You also have to use a little brain, and READ the txt file before installing and upgrading.
Also, you have to read and learn about CB. This is not just a simple "click and run". If you want to use the power of CB, you have to learn about it.
Its not hard, but takes a little time, and its great.
They are quick. After the 1.13 update, they came with a quick fix, due to joomlas new "options".