The whole debate is centered around the webRequest API which is only available with Manifest v2. MV3 instead relies on the declarativeNetRequest API. The declar

The whole debate is centered around the webRequest API which is only available with Manifest v2. MV3 instead relies on the declarativeNetRequest API. The declarativeNetRequest API does not expose underlying CNAME aliases Without the webRequest API, it is unable to intercept raw web requests on the fly or query live DNS/CNAME records or dynamically reroute matching rules. The MV3 version is basically just a static list of rules that is only updated when you update the extension itself