Hi Tamirat,
Thanks for your reply. For the 25 images in the existing slideshows, alt text is currently present in both the Media Library and the slideshow editor. I can’t confirm whether it was already there when those images were originally added or added later.
I created and saved an unpublished draft with a new Slideshow block and two existing Media Library images whose alt text was already present before I selected them. The saved content contains the Slideshow block and both image references, but no individual image or alt text attributes. The rendered content returned for the draft was empty, so I couldn’t verify whether the generated slideshow markup includes the alt text. The draft has not been published.
Could you advise how I can check the rendered markup for an unpublished draft, or whether this saved-block result is enough to help reproduce the issue?
Best,