Hi Zach,
I apologise for the delay responding to this post. Are you still seeing this issue? I'm not aware of any wider issues with TID. For myself I'm not seeing any change in behaviour, once logged in I can open multiple TID enabled 'sites' within the same browser session.
If you're still having issues I'd suggest chatting with Support, or feel free to drop me an email if needed.
Best regards,
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Mark Kellaway
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