@hollo@hollo.social A Delete is ignored unless the deleter's origin matches the cached post author's origin. For Announce, Hollo no longer trusts attacker-supplied embedded content to create or overwrite the original post: FEP-fe34 strikes again 🙂 Weren't those scenarios already covered in Fedify? https://github.com/fedify-dev/fedify/issues/440#issuecomment-3329739981