- Fixed multiple HMR issues including CSS hot module replacement with ClientRouter, middleware module changes, and video/audio element functionality after view transitions
- Resolved security and runtime bugs such as a CSP violation with clientPrerender, hash collisions in generated content‑collection image identifiers, and 500 errors in the dev prerender environment
- Improved developer experience by adding error logging for missing collection references, enhancing Markdown documentation, boosting getCollection/getEntry performance, and stabilizing incremental build hashing