As of right now, it does not seem like Sprinkles has an equivalent of unsafeWindow. The unsafeWindow does also somewhat defeat the purpose of content security policies in the first place. A website having a strict content security policy hopefully has a valid reason for this and as such if one feels the need for user scripts, the website in question might have chosen the wrong content security policy.
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As of right now, it does not seem like Sprinkles has an equivalent of
unsafeWindow. TheunsafeWindowdoes also somewhat defeat the purpose of content security policies in the first place. A website having a strict content security policy hopefully has a valid reason for this and as such if one feels the need for user scripts, the website in question might have chosen the wrong content security policy.