eslint-compat-utils offers utilities for ensuring ESLint plugin compatibility across various ESLint versions. It simplifies tasks like detecting supported ESLint features, managing rule context properties, and handling deprecated APIs. This library helps plugin developers maintain a single codebase that seamlessly adapts to evolving ESLint environments, reducing maintenance burden and enhancing plugin reliability for diverse user bases. It essentially bridges the gap between ESLint's frequent updates and the need for stable plugin behavior.