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WatchOS 4.3.1 beta warns that watchOS 1 apps won't work on future versions

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<p>If you're using an old Apple Watch app that hasn't been updated in a while, you might run into some problems when watchOS 5 lands (likely sometime this fall). The latest beta of watchOS 4.3.1, which is sort of the watchOS equivalent of iOS 11.4 (https://www.macworld.com/article/3267786/iphone-ipad/ios-11-4-features-release-date-and-how-to-install.html), warns you when you try to launch an out-of-date app.</p><p>"This app will not work with future versions of watchOS. The developer of this app needs to update it to improve its compatibility." </p><p>That's the warning that pops up on your Apple Watch when you try to run an older app made for watchOS 1. That doesn't mean watchOS 4.3.1 will break your old apps, but watchOS 5 almost certainly will.</p><p class="jumpTag"><a href="/article/3268548/wearables/watchos-431-beta-warns-that-watchos-1-apps-wont-work-on-future-versions.html#jump">To read this article in full, please click here[/url]</p></section></article>

Source: WatchOS 4.3.1 beta warns that watchOS 1 apps won't work on future versions (https://www.macworld.com/article/3268548/wearables/watchos-431-beta-warns-that-watchos-1-apps-wont-work-on-future-versions.html#tk.rss_all)