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Safari iOS PWA Data Persistence Beyond 7 Days
We need a web app that can operate offline (in cars and small aircraft), hence a need to store data, including a lot of map tiles, and not have it disappear after seven days (due to ITP restrictions). I have read articles suggesting that a PWA (Progressive Web App) launched from the Home Screen does not have the persistence time limit, but cannot find documentation from Apple stating this one way or the other. Also, can one store more than 50MB if using IndexDB? Is there a definitive answer to either issue?
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Jul ’22