Grouping elements with .accessibility(children: .combine) doesn't always generate the best accessibility label. Comma-separating labels might sometimes not be ideal. But you can improve it by tweaking the labels/grouping of its children first.

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With the attribute accessibilitySpeechPunctuation, you can ask VoiceOver to speak any punctuation marks in your attributed accessibility label, if that is what you want. Good for code snippets?

Too much data can overwhelm users. Very little is an incomplete experience. It is hard to find a balance on verbosity and the users may have different preferences. To help with this issue, the AXCustomContent APIs let you mark data as optional.

If you need to send announcement notifications that can step into each other, they will by default, interrupt ongoing announcements. But you can pass attributed strings as parameters too, letting you specify announcements to be queued.