[Webkit-unassigned] [Bug 211778] Request header field Pragma is not allowed by Access-Control-Allow-Headers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=211778

--- Comment #4 from Nigel Jones <nigel at cherrybyte.me.uk> ---
It seems to occur frequently on pretty much any tweet. The example above was from
https://twitter.com/TheRealDoctorT/status/1259892518163972097

I'm not sure if it's contributing to twitter not working well loading conversations, but in part that's a twitter issue. This particular failure was just something I noted as 'odd' since the same request appears to feature when using other browsers, where it succeeds (I don't seem to see that pragma being passed though).

However I am not a browser/http expert - so hadn't realised that the Access headers received wouldn't be shown.

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