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+# Release 1.8 (2014-12-14)
+
+  - Breaking change: to address a race condition, the remote build hook
+    mechanism now uses `nix-store
+            --serve` on the remote machine. This requires build slaves to be
+    updated to Nix 1.8.
+
+  - Nix now uses HTTPS instead of HTTP to access the default binary
+    cache, `cache.nixos.org`.
+
+  - `nix-env` selectors are now regular expressions. For instance, you
+    can do
+    
+        $ nix-env -qa '.*zip.*'
+    
+    to query all packages with a name containing `zip`.
+
+  - `nix-store --read-log` can now fetch remote build logs. If a build
+    log is not available locally, then ‘nix-store -l’ will now try to
+    download it from the servers listed in the ‘log-servers’ option in
+    nix.conf. For instance, if you have the configuration option
+    
+        log-servers = http://hydra.nixos.org/log
+    
+    then it will try to get logs from `http://hydra.nixos.org/log/base
+    name of the
+    store path`. This allows you to do things like:
+    
+        $ nix-store -l $(which xterm)
+    
+    and get a log even if `xterm` wasn't built locally.
+
+  - New builtin functions: `attrValues`, `deepSeq`, `fromJSON`,
+    `readDir`, `seq`.
+
+  - `nix-instantiate --eval` now has a `--json` flag to print the
+    resulting value in JSON format.
+
+  - `nix-copy-closure` now uses `nix-store --serve` on the remote side
+    to send or receive closures. This fixes a race condition between
+    `nix-copy-closure` and the garbage collector.
+
+  - Derivations can specify the new special attribute
+    `allowedRequisites`, which has a similar meaning to
+    `allowedReferences`. But instead of only enforcing to explicitly
+    specify the immediate references, it requires the derivation to
+    specify all the dependencies recursively (hence the name,
+    requisites) that are used by the resulting output.
+
+  - On Mac OS X, Nix now handles case collisions when importing closures
+    from case-sensitive file systems. This is mostly useful for running
+    NixOps on Mac OS X.
+
+  - The Nix daemon has new configuration options `allowed-users`
+    (specifying the users and groups that are allowed to connect to the
+    daemon) and `trusted-users` (specifying the users and groups that
+    can perform privileged operations like specifying untrusted binary
+    caches).
+
+  - The configuration option `build-cores` now defaults to the number of
+    available CPU cores.
+
+  - Build users are now used by default when Nix is invoked as root.
+    This prevents builds from accidentally running as root.
+
+  - Nix now includes systemd units and Upstart jobs.
+
+  - Speed improvements to `nix-store
+            --optimise`.
+
+  - Language change: the `==` operator now ignores string contexts (the
+    “dependencies” of a string).
+
+  - Nix now filters out Nix-specific ANSI escape sequences on standard
+    error. They are supposed to be invisible, but some terminals show
+    them anyway.
+
+  - Various commands now automatically pipe their output into the pager
+    as specified by the `PAGER` environment variable.
+
+  - Several improvements to reduce memory consumption in the evaluator.
+
+This release has contributions from Adam Szkoda, Aristid Breitkreuz, Bob
+van der Linden, Charles Strahan, darealshinji, Eelco Dolstra, Gergely
+Risko, Joel Taylor, Ludovic Courtès, Marko Durkovic, Mikey Ariel, Paul
+Colomiets, Ricardo M. Correia, Ricky Elrod, Robert Helgesson, Rob
+Vermaas, Russell O'Connor, Shea Levy, Shell Turner, Sönke Hahn, Steve
+Purcell, Vladimír Čunát and Wout Mertens.