MDS ( metadata ) customizations written to the store but does not apply to components when the user comes back to the page in ADF.

Just noticed the below in ADF 11.1.1.*.
ADF MDS customizations are not applied to components but written to store when we have the below snippet in web.xml.
<servlet>
<servlet-name>jsp</servlet-name>
<servlet-class>oracle.jsp.runtimev2.JspServlet</servlet-class>
</servlet>