IOSTF signature - now commonly used testflight signature quote.

To put it simply, TestFlight can pre-release applications that have not yet been put on the App Store. Developers can use testflight to publish and install applications, and Apple can put them on the shelves to test whether there are bugs in the application.
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Tags/keywords: tf signature, easy-to-use tf signature, iostf signature, stable tf signature, iosTF distribution
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