You can take a look on the Xcode release notes
Xcode 9.3 adds a new IDEWorkspaceChecks.plist file to a workspace's shared data, to store the state of necessary workspace checks. Committing this file to source control will prevent unnecessary rerunning of those checks for each user opening the workspace. (37293167)
It's good to commit it to your repository.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…