Unlock Hidden Gems: Insider Secrets in WordPress 6.8 for Developers
It’s worth noting that this feature does not create a lightbox slideshow where you can scroll through all images for the Gallery; it merely applies the existing lightbox feature to the individual Image blocks.
Details block

You can now group multiple Details blocks together via the name
HTML attribute. When multiple <details>
elements share the same name
, browsers will automatically close an open element when another is opened, creating an accordion effect. You can set the name
attribute under Advanced → Name Attribute in the block inspector sidebar.