en30

I understand that you don't support it for the good reason. Thank you. I have tried implementing it. Indeed nested commands may become a source of complexity. There should be...

I tried https://polyfill.io/v3/polyfill.min.js?version=v0.108.0&features=default,fetch on `Mozilla/5.0 (iPhone; CPU iPhone OS 15_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.1 Mobile/15E148 Safari/604.1`. Then `Content-Type` is `text/plain;charset=UTF-8`. In the case of https://polyfill.io/v3/polyfill.min.js?version=v0.104.0&features=fetch...

I wasn't sure if I should open another issue on user-agent handling. > you can add the gated flag as a temporary fix : &flags=gated Thank you for the workaround!

@romainmenke Trying to create a minimal reproducible example, I found that the `fetch` polyfill ignored inferred `Content-Type` when the `headers` option is given as `object`. So I opened another issue...