Version 0.0.6

• Added support for publishing and subscribing with QoS 1
• Added support for reading from a file using -f
• Added support for reading from STDIN using -s
• Added support for publishing one message per line using -l
• Added support for subscribing to multiple topics
• Added timeout when waiting for packets
• Made Keep Alive configurable in mqtt-sn-pub
• Changed default keep alive for mqtt-sn-pub to 10 seconds
• Fix for displaying IPv6 addresses
• Improved debug error messages when connecting fails

Version 0.0.5

• Added extensive test suite written in Ruby
• Added return code strings to packet dump output
• Display when connecting and disconnecting starts.
• Changed error messages that aren't fatal to warnings
• Added signal handling to mqtt-sn-dump
• Fix to ensure that packet data structures are set to 0 before use
• Added mqtt-sn-dump tool
• Added debug of source IP and port when receiving a packet
• Implemented setting the Clean Session flag
• Fix for subscribing to short/predefined topics
• New command line option -V to display current time and the topic name in verbose mode.
• Added install and uninstall targets to the Makefile
• Added Forwarder Encapsulation support
• Added current time and log level to log messages
• Wait for disconnect acknowledge into mqtt-sn-pub and mqtt-sn-sub.
• Display string, not hex for unexpected packet type
• Fixed incorrect pointer handling in mqtt-sn-sub

Version 0.0.4

• Changed license to MIT
• Added mqtt-sn-serial-bridge
• Simplified the Makefile
• Improvements to cope with multiple packets received in close succession

Version 0.0.3

• Added BSD 2-Clause License
• Renamed 'Unsupported Features' to limitations.
• Added checks to make sure various strings aren’t too long
• Corrected the maximum length of a MQTT-SN packet (in this tool)
• Added support for displaying short and pre-defined topic types in verbose mode
• Added support for pre-defined Topic IDs in the subscribing client (note that this is untested because I don’t have a broker that supports it)
• Added support for displaying topic name for wildcard subscriptions (aka verbose mode)
• Noted that QoS −1 is now supported in the README
• Added support for QoS Level −1 (tested against RSMB)
• Corrected help text for pre-defined topic ID parameter
• Shortened clientid argument help text
• Enabled keep-alive timer in mqtt-sn-pub - will cause sessions to be cleaned up by the broker if client is unexpectedly disconnected

Version 0.0.2

• Renamed from MQTT-S to MQTT-SN to match specification change
• Added support for publishing to short and pre-defined topic ids
• Added setting of QoS flag in matts_send_publish
• Renamed default client id prefix to mqtts-tools-

Version 0.0.1

• Initial Release
• Contains just mqtts-sub and mqtts-pub