The X Theme Stack is not showing up at all in the WP customizer, preventing me from making a number of configuration tweaks. Not sure what I've done wrong.
Currently, I'm trying to modify the blog page title and subtitle. I found this knowledgebase article, but as you can see in this screenshot, I am missing a bunch of options in my WP customizer:
There does not seem to be any place to change blog title/subtitle in the X Theme Options, either.