# Enhanced Code Editor for Developer Options

Source: https://support.exposure.co/changelog/enhanced-code-editor-for-developer-options-3r0je0/

-   [Improvement](<https://support.exposure.co/changelog/?tag=Improvement>)

 January 21, 2026 By Luke Beard

We’ve upgraded the custom code editing experience with a new code editor featuring syntax highlighting, line numbers, and better error detection. Writing custom CSS and JavaScript for your site is now easier than ever.

Available on Business plans. [Learn more over on the Help Center](<https://support.exposure.co/en/articles/13456537-adding-custom-code-to-your-site/>).