"A key part of the new feature is that nonce generation is now built-in to Django, when using the CSP middleware. Nonces are a security feature in CSP that allow you to mark specific <script> and <style> tags as trusted with a nonce attribute:"

Uhm. #django people. I don't know if "nonce" was constructed by the django project or comes from an existing web standard, but, here in the UK, at least, "nonce" is slang for a child molester.