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+# Release 2.1 (2018-09-02)
+
+This is primarily a bug fix release. It also reduces memory consumption
+in certain situations. In addition, it has the following new features:
+
+  - The Nix installer will no longer default to the Multi-User
+    installation for macOS. You can still instruct the installer to
+    run in multi-user mode.
+
+  - The Nix installer now supports performing a Multi-User
+    installation for Linux computers which are running systemd. You
+    can select a Multi-User installation by passing the `--daemon`
+    flag to the installer: `sh <(curl https://nixos.org/nix/install)
+    --daemon`.
+
+    The multi-user installer cannot handle systems with SELinux. If
+    your system has SELinux enabled, you can force the installer to
+    run in single-user mode.
+
+  - New builtin functions: `builtins.bitAnd`, `builtins.bitOr`,
+    `builtins.bitXor`, `builtins.fromTOML`, `builtins.concatMap`,
+    `builtins.mapAttrs`.
+
+  - The S3 binary cache store now supports uploading NARs larger than 5
+    GiB.
+
+  - The S3 binary cache store now supports uploading to S3-compatible
+    services with the `endpoint` option.
+
+  - The flag `--fallback` is no longer required to recover from
+    disappeared NARs in binary caches.
+
+  - `nix-daemon` now respects `--store`.
+
+  - `nix run` now respects `nix-support/propagated-user-env-packages`.
+
+This release has contributions from Adrien Devresse, Aleksandr Pashkov,
+Alexandre Esteves, Amine Chikhaoui, Andrew Dunham, Asad Saeeduddin,
+aszlig, Ben Challenor, Ben Gamari, Benjamin Hipple, Bogdan Seniuc, Corey
+O'Connor, Daiderd Jordan, Daniel Peebles, Daniel Poelzleithner, Danylo
+Hlynskyi, Dmitry Kalinkin, Domen Kožar, Doug Beardsley, Eelco Dolstra,
+Erik Arvstedt, Félix Baylac-Jacqué, Gleb Peregud, Graham Christensen,
+Guillaume Maudoux, Ivan Kozik, John Arnold, Justin Humm, Linus
+Heckemann, Lorenzo Manacorda, Matthew Justin Bauer, Matthew O'Gorman,
+Maximilian Bosch, Michael Bishop, Michael Fiano, Michael Mercier,
+Michael Raskin, Michael Weiss, Nicolas Dudebout, Peter Simons, Ryan
+Trinkle, Samuel Dionne-Riel, Sean Seefried, Shea Levy, Symphorien Gibol,
+Tim Engler, Tim Sears, Tuomas Tynkkynen, volth, Will Dietz, Yorick van
+Pelt and zimbatm.