Wordpress-ios: Media Library: App spontaneously cycling through media items

[guarani]

Expected behavior

Opening the a site's media library should display a grid of media items.

Actual behavior

Opening the a site's media library causes multiple screens to be pushed onto the stack (the app seems to cycle through each media item until it reaches the last item).

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Steps to reproduce the behavior

This can only be reproduced using a app built using Xcode 12 (that is to say, using the iOS 14 SDK). It's not reproducible using a build made using Xcode 11, even if the app is running on a device with iOS 14 installed.

• I've seen it on multiple WordPress.com account and on multiple WordPress.com sites
• It's not 100% reproducible, sometimes I only see it on the 2nd or 3rd visit to the Media Library screen (that said, it's quite easy to reproduce for me)
• I've only tested on one iOS device

Tested on iPhone 11, iOS 14, WPiOS 15.7 (or https://github.com/wordpress-mobile/WordPress-iOS/commit/e37dce417fb7ca59cd2aaeb5014fee5b76974c94, as noted in the comments below)

[frosty]

I'm currently unable to reproduce this one... do you literally just open Media and then tap an item in the library?

[guarani]

I wasn't able to reproduce again on the Test Flight 15.7 build (strangely enough), but then I compiled from Xcode 12 using the following commit and was able to get it working: https://github.com/wordpress-mobile/WordPress-iOS/commit/e37dce417fb7ca59cd2aaeb5014fee5b76974c94

[guarani]

I'm currently unable to reproduce this one... do you literally just open Media and then tap an item in the library?

@frosty yes, although today I could only reproduce building from Xcode 12 (not when using the Test Flight build, see comment above). I've also added a screen recording to the issue.

[rehpa]

I suffer from this with the current 16.3 app in the app store. Makes the app unusable for me without the ability to add media.

[guarani]

Thanks for reporting, @rehpa!