After update XCode got a ligature using in editor. The selected symbol in screenshot. How to switch it off and showing "!=" instead of ligature?
XCode ligature switch off. How?
I think, this has something to do with the selected font. Try to use a different font.
Two people have tried to help you, and you have criticised them both.
Do you want people to help you?
What font are you using in Xcode?