iOS 15 - prewarming - background app refresh app setting

Question

Created Feb ’22

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As per title, we are having issues with our app in iOS 15 and the new prewarming features. Anecdotally, users impacted by this have been able to workaround the issue by disabling background app refresh for our app.

So the question is, does disabling background app refresh for an app also disable ALL ios15 prewarming calls? Or is there no relationship ? , that is, regardless of background app refresh app setting, can prewarming still be executed on our app if the OS decides to.

Thanks,.

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Answer 1

Kasuist OP

Apr ’22

Fantastic feature with zero support from Apple am I right? Loads of folks are having problems with this feature. Calling UserDefaults from within didFinishLoading results in nothing coming back. So if you have launch counters, or code that needs to run first time, this will be triggered incorrectly.

Some folks have had entire keychain data wiped because of this feature.

It SHOULD be opt in.

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