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# Release X.Y (202?-??-??)

* The Nix cli now searches for a `flake.nix` up until the root of the current
  git repository or a filesystem boundary rather than just in the current
  directory.
* The TOML parser used by `builtins.fromTOML` has been replaced by [a
  more compliant one](https://github.com/ToruNiina/toml11).
* Added `:st`/`:show-trace` commands to nix repl, which are used to
  set or toggle display of error traces.
* New builtin function `builtins.zipAttrsWith` with same functionality
  as `lib.zipAttrsWith` from nixpkgs, but much more efficient.
* New command `nix store copy-log` to copy build logs from one store
  to another.
* The `commit-lockfile-summary` option can be set to a non-empty string
  to override the commit summary used when commiting an updated lockfile.
  This may be used in conjunction with the nixConfig attribute in
  `flake.nix` to better conform to repository conventions.
* `docker run -ti nixos/nix:master` will place you in the docker container with
  the latest version of Nix from the `master` branch.