message: Add a `CHANGELOG.md` for the change in error messages
diff: @@ -42,6 +42,7 @@ All notable changes to this project will be documented in this file. The format
  * `[gossip][gossip_request_timeout]`
  * `[gossip][get_remainder_timeout]`
  * `[fetcher][get_from_peer_timeout]`
  +* There are now less false warnings/errors regarding dropped responders or closed channels during a shutdown, where they are expected and harmless.
  ### Removed
  * The unofficial support for nix-related derivations and support tooling has been removed.
  