v2.4.1

• fix duplicate symbols (@sandeepmistry)

v2.4.0

• updated lwmqtt to fix not initialized return code
• retain will topic and payload
• inlined system functions
• treat zero return code from net->connect() as an error
• added skip option to allow establishing network connections manually

v2.3.3

• duplicate hostnames to fix issues with pointers that go away

v2.3.2

• annotated keepAlive interval unit @MajorBreakfast
• document that setWill() only works if it is called before connect() @MajorBreakfast
• make connection closing more explicit
• updated lwmqtt
• renamed secure examples

v2.3.1

• changed boolean to bool (#99 by @Rotzbua)
• added main MQTT.h header file (#102 by @sandeepmistry)
• updated examples to not rely on Arduinos forward declaration generation

v2.3.0

• fixed some compiler warnings (#92, #97)
• added examples for the Arduino MKR GSM 1400 boards (#98)

v2.2.2

• allow connecting with only a username (#90)

v2.2.1

• updated lwmqtt (fixes wrong qos flow)

v2.2.0

• lower default keep alive to 10s
• updated to latest lwmqtt (introduces some fixes for keep alive issues)
• simplify callback handling (fixed a bug due to msg.payload beeing sometimes NULL)
• close a left open connection on a new connection attempt
• small code cleanups and refactorings

v2.1.4

• fixed an integer overflow bug on 16bit platforms