Next.js is a popular JavaScript framework that can be used to quickly build web applications. However, there are certain drawbacks to using this framework that should be taken into consideration before making a decision. Static files, such as JavaScript files and images, must be loaded from the server each time the page is loaded, leading to slow page load times. Additionally, customization options are limited, making it difficult to create a unique experience for users. Furthermore, Next.js does not offer the same level of performance for complex rendering as client-side rendering. Finally, Node.js, which is the foundation of Next.js, is known to have security vulnerabilities that could put user data at risk. All of these potential drawbacks should be taken into account when deciding whether or not to use Next.js.