Sorry for not posting the Xcode 15.0 beta 2. There were some issues with the Twitter API at the time and even though it was "tweeted", it didn't actually go through and I didn't notice
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A bit of a late reply, but you should delete all of these except the latest version. These are support files for when you connect a device for development. Once you update to a new iOS version you can delete these files for the previous versions