EMQ X 4.1.2 is released now, it mainly includes the following changes:
emqx
Bug fixes:
Fix the issue that the topic alias is not used to replace the topic
Github PR: emqx/emqx#3616
Fix the issue that some operations take up too much CPU
Github PR: emqx/emqx#3581
emqx-rel
Bug fixes:
Fix the issue that the console no longer outputs the log after the log is filled with all log files when running emqx by docker
Github PR: emqx/emqx-rel#559