Sad truth about iOS apps

[Peter Bogdanoff]

Hi Graham,

You might want to look at these kinds of articles:

How to install Catalina on older Mac, update macOS on an old MacBook
https://www.macworld.co.uk/how-to/mac-software/install-catalina-old-mac-3654960/


Peter

> On May 15, 2020, at 9:02 AM, Graham Samuel via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
> As many of you will know, I have been struggling to create an iPhone app - very unfamiliar territory for  me. It’s been an education. Without help from this list and the mother ship I would have been dead in the water long ago. Finally I can see the (beta version of) the app running on my iPhones - yipee! The next step is to get it out there via TestFlight so that a few friends can mess with it.
> 
> I just went through all the hoops with the Apple App Store to reach the magic TestFlight stage, using the XCode Application Loader. Things looked good until this:
> 
>> ERROR ITMS-90725: "SDK Version Issue. This app was built with the iOS 12.1 SDK. New apps for iPhone or iPad must be built with the iOS 13 SDK or later.”
> 
> My iMac can only run High Sierra, and High Sierra can only run XCode 10.1, and AFAIK that version of XCode only runs SDK 12.1. I think that means I get a new Mac or give up.
> 
> Please tell me if I’m wrong.
> 
> Graham
> 
> PS I would really like a new Mac, but the budget is the problem!
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