Overview
- Manifest V3 replaces WebRequest with the more restrictive DeclarativeNetRequest.
- Ad blockers like uBlock Origin require significant changes, resulting in the new uBlock Origin Lite.
- Users will encounter a cap of 30,000 rules, limiting ad-blocking capabilities.
- Extensions relying on remote code execution will face new restrictions.
- Firefox will continue supporting Manifest V2 alongside V3, offering an alternative for users.