After upgrading to Xcode 12, I noticed that it would drop tabs. Apple has a new tab system with Window and Document (new) tabs. In the past I would create a different tab for different functions - one to look at graphics (storyboards and xibs), another for debugging, another for git, etc. I would have like 5 different tabs. I have found that if I exit a project, but then bring it back the tabs are there. But if I exit Xcode and then go back to the project, that only 2 tabs come back. I also played with Navigation Style - Open in Place under Preferences/Navigation. Hoping to get the old style back - but still am losing tabs.
Any thoughts on what is going on. Or tips to save one’s setup. Or how best to get along with the new system.