Supports searching and paging of rules in rule engine
Provides CLI ./bin/emqx check_conf to actively check if the configuration is correct
Optimizing Shared Subscription Performance
Bug fixes
Fix the issue that once the old version of EMQX is uninstalled after hot upgrade, EMQX will not be able to start again
Fix the issue that the keep-alive check for UDP clients in the Multilingual Protocol Extension was incorrect, causing clients not to expire
Fix the issue that the client information in the Multilingual Protocol Extension was not updated in time
Fix the issue that when the client specified Clean Session as false to reconnect, the shared subscription message in the flight window would be re-dispatched to the old session process
Fix the issue that the emqx_lua_hook plugin cannot cancel the message publishing