[ Need Urgent Help] Steam overlay doesn't work on to shipping build

I’ve setup
onlinesubsystemsteam for achievements by
followin this tutorial Unreal Engine 4 Tutorial - Steam Achievements - YouTube everything works fine on engine standalone mode but when packaging shipping build steam overlay doesn’t work. I tried on development build and it works perfect again. steam_api64.dll right in the packaged game. I have my
own steam app

id and created
steam_appid.txt
for my app id. it wasted my 3 days and still don’t know what to do and where did
i make
mistake. Please help for this
issue

Bump!
Exact same thing happening with me.