EMQ X 4.2.13 is released now, it mainly includes the following changes:

emqx

Bug fixes:

• Fix the issue that messages may be lost after canceling the subscription when multiple shared subscriptions are established by the same client

  GitHub PR: emqx#5104

emqx-auth-http

Bug fixes:

• Fix the issue of printing crash log after request timeout

  GitHub PR: emqx-auth-http#263

• Support Query String Parameters

  GitHub PR: emqx-auth-http#264

emqx-web-hook

Bug fixes:

• Support Query String Parameters

  GitHub PR: emqx-web-hook#284