chore: add changelog.md

changlog.md

@@ -0,0 +1,11 @@
+# 1.7.0
+
+## Enhancements
+
+* Added `publish_async` APIs to support asynchronous publishing. [#165](https://github.com/emqx/emqtt/pull/165)
+  Note that an incompatible update has been included, where the return format
+  of the `publish` function has been changed to `ok | {ok, publish_reply()} | {error, Reason}`
+
+## Bug fixes
+
+* Fixed inflight message retry after reconnect [#166](https://github.com/emqx/emqtt/pull/166)

src/emqtt.erl

@@ -828,7 +828,7 @@ mqtt_connect(State = #state{clientid    = ClientId,
                                  username     = Username,
                                  password     = Password}), State).
 
-reconnect(state_timeout,  NextTimeout, #state{conn_mod = CMod} = State) ->
+reconnect(state_timeout, NextTimeout, #state{conn_mod = CMod} = State) ->
     case do_connect(CMod, State#state{clean_start = false}) of
         {ok, #state{connect_timeout = Timeout} = NewState} ->
             {next_state, waiting_for_connack, NewState, [Timeout]};