Right clicking a file/folder in the sidebar should allow to "Reveal in Finder"

When you rename a file via the sidebar, the filename textbox should be focused

Control clicking a tab does not show the contextual menu (OS X)

Holding Shift+Option and clicking the button should performa column select

Holding Option and clicking the button should performa column select

Cursor doesn't move when you shift+click to select backwards

Selecting text should hide the cursor until a selection is made