My goal is to display my blog page's featured image. I came across a plug-in by Pieter Goosen, who doesn't seem to be currently active here, that does exactly what I want.
I followed instructions and was able to activate the plug-in but I don't see the expected result, which is the blog page featured image displayed in the right sidebar. I'm not a coder, but I can follow instructions so ELI5, as they say.
I an trying to make the following plug-in work on WordPress 5.3.2:
Is there something I need to modify in this code? If so, what and how?
Update: I just discovered it works! This is a great workaround for those looking to get an image onto the blog page and only the blog page.