Comportement inattendu lors de la connexion dans un onglet et de l'utilisation de l'autre

Hello. The forum acts weird when I do the following:

  1. open two tabs
  2. sign in on one tab.
  3. use the non-signed in tab

Here are videos I got containing of this bug: (the other one is being worked on due to privacy issues)

You can actually do this the other way around, but it is most likely you will be bombarded with this error:

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Here is the other video showcasing this bug, it was edited just so my email is not visible to others: