I have a clean git checkout, my local master branch.<br /> I created a new 'dev' branch on top of it.<br /> There I started with several feature branches.<br /> Then I wanted to merge <i>down back to dev</i>. <br /> But there were <b>uncommitted changes!</b> I never touched this branch. <h2>How comes?</h2> Please provide me with possible explanations, answers, ...