Disitrbute method has no effect (always serve from f.php)

I am trying to change the distribute method, but it doesn’t seem to have any effect, as it always serve static files with URL /s/f.php?xxxxx.js

From my understanding, it should only do that under distribute mode “PHP”

I have tried “Direct” and “Apache mod_rewrite+mod_headers” to no effect.
Currently it’s at “Apache mod_rewrite+mod_headers”.

What am I missing ?

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