On the search for the ̶b̶e̶s̶t̶ decent presentation making software

In the post-COVID world where so much is done remotely I’m utterly amazed with the absence of a decent app for making slides. I recently went through a long and honestly very disappointing journey for finding the one and only app that fits my needs. And… yeah… there is none. Here are the requirements I have, and I can...