API changes:
- MG_ENABLE_CALLBACK_USERDATA - if set, changes signature of event handler function to include user_data argument. Disabled by default for now, in the future this will become the default.
- mg_set_nameserver() - specify DNS server to use
- mg_assemble_uri() - assemble a URI from parts
- mg_connect_ws() now accepts http:// URLs
Bug fixes:
- Fix parsing of MQTT QoS > 0 PUBLISH messages
- Fix MQTT PUB{ACK,REC,REL,COMP} and UNSUBACK flags
- Properly shut down the SSL connection (send "close notify" TLS message)
- Fix mg_get_http_var() return value
- Fix MQTT handshake; change client protocol to version 3.1.1
- Fix Handling of multiple MQTT messages per RECV event
- Update to make lwip_net_if thread-safe
- Use DhcpNameServer on Windows
- Fix MQTT message parsing issues
- Fix DNS name uncompression that could lead to infinite loop
- Fix WS frame reassembly issues
To contact: send us a message or ask on the developer forum.