During the recent release, an issue occurred in the CDN distribution that serves external frontend libraries. As a result, requests to load certain static assets (e.g., pdfjs-express/8.7.2/webviewer.min.js) returned 504 Gateway Timeout errors.
Because several components (PDF, Markdown and other custom components) depend on externally hosted CDN assets at runtime, the failure to load these scripts caused those components from initializing or functioning correctly.
The root-cause was not related to component logic itself, but by the unavailability of required CDN resources during application initialization.