We've now rebuilt and uploaded a new build to the App Store and installed it via TestFlight on a few devices and the on-demand resources seem to be working again. Thank you.
lenk
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FB: FB7605909 2/28/2020DTS: 730731197 3/2/2020
This morning I am unable to get our latest build to even install from TestFlight - it just hangs half-way through the installation every time. The Apple System Status page says there was a "performance problem" but it was "resolved" though apparently not quite completly.However, what I can get working is to use Xcode to install a Release build of our app onto two iPads, one of which is running iOS 13.3.1 and one of which is running iOS 13.4 Beta 4. The Release build is configured to NOT embed the on-demand resources IN the app (EMBED_ASSET_PACKS_IN_PRODUCT_BUNDLE = false), so it is downloading them from the App Store (verified by connecting the Console app and filtering on "process:appstored"). The app successfully downloads the resources on the iPad running iOS 13.4 and fails (hangs) on the iPad running iOS 13.3.1.The app is being built with Xcode Version 11.4 beta 3 (11N132i) and it was uploaded to the App Store / TestFlight March 4, 2020 at 6:02 PM PST.I have not heard anything new from Apple Developer Technical Support or any other channel.
Just recevied this from Developer Technical Support:I have seen this issue pop up for a few developers recently, so I would have normally have asked you to file a bug report. But, I see that you already have filed one, which is great. Thank you for that.That fact you are seeing invalid hashes, is a giveaway that this is related to a known issue on our backend and was recently confirmed by our engineering team.I don’t have a workaround at the moment, but I’m in close contact with the ODR engineering team and will relay any relevant information I hear surrounding this issue back to you as soon as I hear about it.
Same problem here. We've found that ODR with a new build works on iOS 13.4, but not on any version prior, like iOS 13.3, etc. I've filed Feedback reports, App Store support reports and a Technical Support Incident. No responses with anything useful yet.