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Is it possible to customize the list view in the WordPress Block Editor? I would like to place an icon if a custom attribute contains a specific value, similar to how it is implemented in the core plugin core/image.
It doesn't seem like there is any API for it. Furthermore, the image thumbnail code specifically on looks at the core/image block. Thus, the only way to customize it seems to be to fork Gutenberg with your own customizations.
I was able to solve my problem using __experimentalLabel. It allowed me to customize how the block appears in the List View, similar to the behavior in the core/image block.
core/imageblock. Thus, the only way to customize it seems to be to fork Gutenberg with your own customizations.