During April 2026, Gygyur focused on backend development for the prisma/prisma repository, addressing migration tooling in TypeScript. He delivered a targeted cleanup of the migration command by removing deprecated references to the --shadow-database-url flag, updating both the CLI and engine schema to align with Prisma 7’s breaking changes. By relocating configuration to datasource.shadowDatabaseUrl in prisma.config.ts, he reduced user confusion and prevented misconfigurations. His work involved careful code refactoring and schema updates, ensuring compatibility and long-term maintainability. Although the contribution centered on a single bug fix, it demonstrated depth in backend engineering and attention to evolving project requirements.