How much time will it take to propagate the update of iOS app once its live[i.e time taken for App Update to be available to download around the world]? some old references say its upto 24 hours. Any official documentation?

I want to control the visibility of Action Extension programatically (kind of A/B testing). Is it possible to control it via code? [i.e control the "Embed App Extension" in build phases part in code]

I get the following error "An unexpected error was encountered when submitting for review. If the issue persists please contact us" I tired uploading a new binary as well, doesn't work.

Which subscriptions are visible in the iTunes Store 'Manage Subscriptions' UI? Can developers control it (the order)? Also we have many subscriptions but only 4 are listed in the UI. Is 4 the limit?

I followed instructions at : https://developer.apple.com/documentation/app_clips/testing_your_app_clip_s_launch_experience I could test the local invocation via NFC , but for QR code it isn't working. Did anyone succeed with QR Coe local experiences testing? If so how? [Safari smart banners aren't working yet]

Hi, Until Xcode 12 beta 4, everything was fine but since beta 5 I don't see _XCAppClipURL having any effect. The userActivity delegate isn't called. Is anyone facing this?

I am opening a PDF doc and adding various annotations to it stamp, text etc . Once I fill those annotations I need to flatten the PDF but I don't find a direct way to do it. How can we flatten a PDF with annotations? Thanks

How to read the metadata associated with PDFKit annotations Widgets ? I can only see properties like widgetFieldType and widgetStringValue. The metadata contains details like field color etc.

Much like Universal links - which launch the App when tapped on a link Anywhere like a website / mail . Can I also launch App Clip the same way? OR Should I can only launch via QR code / Messages / Safari Banner?