Your manual suggests I enable slide label to label my gallery slides. I cannot find “slide label.” Where is it? Sparkle 2.8.1 with MacBookPro macOS Mojave 10.14.5
It should be this?!
When you set the checkbox “Selected image” » “Show Label” (the english translation of the highlighted section of the image from MultimediaMan), a text box shows up on your gallery picture. It is per picture, so you can show or not for each image in the gallery