Usually dang post a comment when he changes the title or url. https://hn.algolia.com/?q=author%3Adand+changed#!/comment/so... Most of the times the change is sensible.
It's still a problem because some of the comments refer to the old version.
It's still a problem because some of the comments refer to the old version.
I agree with the parent, if we as a community are going to allow this type of stuff, there needs to be a changelog. We can't rely on good graces of the moderator. It will be abused.
"We as a community" have "allowed this type of stuff" since its inception.