April 2025 monthly summary for Netflix/dgs-codegen: Implemented immutability for OrderFilter by converting to a Kotlin data class to enforce invariants and proper data handling, addressing a failing test case and stabilizing the codebase. This change reduces risk in downstream code generation paths and improves reliability of order-filter behavior across generated code.

Monthly summary for 2025-03 for Netflix/dgs-codegen focusing on feature delivery and code quality improvements. Key features delivered: - Kotlin 2 input types data modifier: enable data class features for generated input types, applying across input type generation test cases for consistent behavior (commit 476fa62cf4abc8ff7c6da376e1fab4dd4106ba1b). Major bugs fixed: - No major bugs closed this month; work focused on feature enhancement and test stabilization. Overall impact and accomplishments: - Introduced a robust data modifier that enables data class semantics (equals, hashCode, toString) for generated Kotlin 2 input types, improving correctness, testability, and downstream reliability. - Achieved consistent behavior across input type generation test suites, reducing flaky test outcomes and easing future migrations to Kotlin 2. - Strengthened code quality and maintainability in Netflix/dgs-codegen by consolidating data modifier logic and updating tests. Technologies/skills demonstrated: - Kotlin 2, data class semantics, code generation patterns, test automation, and Git-based code review/commit hygiene. Business value: - Safer, more predictable generated input types enable downstream services to rely on correct equality semantics and hashing, reducing integration bugs and enabling smoother Kotlin 2 migration.