EMQ X 4.3.10 is released now, it mainly includes the following changes:

Bug fixes (Important):

• Fix STOMP gateway live-upgrade failure

  Github PR: emqx#6110

• Fix the issue that emqx cannot start after updating the listener configuration through Dashboard

  Github PR: emqx#6121

Enhancement:

• Introduced pushback for MQTT clients

  Github PR: emqx#6065