AI RPG Migration Can Compile and Still Break Business Logic

· Federico Tomassetti · June 30, 2026, 8:44 a.m.
Summary
This blog post discusses the challenges associated with AI-assisted RPG migration tools, emphasizing that while these tools may show high compilation rates, they can still fail to maintain business logic integrity. Key issues addressed include packed decimal truncation, activation group persistence, and cycle logic, backed by benchmarks that demonstrate the need for thorough accuracy testing beyond just compilation success.
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