markoposavec

I apologize. It appears that this particular server is doing something that disables proper functioning of LBWPS on classic galleries. I am not yet sure what it is. The HTML output itself is identical to any other classic WP gallery, can’t see anything wrong with it. As a side note, the Photoswipe v5 doesn’t work on that site; the lightbox opens, but no image appears. v4 works, but like I said, for single images only. Odd.

Incidentally, I’ve encountered the same behavior on another site (and a different server), but that one uses Breakdance builder and pulls the posts through a custom template — not much of a mystery there, I guess. I’ve contacted their support about it.

Just for testing, I’ve tried a couple of other lightbox plugins and they all worked. I’ll let you know what I find.

Just ran into this problem again and found a simple CSS solution:

.wp-block-icb-image-compare .comparison-slider {
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

It is perhaps worth noting that the watermark application mechanism appears to have changed since the update: instead of reloading the Media Library page, it now displays a spinning circle-thing over the thumbnail just before it drops the “Cheatin uh?” error.

Switching to Twenty Sixteen is no good, so it’s probably not theme-related. I have also tried disabling other plugins and that didn’t help either.

All users of the site have the same problem.