Captions incompatible with WP Rocket?

Hello,

Been trying to get the lightbox captions to work for a while now. It works when I’m logged in. You can see the captions come up when wprocket is disabled:

https://origami.guide/origami-hearts/origami-heart/?nowprocket

Actually, they don’t appear at all now, any idea why? They were working before haha. The images have the same captions as the alt tag.

I’ve tried with a few of the different settings.

Great lightbox, one of the only ones that will work grouping images from an advanced custom fields gallery.

Chrissy

The page I need help with: [log in to see the link]