v2.5.2

• fixed integer casting issue
• added methods to support QoS1/2 retry logic
• added two value constructor to specify buffer sizes separately
• documented arbitrary publish payload size
• added method to obtain whether a session was present
• support passwords with empty usernames
• support dropping overflowing messages
• updated lwmqtt

v2.5.1

• increased delay during network read

v2.5.0

• timer rollover prevention (@drzony)
• lambda based callbacks (@drzony)
• small fixes

v2.4.8

• added note about deadlock to all examples
• added single option setters
• fixed some IDE warnings
• updated lwmqtt_client_t initialization (@amarkevich)
• ip address support (@TMRh20)

v2.4.7

• use zero ms delay

v2.4.6

• fixed failed read bug (#182)

v2.4.5

• fixed regression

v2.4.4

• fixed esp8266 example and added note about TLS verification
• added early detection of closed stream in lwmqtt_arduino_network_read (@dzindra)
• properly set lastError value after failed connect (@luffykesh)
• use the provided keep alive as defined by the spec (@luffykesh)
• added ref property

v2.4.3

• moved implementation to cpp file
• added setClockSource to enable a custom clock source for deep sleep applications (thanks @jmpmscorp)
• updated lwmqtt (fixes a potential integer overflow)

v2.4.2

• properly pass skip parameter in connect calls (thanks @dzindra)