@eirk I opened the bug, and yes, it was supposed to be resolved, but it seems that it hasn't.
I attached a video recording from yesterday.
@Vlad, I wasn't sure if all the keyboard shortcuts were mapped or not, so I opened the feature request. Now I can see they are very flaky.
Here is a recording that shows that when pressing CMD - Left, instead of showing the previous page, it navigates down to the end of the page
Here is a video recording showing that the page up doesn't work properly (page down is also very inconsistent).
Here is a video recording showing the CMD + Shift + L doesn't show/hide the sidebar