The three lines I check when prebuild stops on the standard SDK 57 Swift AppDelegate error
Turning on ios.enableSceneSupport for iOS 27 can stop prebuild cold. The cause was not my SDK version but the shape of AppDelegate.swift. Here are the three lines to check, and why copying the SDK 58 migration steps by hand will break your build.
Ask Rork for an iOS 27 feature and you may get last year's code back, with no error at all
iOS 27 ships on September 14. When a model is asked for an API it has never seen, there are two kinds of failure: the kind that stops your build, and the kind that does not. Here is why standard Rork and Rork Max differ, and the order I check generated code in.
Put Your Live Rork App on a Spare iPhone Before iOS 27 Ships
iOS 27 has shipped. Here is how to use a spare iPhone to check your live Rork app, what to look at first, which fixes you can ship from JavaScript, and how to keep the device ready for the next beta cycle.
What Filtering Out Prerelease OS Devices Cost Me — Separating Telemetry Tracks Instead of Dropping Them
Filtering prerelease OS devices out of telemetry left me with no warning signs on GA day. Here is the rebuild: an os_track dimension, a remote GA baseline, split alert thresholds, and a release gate that separates blockers from fixes.