Why can you never change your username in Mastodon, Lemmy or Peertube? Is it a condition introduced by ActivityPub or a forgotten feature?

  • @[email protected]
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    67 months ago

    I believe it’s not possible because it would untie the user from all of their comments and posts that seen on “any other website connected to the Fediverse”.

    Only your instance can know who you are if you change your username but other instances couldn’t know that.