Cannot log into twitch.tv. Claims Safari Tech Preview is an unsupported browser, however Safari works. More information here for Orion browsers (which also uses WebKit) and the handling of some security cookies: https://orionfeedback.org/d/4601-twitch-stopped-to-recgonise-the-browser-independent-of-configuration/17
<rdar://problem/107230772>
Thank you for the report! I don't personally have an account to try it out, could you please confirm whether changing the user agent via Safari Developer menu makes it work?
Oh, I fixed this recently. Let me look this up.
*** This bug has been marked as a duplicate of bug 253026 ***
Which STP version was this? STP 166 should have my fix.
Yes, items look like version 166 did fix the problem. Thanks!