Curate, connect, and discover
Really disappointed honestly
YOUR ART AND IMAGES ON TUMBLR ARE BEING USED TO TRAIN AI MODELS.
The opt-in is automatic, but you can turn it off in settings.
Go to "Blog Settings" -> "Visibility" -> "Third-Party Sharing" and turn on "Prevent third-party sharing for [blog]". (This post shows how to do it on browser and on mobile.) You need to do this with every sideblog. (Note: The option in settings might not appear if your app hasn't updated yet. You can still opt out via browser.)