
Angel Becerra contributed to the gleam-lang/gleam repository by enhancing deprecation handling and code formatting within the Gleam compiler. Over two months, Angel implemented propagation of deprecation status from custom types to their variants, introduced per-constructor deprecation, and refined error messaging for unknown attribute record variants. Using Rust and Gleam, Angel expanded test coverage, improved the language server protocol experience, and updated documentation to align with evolving dependencies. The work focused on maintainability and developer guidance, ensuring stable API evolution and clearer IDE feedback. These changes addressed both feature development and bug fixes, demonstrating depth in compiler development and code analysis.

November 2024 (gleam-lang/gleam): Delivered focused improvements to deprecation attribute handling for custom types and their variants, strengthening correctness and developer guidance. Implemented new error types and validation to prevent invalid deprecation configurations, updated messaging, and refreshed test snapshots. Also improved user-facing errors for unknown attribute record variants and completed documentation and dependency reference cleanup to align with name changes and external dependencies. A version bump accompanied these changes, enhancing stability, maintainability, and release readiness.
November 2024 (gleam-lang/gleam): Delivered focused improvements to deprecation attribute handling for custom types and their variants, strengthening correctness and developer guidance. Implemented new error types and validation to prevent invalid deprecation configurations, updated messaging, and refreshed test snapshots. Also improved user-facing errors for unknown attribute record variants and completed documentation and dependency reference cleanup to align with name changes and external dependencies. A version bump accompanied these changes, enhancing stability, maintainability, and release readiness.
October 2024 — Delivered two high-impact feature sets in gleam-lang/gleam that directly improve developer experience, language server UX, and code quality, while expanding test coverage and maintainability. The work reduces deprecation surprises for users and provides clearer formatting for attributes and deprecation notices, aligning with our goals for stable API evolution and a more productive IDE experience.
October 2024 — Delivered two high-impact feature sets in gleam-lang/gleam that directly improve developer experience, language server UX, and code quality, while expanding test coverage and maintainability. The work reduces deprecation surprises for users and provides clearer formatting for attributes and deprecation notices, aligning with our goals for stable API evolution and a more productive IDE experience.
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