Brotli support with Amplify, how?

I'm usiong amplify for a vue3 app, I have webpack building both gz files and br files. The gz file are serving but the br files will not I have added the file extensions in the amplify redirect: </^[^.]+$|.(?!(gz|br|css|gif|ico|jpg|js|png|txt|svg|woff|woff2|ttf|map|json)$)([^.]+$)/> but brotli is not being served, any ideas on why and how to fix this?

gzip and brotli are both on in the cloudfront policy > cache > compression support for the "managed-amplify"