The new project token system is now on full swing recently. This update prohibits unauthorized access to unshared projects.
This update has been reported by @cst1229 on the discussion forums, showing projects like Weekend and pID #1 failing to load.
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Editor’s note: I’m not sure what’s with me and making news articles recently.
also, garbo has also updated the tw docs https://docs.turbowarp.org/unshared-projects