broker 4.3.15 更新日志

Add more time transformation functions to the SQL of rule engine
Add the float2str/2 function to the SQL of rule engine to support specifying the output precision of floating point numbers
Support for using JWT for authorization, now MQTT clients can authorize using specific claims that include a pub-sub whitelist
Improved authentication related metrics to make it easier to understand, now client.authenticate = client.auth.success + client.auth.failure
Support binding the listener of the REST API to a specified network interface
Support multi-condition query and fuzzy query for user data in authentication and authorization using built-in database as data source
Supports querying clients using the length of the message queue and the number of dropped messages as conditions
Support to configure the log time format to be compatible with the time format in older versions
When use_username_as_clientid is configured to true and the client connects without specifying a username, the connection is now rejected with a reason code 0x85
Full randomisation of app secrets (previously partially randomised)
Hot upgrades between incompatible versions will now be rejected
Allow white spaces in EMQX's installation path
Boot script fail fast on invalid node name (improve error message readability)

Fix the issue that rule engine's SQL function hexstr_to_bin/1 could not handle half-byte
Fix the issue that the alarm was not cleared when the rule engine resource was deleted
Fix Dashboard HTTPS listener's verify option not taking effect
Fix the issue that messages were lost when the peer session was terminated during the delivery of QoS 1 messages through shared subscriptions
Fix the issue that when the log tracer encounters large packets, the heap size grows too fast and triggers the policy of forcibly closeing the connection process
Fix the issue that the MQTT-SN client would be disconnected when retransmitting QoS 2 messages
Fix the issue that the returned results did not match the query conditions when querying subscriptions with multiple conditions
Fix rule engine resource connection test not working
Fix multiple Dashboard display issues