<appendix xmlns="http://docbook.org/ns/docbook"
          xml:id="ch-release-notes">

<title>Release notes</title>

<!--==================================================================-->

<section xml:id="sec-release-14.02">

<title>Release 14.04 (“Baboon”, 2014/04/??)</title>

<para>This is the second stable release branch of NixOS.  The main
enhancements are the following:

<itemizedlist>

  <listitem><para>Installation on UEFI systems is now supported.  See
  <xref linkend="sec-uefi-installation"/> for
  details.</para></listitem>

  <listitem><para>NixOS is now based on Glibc 2.19 and GCC
  4.8.</para></listitem>

</itemizedlist>

</para>

<para>When upgrading from a previous release, please be aware of the
following incompatible changes:

<itemizedlist>

  <listitem><para>Nixpkgs no longer exposes unfree packages by
  default. If your NixOS configuration requires unfree packages from
  Nixpkgs, you need to enable support for them explicitly by setting:

<programlisting>
nixpkgs.config.allowUnfree = true;
</programlisting>

  Otherwise, you get an error message such as:

<screen>
error: package ‘nvidia-x11-331.49-3.12.17’ in ‘…/nvidia-x11/default.nix:56’
  has an unfree license, refusing to evaluate
</screen>

  </para></listitem>

  <listitem><para>The firewall is now enabled by default. If you don’t
  want this, you need to disable it explicitly:

<programlisting>
networking.firewall.enable = false;
</programlisting>

  </para></listitem>

  <listitem><para>The option
  <option>boot.loader.grub.memtest86</option> has been renamed to
  <option>boot.loader.grub.memtest86.enable</option>.</para></listitem>

  <listitem><para>The <literal>mysql55</literal> service has been
  merged into the <literal>mysql</literal> service, which no longer
  sets a default for the option
  <option>services.mysql.package</option>.</para></listitem>

</itemizedlist>

</para>

</section>

<!--==================================================================-->

<section xml:id="sec-release-13.10">

<title>Release 13.10 (“Aardvark”, 2013/10/31)</title>

<para>This is the first stable release branch of NixOS.</para>

</section>

</appendix>