v0.9.0

• renamed connect options and changed publish signature
• renamed connect options initializer
• make connect options optional and a pointer
• moved return code to connect options
• moved return code to connect options
• correct session present bit location
• removed leftover dup flag from acks

v0.8.0

• support arbitrary payload sizes by sending them directly
• write empty username if only password is present
• introduce lwmqtt_publish_options_t
• improved unix networking code and renamed to posix

v0.7.0

• broker should compensate keep alive
• small fixes
• clarify sending of too big messages
• allow client to drop packets that would overflow
• use new shiftr.io public instance for tests

v0.6.4

• fixed potential integer overflow

v0.6.3

• prevent counting down if error is EAGAIN (UNIX)

v0.6.2

• properly initialize return code

v0.6.1

• added docs on error handling
• example: peek after select to only yield if data is really available
• added pio config
• fixed wrong connect flags: discovered by @mattiabertorello: 256dpi/arduino-mqtt#108

v0.6.0

• clarified keep alive call rate
• added unix select function
• added async example
• clarified multi threaded application usage

v0.5.6

• fixed qos flows

v0.5.5

• fixed compiler warning