release/doc/en_US.ISO8859-1/relnotes/article.xml

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   7  %sponsor;
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  11 <article xmlns="http://docbook.org/ns/docbook"
  12   xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
  13
  14   <info>
  15     <title>&os; &release.current; Release Notes</title>
  16
  17     <author>
  18       <orgname>The &os; Project</orgname>
  19     </author>
  20
  21     <pubdate>$FreeBSD$</pubdate>
  22
  23     <copyright>
  24       <year>2015</year>
  25       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
  26         Project</holder>
  27     </copyright>
  28
  29     <legalnotice xml:id="trademarks" role="trademarks">
  30       &tm-attrib.freebsd;
  31       &tm-attrib.ibm;
  32       &tm-attrib.ieee;
  33       &tm-attrib.intel;
  34       &tm-attrib.sparc;
  35       &tm-attrib.general;
  36     </legalnotice>
  37
  38     <abstract>
  39       <para>The release notes for &os; &release.current; contain
  40         a summary of the changes made to the &os; base system on the
  41         &release.branch; development line.  This document lists
  42         applicable security advisories that were issued since the last
  43         release, as well as significant changes to the &os; kernel and
  44         userland.  Some brief remarks on upgrading are also
  45         presented.</para>
  46     </abstract>
  47   </info>
  48
  49   <sect1 xml:id="intro">
  50     <title>Introduction</title>
  51
  52     <para>This document contains the release notes for &os;
  53       &release.current;.  It describes recently added, changed, or
  54       deleted features of &os;.  It also provides some notes on
  55       upgrading from previous versions of &os;.</para>
  56
  57     <para releasetype="current">The &release.type; distribution to
  58       which these release notes apply represents the latest point
  59       along the &release.branch; development branch since
  60       &release.branch; was created.  Information regarding pre-built,
  61       binary &release.type; distributions along this branch can be
  62       found at <uri
  63         xlink:href="&release.url;">&release.url;</uri>.</para>
  64
  65     <para releasetype="snapshot">The &release.type; distribution to
  66       which these release notes apply represents a point along the
  67       &release.branch; development branch between &release.prev; and
  68       the future &release.next;.  Information regarding pre-built,
  69       binary &release.type; distributions along this branch can be
  70       found at <uri
  71         xlink:href="&release.url;">&release.url;</uri>.</para>
  72
  73     <para releasetype="release">This distribution of &os;
  74       &release.current; is a &release.type; distribution.  It can be
  75       found at <uri xlink:href="&release.url;">&release.url;</uri> or
  76       any of its mirrors.  More information on obtaining this (or
  77       other) &release.type; distributions of &os; can be found in the
  78       <link
  79         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
  80           &os;</quote> appendix</link> to the <link
  81         xlink:href="&url.books.handbook;/">&os;
  82         Handbook</link>.</para>
  83
  84     <para>All users are encouraged to consult the release errata
  85       before installing &os;.  The errata document is updated with
  86       <quote>late-breaking</quote> information discovered late in the
  87       release cycle or after the release.  Typically, it contains
  88       information on known bugs, security advisories, and corrections
  89       to documentation.  An up-to-date copy of the errata for &os;
  90       &release.current; can be found on the &os; Web site.</para>
  91   </sect1>
  92
  93   <sect1 xml:id="new">
  94     <title>What's New</title>
  95
  96     <para>This section describes the most user-visible new or changed
  97       features in &os; since &release.prev;.</para>
  98
  99     <para>Typical release note items document recent security
 100       advisories issued after &release.prev;, new drivers or hardware
 101       support, new commands or options, major bug fixes, or
 102       contributed software upgrades.  They may also list changes to
 103       major ports/packages or release engineering practices.  Clearly
 104       the release notes cannot list every single change made to &os;
 105       between releases; this document focuses primarily on security
 106       advisories, user-visible changes, and major architectural
 107       improvements.</para>
 108
 109     <sect2 xml:id="security">
 110       <title>Security Advisories</title>
 111
 112       <para>&nbsp;</para>
 113
 114     </sect2>
 115
 116     <sect2 xml:id="kernel">
 117       <title>Kernel Changes</title>
 118
 119       <para>&nbsp;</para>
 120
 121       <sect3 xml:id="kernel-virtualization">
 122         <title>Virtualization Support</title>
 123
 124         <para>&nbsp;</para>
 125       </sect3>
 126
 127       <sect3 xml:id="kernel-arm">
 128         <title>ARM Support</title>
 129
 130         <para>&nbsp;</para>
 131       </sect3>
 132
 133       <sect3 xml:id="boot">
 134         <title>Boot Loader Changes</title>
 135
 136         <para>&nbsp;</para>
 137       </sect3>
 138
 139       <sect3 xml:id="proc">
 140         <title>Hardware Support</title>
 141
 142         <para>&nbsp;</para>
 143
 144         <sect4 xml:id="mm">
 145           <title>Multimedia Support</title>
 146
 147           <para>&nbsp;</para>
 148         </sect4>
 149
 150         <sect4 xml:id="net-if">
 151           <title>Network Interface Support</title>
 152
 153           <para>&nbsp;</para>
 154         </sect4>
 155       </sect3>
 156
 157       <sect3 xml:id="net-proto">
 158         <title>Network Protocols</title>
 159
 160         <para>&nbsp;</para>
 161       </sect3>
 162
 163       <sect3 xml:id="disks">
 164         <title>Disks and Storage</title>
 165
 166         <para revision="274939" contrib="sponsor" sponsor="&ix;">The
 167           &man.ctld.8; utility has been updated to include support for
 168           registering <acronym>iSCSI</acronym> targets and portals on
 169           <acronym>iSNS</acronym> servers.  This provides a mechanism
 170           which allows <acronym>iSCSI</acronym> initiators to find
 171           targets and portals without requiring active
 172           discovery.</para>
 173
 174         <para revision="275891" contrib="sponsor" sponsor="&ix;">The
 175           &man.ctl.4; subsystem has been updated, increasing the ports
 176           limit from <literal>128</literal> to <literal>256</literal>,
 177           and <acronym>LUN</acronym> limit from <literal>256</literal>
 178           to <literal>1024</literal>.</para>
 179       </sect3>
 180
 181       <sect3 xml:id="fs">
 182         <title>File Systems</title>
 183
 184         <para revision="275490">A new tunable,
 185           <literal>vfs.zfs.spa_slop_shift</literal>, has been added,
 186           which controls how much space is reserved by default.</para>
 187       </sect3>
 188     </sect2>
 189
 190     <sect2 xml:id="userland">
 191       <title>Userland Changes</title>
 192
 193       <para revision="275040">A new file configuration library,
 194         &man.figpar.3;, has been added to the base system.</para>
 195
 196       <para revision="275040">A new utility, &man.dpv.1;, has been
 197         added to the base system, providing a &man.dialog.1;-style
 198         progress view from one or more input streams.  A corresponding
 199         library, &man.dpv.3;, has also been added.</para>
 200
 201       <para revision="275945">The &man.elfdump.1; utility has been
 202         updated to support capability mode provided by
 203         &man.capsicum.4;.</para>
 204
 205       <sect3 xml:id="rc-scripts">
 206         <title><filename>/etc/rc.d</filename> Scripts</title>
 207
 208         <para>&nbsp;</para>
 209       </sect3>
 210     </sect2>
 211
 212     <sect2 xml:id="contrib">
 213       <title>Contributed Software</title>
 214
 215       <para>&nbsp;</para>
 216     </sect2>
 217
 218     <sect2 xml:id="ports">
 219       <title>Ports/Packages Collection Infrastructure</title>
 220
 221       <para>&nbsp;</para>
 222     </sect2>
 223
 224     <sect2 xml:id="releng">
 225       <title>Release Engineering and Integration</title>
 226
 227       <para>&nbsp;</para>
 228     </sect2>
 229
 230     <sect2 xml:id="doc">
 231       <title>Documentation</title>
 232
 233       <para>&nbsp;</para>
 234     </sect2>
 235   </sect1>
 236
 237   <sect1 xml:id="upgrade">
 238     <title>Upgrading from Previous Releases of &os;</title>
 239
 240     <para arch="amd64,i386">Binary upgrades between RELEASE versions
 241       (and snapshots of the various security branches) are supported
 242       using the &man.freebsd-update.8; utility.  The binary upgrade
 243       procedure will update unmodified userland utilities, as well as
 244       unmodified <filename>GENERIC</filename> kernel distributed as
 245       a part of an official &os; release.  The &man.freebsd-update.8;
 246       utility requires that the host being upgraded have Internet
 247       connectivity.</para>
 248
 249     <para>Source-based upgrades (those based on recompiling the &os;
 250       base system from source code) from previous versions are
 251       supported, according to the instructions in
 252       <filename>/usr/src/UPDATING</filename>.</para>
 253
 254     <important>
 255       <para>Upgrading &os; should only be attempted after
 256         backing up <emphasis>all</emphasis> data and configuration
 257         files.</para>
 258     </important>
 259   </sect1>
 260 </article>