Grumpy Old Geeks Topics COBOL software migration Topic COBOL software migration 3 mentions in 1 episode The hosts discuss using AI to migrate older banking software and the accuracy such work requires. Mentions 768: Rosetta Broccoli Oct 22, 2026 40:14 40% of world's banks still rely on COBOL systems 41:35 they must be able to preserve COBOL program's behaviors 41:57 a migration is only successful if all tests pass