I updated my Xcode to 9.0,however It jammed when I changed the tableView style Plain into Groupedin XIB today,and then,I tried many times,the results are all the same,damn jam!Can anyone tell me why?An Xcode 9.0 bug? 
Xcode 9.0 jammed when change tableView style in XIB,why?
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1 Answers
This issue has been fixed in the latest Xcode 9.1 beta. Check release notes.
Fixed a hang when a UITableView was set to “grouped” style. (33483932)
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