It’s easy to get lost among a sea of Cover, Group, and Paragraph blocks while navigating the block editor’s List View. Clicking around wildly will generally surface the block you’re seeking, but it’s not efficient or intuitive. Gutenberg contributors have some ideas and prototypes aimed at giving the List View more context.
Rich Tabor proposed a solution where users can double-click to rename a block within the list, giving it a unique identifier. Gutenberg developer Dave Smith created an experimental PR that adds custom labeling/naming of blocks in the List View. It currently works for Group blocks only. Tabor posted a demo to Twitter and the response was overwhelmingly positive.
“Custom block labels in the List view is a must-have,” Chris Bell commented on the original proposal. “It improves productivity and adds psychological order/control over the layout.
“I think popovers should only be used for extra long edge-case custom labels as I imagine most labels will be 2-3 words max.” He posted an example of what that might look like.
Extra long labels would simply be truncated to maintain the width of the List View:

Smith
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This article was written by Sarah Gooding and originally published on WP Tavern.