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Some release notes updates

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Eelco Dolstra 2016-09-29 13:48:38 +02:00
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nixos/doc/manual/release-notes/rl-1609.xml
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@ -4,7 +4,7 @@
version="5.0"
xml:id="sec-release-16.09">
<title>Release 16.09 (“Flounder”, 2016/09/??)</title>
<title>Release 16.09 (“Flounder”, 2016/09/31)</title>
<para>In addition to numerous new and upgraded packages, this release
has the following highlights: </para>
@ -12,22 +12,45 @@ has the following highlights: </para>
<itemizedlist>
<listitem>
<para>PXE "netboot" media has landed in <link xlink:href="https://github.com/NixOS/nixpkgs/pull/14740" />.
See <xref linkend="sec-booting-from-pxe" /> for documentation.</para>
<para>Many NixOS configurations and Nix packages now use
significantly less disk space, thanks to the <link
xlink:href="https://github.com/NixOS/nixpkgs/issues/7117">extensive
work on closure size reduction</link>. For example, the closure
size of a minimal NixOS container went down from ~424 MiB in 16.03
to ~212 MiB in 16.09, while the closure size of Firefox went from
~651 MiB to ~259 MiB.</para>
</listitem>
<listitem>
<para>Xorg-server-1.18.*. If you choose <literal>"ati_unfree"</literal> driver,
1.17.* is still used due to ABI incompatibility.</para>
<para>To improve security, packages are now <link
xlink:href="https://github.com/NixOS/nixpkgs/pull/12895">built
using various hardening features</link>. See the Nixpkgs manual
for more information.</para>
</listitem>
<listitem>
<para>Support for PXE netboot. See <xref
linkend="sec-booting-from-pxe" /> for documentation.</para>
</listitem>
<listitem>
<para>X.org server 1.18. If you use the
<literal>ati_unfree</literal> driver, 1.17 is still used due to an
ABI incompatibility.</para>
</listitem>
<listitem>
<para>This release is based on Glibc 2.24, GCC 5.4.0 and systemd
231. The default Linux kernel remains 4.4.</para>
</listitem>
</itemizedlist>
<para>The following new services were added since the last release:</para>
<itemizedlist>
<listitem><para><literal>(this will get automatically generated at release time)</literal></para></listitem>
</itemizedlist>
<itemizedlist>
<listitem><para><literal>(this will get automatically generated at release time)</literal></para></listitem>
</itemizedlist>
<para>When upgrading from a previous release, please be aware of the
following incompatible changes:</para>
@ -36,7 +59,8 @@ following incompatible changes:</para>
<listitem>
<para>A large number of packages have been converted to use the multiple outputs feature
of Nix to greatly reduce the amount of required disk space. This may require changes
of Nix to greatly reduce the amount of required disk space, as
mentioned above. This may require changes
to any custom packages to make them build again; see the relevant chapter in the
Nixpkgs manual for more information. (Additional caveat to packagers: some packaging conventions
related to multiple-output packages
@ -58,16 +82,12 @@ following incompatible changes:</para>
</listitem>
<listitem>
<para>/var/setuid-wrappers/
<link xlink:href="https://github.com/NixOS/nixpkgs/pull/18124">is now a symlink so
it can be atomically updated</link>
and it's not mounted as tmpfs anymore since setuid binaries are located on /run/ as tmpfs.
</para>
</listitem>
<listitem>
<para>Gitlab's maintainence script gitlab-runner was removed and split up into the more clearer
gitlab-run and gitlab-rake scripts because gitlab-runner is a component of Gitlab CI.</para>
<para>Gitlab's maintainance script
<command>gitlab-runner</command> was removed and split up into the
more clearer <command>gitlab-run</command> and
<command>gitlab-rake</command> scripts, because
<command>gitlab-runner</command> is a component of Gitlab
CI.</para>
</listitem>
<listitem>
@ -80,14 +100,14 @@ following incompatible changes:</para>
<listitem>
<para><literal>fonts.fontconfig.ultimate.rendering</literal> was removed
because our presets were obsolete for some time. New presets are hardcoded
into freetype; one selects a preset via <literal>fonts.fontconfig.ultimate.preset</literal>.
into FreeType; you can select a preset via <literal>fonts.fontconfig.ultimate.preset</literal>.
You can customize those presets via ordinary environment variables, using
<literal>environment.variables</literal>.</para>
</listitem>
<listitem>
<para>The <literal>audit</literal> service is no longer enabled by default.
Use <literal>security.audit.enable = true;</literal> to explicitly enable it.</para>
Use <literal>security.audit.enable = true</literal> to explicitly enable it.</para>
</listitem>
<listitem>
@ -100,10 +120,11 @@ following incompatible changes:</para>
</listitem>
<listitem>
<para><literal>goPackages</literal> was replaced with separated Go applications
in appropriate <literal>nixpkgs</literal> categories. Each Go package uses its own
dependency set defined in nix. There's also a new <literal>go2nix</literal>
tool introduced to generate Go package definition from its Go source automatically.</para>
<para><literal>goPackages</literal> was replaced with separated Go
applications in appropriate <literal>nixpkgs</literal>
categories. Each Go package uses its own dependency set. There's
also a new <literal>go2nix</literal> tool introduced to generate a
Go package definition from its Go source automatically.</para>
</listitem>
<listitem>
@ -127,10 +148,11 @@ following incompatible changes:</para>
</para></listitem>
<listitem><para>Special filesystems, like <literal>/proc</literal>,
<literal>/run</literal> and others, now have the same mount options as
recommended by systemd. They are now unified across different places in NixOS.
Options are also updated on the system switch if possible. One benefit from
this is improved security -- most such filesystems are now mounted with
<literal>/run</literal> and others, now have the same mount options
as recommended by systemd and are unified across different places in
NixOS. Mount options are updated during <command>nixos-rebuild
switch</command> if possible. One benefit from this is improved
security — most such filesystems are now mounted with
<literal>noexec</literal>, <literal>nodev</literal> and/or
<literal>nosuid</literal> options.</para></listitem>
@ -141,11 +163,18 @@ following incompatible changes:</para>
debugging.</para></listitem>
<listitem><para>Containers configuration within
<literal>containers.&lt;name&gt;.config</literal> is now properly
typed and checked. In particular, partial configurations are merged
correctly.
(<link xlink:href="https://github.com/NixOS/nixpkgs/pull/17365">#17365</link>)
</para></listitem>
<literal>containers.&lt;name&gt;.config</literal> is <link
xlink:href="https://github.com/NixOS/nixpkgs/pull/17365">now
properly typed and checked</link>. In particular, partial
configurations are merged correctly.</para></listitem>
<listitem>
<para>The directory container setuid wrapper programs,
<filename>/var/setuid-wrappers</filename>, <link
xlink:href="https://github.com/NixOS/nixpkgs/pull/18124">is now
updated atomically to prevent failures if the switch to a new
configuration is interrupted.</link></para>
</listitem>
</itemizedlist>