'@supports (-webkit-touch-callout: none) not working in iOS 15 Safari

I'm trying to target iOS devices with CSS. The general advice is to use:

@supports (-webkit-touch-callout: none) {
    ...
}

However, this does not seem to work with iOS 15 Safari. Is this true?

It looks like it is supposed to work from the Apple developer docs (last updated 2016), but a similar problem is reported here.

If this code does not work with iOS 15, what is the work-around?

css ios safari

Solution 1:^[1]

I can confirm @supports (-webkit-touch-callout: none) still working fine on Safari iOS 15.4.1

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Solution	Source
Solution 1	Aramir