Release 2.1 (2018-08-31) This is primarily a bug fix release. It also reduces memory consumption in certain situations. In addition, it has the following new features: 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 is no longer required to recover from disappeared NARs in binary caches. nix-daemon now respects . 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.