There are so many additions to the new Xcode 12, New Swift and Swift UI, many bug fixes and improvements, as well as a new look and feel. In addition to the new icon, see above, I will outline in this list my top 5 features that I really liked in the new Xcode 12.
New Documents Tab
Now you can easily open any file you want in a new tab by simply doubling clicking on it and it will open it in a new tab, and you can simply drag and arrange them. This feature should also be enabled by default, but if you want to disable it you can head to View > Always…
