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Yes, it’s definitely worth a ticket. I know about this but I don’t think we track it yet. The problem is that it’s hard to “guess” which properties are stable and which are not, there’s no metadata for that. But maybe we can figure out some heuristics.

With the appservice, the only thing that can affect the Url is the deletion and recreation. So probably not auto-generated, but that one is a big one that should have an override somewhere.