Combine Swift Testing, XCTest, a restrained visual matrix, and accessibility review without putting all confidence into fragile snapshots.
Turn a SwiftUI feature into a stable, authorized, and testable App Intent so Shortcuts and system surfaces reuse one domain command.
Treat Python 3.13 free-threaded CPython as an experimental runtime, with explicit installation, extension compatibility, race review, and reproducible benchmarks.
After the stable Xcode 26 release, use reversible build, design, data, accessibility, rollout, and observability boundaries for a production SwiftUI migration.
After the stable Swift 6.2 release, understand how default actor isolation, caller-context async execution, and @concurrent reshape incremental migration.