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I like to hang out in the homotopy theory chatroom. I used to navigate to this and other chatrooms using a link on the main site. This seems to have disappeared. Is there a reason for this change? I ...

I have several favorite questions and it is a great feature that every time something happens around them, they are flagged up for me. However, when I turn to them, in most cases I cannot figure out ...

This is a conscious duplicate :D There are at least two more questions about it (The color of links in comments, On the current color scheme, and why it sucks - by the way, when trying to share them ...

There is this extremely handy feature - you can ping any user participating in a comment discussion with @. In my recent question A "prequestion" about meromorphic representations of ...