To me, the most famous bug is that an entry is selected by default when you enter a directory. This renders it nearly impossible to select a directory (instead

To me, the most famous bug is that an entry is selected by default when you enter a directory. This renders it nearly impossible to select a directory (instead of a file) from the picker, because you will always enter the directory instead of picking it! The only way is to first enter the target directory, deselect the default with control-click, and then hit okay.