Yes, I'm certain. This simple expression loses space inside calc before + I had problems with + and - in some previous files too. @media(min-width:1200px) { .wrap { max-width: 76em; max-width: -webkit-calc(68.26em + 8vw); max-width: calc(68.26em + 8vw); padding-right: 4vw; padding-left: 4vw; } } Formatting issue. It never happened before last updates.
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