My issue is resolved now it was the cookie extension which was blocking the beacon. Once disabled for the dev environment. I could see the events in the debugger.

I am getting these warnings due to the Adobe Analytics extension non-updated version. However, the same launch property is working for prod environment.  

I found similar questions in the community but non of them are similar to my situation.   I am implementing analytics on the dev environment of a newly designed AEM-based website. I setup rules in launch to send analytics beacon. Adobe experience platform debugger is not showing events and reports a...