Using the API you get a HTTP 500 error when you try and send an "update" activity to update a comment. This is caused because the comment.unserialize takes more arguments (3) than being passed in (2).

Currently the "object" in the Activity.content is not translatable because it uses Activity.generate_content uses model.object_type which is purposefully forced to English as it's used in the API.

This could be fixed by doing:

{
    "image": _("an image"),
    "comment": _("a comment"),
    etc...
}

This would allow it be translatable and get the correct article in English which is currently missing.

There is a problem with old references to the "user" property on the OAuth models. This happened ever since the commit where I changed the user/creator/publisher/uploader all to the "actor" property.

This was reported to me in IRC by ayleph.