Worked on the typescript-eslint/typescript-eslint repository to deliver a feature improving string segmentation performance and correctness in the ESLint pipeline. Migrated the segmentation logic from the graphemer library to the native Intl.Segmenter API, resulting in faster and more accurate processing of strings during linting. Additionally, reinstated nullish coalescing to enhance the handling of undefined and null values within rule parsing, reducing false positives and improving reliability. The work focused on TypeScript and front end development, leveraging ESLint’s extensibility to lay the groundwork for more robust linting. No bugs were fixed during this period, with efforts concentrated on feature delivery.