Specifications

• Safari: 13.0.2
• TM: 4.9.6055
• OS: mac os 10.15

I have observed that tampermonkey has a separated process (Tampermonkey (Safari)) for sending out requests. User agents differ from Safari as well. This is the reason why requests do not embed browser cookie anymore like before.

I tried setting headers for GM_xmlhttpRequest to include cookie however request cannot even be sent. Not sure whether this is fixable or there is some workaround.