Why YSK: after yesterday’s security incident many instances have reset the session tokens which your browser remembers. This is causing issues.
You need to clear cache / cookies / app storage, etc… to eliminate any login problems or problems staying logged in.
I’ve seen many posts mentioning this already.
The link works perfectly! Currently, there’s still no way to link a post from other instance that can instantly open the fetched counterpart post in the instance of the user opening the link.