Parallel Upgrade Problem
Learn about the parallel upgrade problem in IndexedDB.
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Problem
Assume a user is using our web app in a tab, “TAB_1,” with version 1 of the database. Meanwhile, we roll out a new version of the app with database version 2. When the user visits our app in a new tab, “TAB_2,” the browser will open the database in version 2. In this scenario, “TAB_2” tries to update the version of the database. But there’s another ...