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conflictMEDIUM2026-04-28 10:31 UTC

How I automated the Anchor IDL v0 to v1 migration with a codemod

Case Study: Automating Anchor IDL v0 → v1 Migration with Codemod Background Anchor v0.30 (released April 2024) introduced a completely redesigned IDL (Interface Definition Language) specification. Every Solana program built with Anchor < 0.30 ships with a v0 IDL. As of today, hundreds o

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