I tried to leave out the tech stack acronyms except for listing 3 or 4 on the bottom of the resume which I had experience and wanted to continue with. I was ask

I tried to leave out the tech stack acronyms except for listing 3 or 4 on the bottom of the resume which I had experience and wanted to continue with. I was asked for an updated resume so HR or recruiter could tell what I actually worked on and the technology.