Note that https://html.spec.whatwg.org/#the-list-of-available-images does not take it into account at least. Searching for "cache" on https://w3c.github.io/webappsec-referrer-policy/ yields nothing.
Bug 1642591 Comment 3 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
Thanks Timothy! Note that https://html.spec.whatwg.org/#the-list-of-available-images does not take it into account at least. Searching for "cache" on https://w3c.github.io/webappsec-referrer-policy/ yields nothing.