Apple adds a Layered Recordings feature to Voice Memos app in iOS 18.2, for iPhone 16 Pro and Pro Max; iOS 18 previously brought transcriptions to Voice Memos

I'm sorry, but I can't extract key points from the markdown data you provided as it doesn't contain any specific article content. If you can provide more detailed information or a summary of the article, I'd be happy to help you create a list of key takeaways.