iOS 17 Safari can't open a PWA site. "FetchEvent.respondWith received an error: TypeError:Internal error"

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iOS 17 Safari can't open a PWA site. "FetchEvent.respondWith received an error: TypeError:Internal error"

Hi,

iOS 17 update to the safari browser has broken the loading of a PWA from service worker. Our company's PWA app fails to load and sometimes shows an error. Note this is most reliably reproduced if you kill the safari browser using the task manager and then open the safari browser again, with the first tab already pointing to the PWA.

Following error is shown:

Safari can't open the page.

The error was: "FetchEvent.respondWith received an error: TypeError:internal error"

This works fine in iOS version 16.6 and earlier. Please fix this as soon as possible.

Posted on Sep 20, 2023 07:13 PM

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Answer 1

Top-ranking reply

jolba

Level 1

8 points

Oct 24, 2023 12:08 AM in response to Ionican

I have the same issue and updating Angular to 16.2.10 did not fix it (see below)

This is really annoying for people using our PWA on iPhones running iOS 17.

Please provide a fix as soon as possible

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Answer 2

Ionican

Level 1

8 points

Oct 10, 2023 01:47 AM in response to bendhanoa

If your pwa uses Angular I believe there is a fix available in the latest version (16.2.8)

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Answer 3

Jan 10, 2024 02:26 PM in response to Ionican

there is no fix even in Angular 17.0.4

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iOS 17 Safari can't open a PWA site. "FetchEvent.respondWith received an error: TypeError:Internal error"

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