: support of PKI deployments; support for LwM2s over TCP/TLS to better support firewall and NAT Traversal; support of LwM2M over Low Power WANs (3GPP CIoT & LoRaWAN); support for JSON using SenML with CBOR serialization; support of application layer security for LwM2M based on OSCORE and other features.

LwM2M v1.1 Resource Links