Showcase 2.1.0 adds a new Gallery Flow block, cleans up the block registration architecture, and ships two meaningful accessibility improvements.
Gallery Flow
The new Gallery Flow block brings a purpose-built gallery carousel to Showcase. If you’ve used the core Gallery block, the editing experience will feel immediately familiar, but instead of a static grid, your images and videos become slides.
Each item is managed through the Flow Media inner block. Add, remove, and reorder your slides the same way you’d manage any block list, no custom fields, no shortcodes, no fighting with embeds. Because each slide is its own inner block, you can mix images and videos freely in the same carousel without any special configuration.
Accessibility Improvements
The progress bar now includes role="progressbar" with a dynamic aria-valuenow attribute, giving assistive technology the information it needs to communicate progress accurately. The counter block announces slide changes via aria-live="polite" so screen reader users are notified when the active slide changes.
Under the Hood
All block assets have been consolidated into central editor and style handles, removing per-block file references. Block registrations now follow a single index.js entry point pattern throughout. A gap handling bug has been fixed so 0 values correctly output 0px for valid CSS. Dynamic Content gap styles now use the EditorStyles utility instead of inline computation, and output escaping has been hardened for dynamic CSS values in block render callbacks.