I develop an app that uses theme app extension functionality. In a development store, app blocks work very well with the Brooklyn theme, previously migrated to Online Store 2.0, but when I install my app as custom, using the same migrated Brooklyn theme is not possible to reproduce the functionality.
Are app blocks really supported in production? If so, what else could I be missing?
Thanks in advance.
This post is old enough that you might have run into the same issue I did -- development stores that were created before a certain date just don't support app blocks under the hood!
Try remaking a new dev store now, and see how things go? App blocks are definitely functional!
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