He's right, Moisey. It's the same for me.
The scroll bar appears only if the height is really small.
There are some moments when it doesn't show up all left side-bar.
For example, when maintenance messages are shown on top of the page, like today.
I've also reported that through the support system a few weeks ago.
We've added CSS to allow overflow on the side-bar, what browser are you using?
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