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Raspberry Pi 5 revealed, and it should satisfy your need for speed
(www.theregister.com)
This is a most excellent place for technology news and articles.
To quote a Linux tech writer:
"You literally cannot boot a raspberry pi zero, one, two, three or four without running ThreadX which is a Microsoft product.
"So whether the OS pings a repo or not is moot. The whole damn computer is run by a proprietary sealed Microsoft binary."