assets are not loading after installation about demo HOT 5 OPEN

Seems like there is some syntax error in a "content.js" in your code.

But the sourcemaps error is apparent upon every fresh installation of the demo.

Sources get loaded, but sourcemaps are not.
This is a little bit annoying as there are dozens attempted to be loaded (from the vendor folder in project-root) and slow down local performance. As the sass-bundle always creates the compiled css with flag "--embed-source-map" when debug is enabled, there is no way to get rid of these errors but disabling debug.
But then you will run into another issue: the sourcemap is nevertheless embedded with "app.output.css.map", which can also not be found and results in another 404. But at least you can still use your scss without dozens of sourcemap errors.

scss compiled with debug disabled:

default sass-bundle build (debug enabled):

from demo.

We don't have any content.js asset in this project, right? If this is correct, maybe this comes from some browser extension?

from demo.

I tried again, and when I choose to run:

1. $ symfony serve

• it works perfectly

2. $ php -S localhost:8002 -t public/

• the symfony demo does not work - the problem with assets as described
  Just to clarify the issues...

from demo.

I can reproduce it with php -S localhost:8000 -t public, but works fine with php -S localhost:8000 public/index.php.
I'm not an expert for the build in php server (I'm using the symfony cli for dev), but i guess we have to pass the index.php as "router" script ?

But should the demo still "supports" the build in php server, as it was removed from the symfony documentation since 3.4 (symfony/symfony-docs#11567) ?

from demo.