Fresh Sage 10.4.0 cannot load puclic/app.js

I’m trying to upgrade from 10.3 to 10.4 for some security reasons, and I’m facing an issue : after the upgrade, all my assets (images, js) turned to be 404.
I did a clean sage 10.4 install to test it, and I have the same issue.
I think I changed everything needed to be changed on my bud.config.js file, such as :


But still facing this issue on yarn dev. Everything works on yarn build.
Where did I missed something?

I found a solution : seems you need to leave


But I don’t understand how it affect path of assets…