Follow along with the video below to see how to install our site as a web app on your home screen.
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Unless you've added Item Updates today (a brand new feature in SC 3.2.15), and there is an issue with Item Update counts, then there is no reason to run the Rebuild Item Updates that uses that filecausing Showcase: Rebuild item updates to fail.
No need to wait, I've updated the Showcase 3.2.16 package (available for download now)I'll update SC Package (tomorrow)