In November 2025, Gastlino enhanced the prettier/angular-html-parser repository by improving documentation for Angular reactive forms, specifically focusing on the FormArrayDirective. He authored updates to the reactive-forms.md guide, clarifying how developers can bind FormArray directly to form elements without requiring a top-level FormGroup. Using TypeScript and Markdown, Gastlino provided practical examples and detailed rationale, making the documentation more accessible for front end developers working with Angular. This work addressed common onboarding challenges and reduced potential confusion, demonstrating a thoughtful approach to developer experience. The contribution reflected a solid understanding of Angular’s reactive forms and effective collaboration within the repository.