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I moved our production app to Swift 6 in 10 days. Here's what it took.
No big-bang rewrite. Small PRs, a warnings baseline on every PR and tests on the old code before touching it.
Topic
2 posts about Agents.
No big-bang rewrite. Small PRs, a warnings baseline on every PR and tests on the old code before touching it.
For six months a fleet of AI coding agents has done most of my production work. The agents were never the hard part. This is the machinery that makes it safe.