After the fix of ZK-2473. The following sample cannot get the param by Execution.getParameter(), Execution.getArg() or Execution.getAttribute() anymore.

<zk>
    <include src="include.zul?param=value" mode="auto" />
</zk>

This should either being treated as defer mode that the parameter can be retrieved by Execution.getParameter() or still remaining treated as instant mode but transfer parameters into arguments that the parameter can be retrieved by Execution.getArg() in Include.java#488.

Workaround: pass the parameter with argument.

<include src="include.zul" param="value"/>