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

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   2 <!DOCTYPE article PUBLIC "-//FreeBSD//DTD DocBook XML V5.0-Based Extension//EN"
   3         "../../../share/xml/freebsd50.dtd" [
   4 <!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent">
   5  %release;
   6 <!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent">
   7  %sponsor;
   8 <!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent">
   9  %vendor;
  10 <!ENTITY security SYSTEM "../../share/xml/security.xml">
  11 <!ENTITY errata SYSTEM "../../share/xml/errata.xml">
  12 ]>
  13 <article xmlns="http://docbook.org/ns/docbook"
  14   xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
  15
  16   <info>
  17     <title>&os; &release.current; Release Notes</title>
  18
  19     <author>
  20       <orgname>The &os; Project</orgname>
  21     </author>
  22
  23     <pubdate>$FreeBSD$</pubdate>
  24
  25     <!-- First rev: 285831 -->
  26     <!-- Last rev: 284813 -->
  27
  28     <copyright>
  29       <year>2015</year>
  30       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
  31         Project</holder>
  32     </copyright>
  33
  34     <legalnotice xml:id="trademarks" role="trademarks">
  35       &tm-attrib.freebsd;
  36       &tm-attrib.ibm;
  37       &tm-attrib.ieee;
  38       &tm-attrib.intel;
  39       &tm-attrib.sparc;
  40       &tm-attrib.general;
  41     </legalnotice>
  42
  43     <abstract>
  44       <para>The release notes for &os; &release.current; contain
  45         a summary of the changes made to the &os; base system on the
  46         &release.branch; development line.  This document lists
  47         applicable security advisories that were issued since the last
  48         release, as well as significant changes to the &os; kernel and
  49         userland.  Some brief remarks on upgrading are also
  50         presented.</para>
  51     </abstract>
  52   </info>
  53
  54   <sect1 xml:id="intro">
  55     <title>Introduction</title>
  56
  57     <para>This document contains the release notes for &os;
  58       &release.current;.  It describes recently added, changed, or
  59       deleted features of &os;.  It also provides some notes on
  60       upgrading from previous versions of &os;.</para>
  61
  62     <para releasetype="current">The &release.type; distribution to
  63       which these release notes apply represents the latest point
  64       along the &release.branch; development branch since
  65       &release.branch; was created.  Information regarding pre-built,
  66       binary &release.type; distributions along this branch can be
  67       found at <uri
  68         xlink:href="&release.url;">&release.url;</uri>.</para>
  69
  70     <para releasetype="snapshot">The &release.type; distribution to
  71       which these release notes apply represents a point along the
  72       &release.branch; development branch between &release.prev; and
  73       the future &release.next;.  Information regarding pre-built,
  74       binary &release.type; distributions along this branch can be
  75       found at <uri
  76         xlink:href="&release.url;">&release.url;</uri>.</para>
  77
  78     <para releasetype="release">This distribution of &os;
  79       &release.current; is a &release.type; distribution.  It can be
  80       found at <uri xlink:href="&release.url;">&release.url;</uri> or
  81       any of its mirrors.  More information on obtaining this (or
  82       other) &release.type; distributions of &os; can be found in the
  83       <link
  84         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
  85           &os;</quote> appendix</link> to the <link
  86         xlink:href="&url.books.handbook;/">&os;
  87         Handbook</link>.</para>
  88
  89     <para>All users are encouraged to consult the release errata
  90       before installing &os;.  The errata document is updated with
  91       <quote>late-breaking</quote> information discovered late in the
  92       release cycle or after the release.  Typically, it contains
  93       information on known bugs, security advisories, and corrections
  94       to documentation.  An up-to-date copy of the errata for &os;
  95       &release.current; can be found on the &os; Web site.</para>
  96
  97     <para>This document describes the most user-visible new or changed
  98       features in &os; since &release.prev;.</para>
  99
 100     <para>Typical release note items document recent security
 101       advisories issued after &release.prev;, new drivers or hardware
 102       support, new commands or options, major bug fixes, or
 103       contributed software upgrades.  They may also list changes to
 104       major ports/packages or release engineering practices.  Clearly
 105       the release notes cannot list every single change made to &os;
 106       between releases; this document focuses primarily on security
 107       advisories, user-visible changes, and major architectural
 108       improvements.</para>
 109   </sect1>
 110
 111   <sect1 xml:id="upgrade">
 112     <title>Upgrading from Previous Releases of &os;</title>
 113
 114     <para arch="amd64,i386">Binary upgrades between RELEASE versions
 115       (and snapshots of the various security branches) are supported
 116       using the &man.freebsd-update.8; utility.  The binary upgrade
 117       procedure will update unmodified userland utilities, as well as
 118       unmodified <filename>GENERIC</filename> kernel distributed as
 119       a part of an official &os; release.  The &man.freebsd-update.8;
 120       utility requires that the host being upgraded have Internet
 121       connectivity.</para>
 122
 123     <para>Source-based upgrades (those based on recompiling the &os;
 124       base system from source code) from previous versions are
 125       supported, according to the instructions in
 126       <filename>/usr/src/UPDATING</filename>.</para>
 127
 128     <important>
 129       <para>Upgrading &os; should only be attempted after
 130         backing up <emphasis>all</emphasis> data and configuration
 131         files.</para>
 132     </important>
 133   </sect1>
 134
 135   <sect1 xml:id="security-errata">
 136     <title>Security and Errata</title>
 137
 138     <para>This section lists the various Security Advisories and
 139       Errata Notices since &release.prev;.</para>
 140
 141     <sect2 xml:id="security">
 142       <title>Security Advisories</title>
 143
 144       &security;
 145     </sect2>
 146
 147     <sect2 xml:id="errata">
 148       <title>Errata Notices</title>
 149
 150       &errata;
 151     </sect2>
 152   </sect1>
 153
 154   <sect1 xml:id="userland">
 155     <title>Userland</title>
 156
 157     <para>This section covers changes and additions to userland
 158       applications, contributed software, and system utilities.</para>
 159
 160     <sect2 xml:id="userland-config">
 161       <title>Userland Configuration Changes</title>
 162
 163       <para>&nbsp;</para>
 164     </sect2>
 165
 166     <sect2 xml:id="userland-programs">
 167       <title>Userland Application Changes</title>
 168
 169       <para revision="286064">The &man.jail.8; utility has been
 170         updated to include a new flag, <literal>-l</literal>, which
 171         ensures a clean environment in the target jail when used.
 172         Additionally, &man.jail.8; will run a shell within the target
 173         jail when run no commands are specified.</para>
 174
 175       <para revision="287122">The &man.mkimg.1; utility has been
 176         updated to include support for <literal>NTFS</literal>
 177         filesystems in both <acronym>MBR</acronym> and
 178         <acronym>GPT</acronym> partitioning schemes.</para>
 179
 180       <para revision="288202" contrib="sponsor" sponsor="&ff;">The
 181         &man.ar.1; utility now enables deterministic mode
 182         (<literal>-D</literal>) by default.  This behavior can be
 183         disabled by specifying the <literal>-U</literal> flag.</para>
 184
 185       <para revision="287746">The &man.pciconf.8; utility has been
 186         updated to use the PCI ID database from the <filename
 187           role="package">misc/pciids</filename> package, if present,
 188         falling back to the PCI ID database in the &os; base
 189         system.</para>
 190
 191       <para revision="288710" contrib="sponsor" sponsor="&gandi;">A
 192         new utility, &man.sesutil.8;, has been added, which is used
 193         to manage &man.ses.4; devices.</para>
 194     </sect2>
 195
 196     <sect2 xml:id="userland-contrib">
 197       <title>Contributed Software</title>
 198
 199       <para revision="286082">The &man.libarchive.3; library has been
 200         updated to properly skip a sparse file entry in a &man.tar.1;
 201         file, which would previously produce errors.</para>
 202
 203       <para revision="286751">Timezone data files have been updated to
 204         version 2015f.</para>
 205
 206       <para revision="295690">The
 207         <literal>unbound-control-setup</literal> script has been
 208         removed from the base system.</para>
 209
 210       <para revision="295691">The &man.unbound.8; utility has been
 211         updated to enable the <literal>insecure-lan-zones</literal>
 212         option in preference of listing each <acronym>AS112</acronym>
 213         zone individually.</para>
 214
 215       <para revision="296317">The <application>OpenSSL</application>
 216         suite has been updated to version 1.0.1s.</para>
 217     </sect2>
 218
 219     <sect2 xml:id="userland-installer">
 220       <title>Installation and Configuration Tools</title>
 221
 222       <para>&nbsp;</para>
 223     </sect2>
 224
 225     <sect2 xml:id="userland-rc">
 226       <title><filename class="directory">/etc/rc.d</filename>
 227         Scripts</title>
 228
 229       <para>&nbsp;</para>
 230     </sect2>
 231
 232     <sect2 xml:id="userland-periodic">
 233       <title><filename class="directory">/etc/periodic</filename>
 234         Scripts</title>
 235
 236       <para>&nbsp;</para>
 237     </sect2>
 238
 239     <sect2 xml:id="userland-libraries">
 240       <title>Runtime Libraries and API</title>
 241
 242       <para>&nbsp;</para>
 243     </sect2>
 244
 245     <sect2 xml:id="userland-abi">
 246       <title>ABI Compatibility</title>
 247
 248       <para>&nbsp;</para>
 249     </sect2>
 250   </sect1>
 251
 252   <sect1 xml:id="kernel">
 253     <title>Kernel</title>
 254
 255     <para>This section covers changes to kernel configurations, system
 256       tuning, and system control parameters that are not otherwise
 257       categorized.</para>
 258
 259     <sect2 xml:id="kernel-bugfix">
 260       <title>Kernel Bug Fixes</title>
 261
 262       <para revision="288167" contrib="sponsor"
 263         sponsor="&multiplay;">The &man.kqueue.2; system call has been
 264         updated to handle write events to files larger than 2
 265         gigabytes.</para>
 266     </sect2>
 267
 268     <sect2 xml:id="kernel-config">
 269       <title>Kernel Configuration</title>
 270
 271       <para>&nbsp;</para>
 272     </sect2>
 273
 274     <sect2 xml:id="kernel-sysctl">
 275       <title>System Tuning and Controls</title>
 276
 277       <para revision="287037">The &man.uart.4; driver has been
 278         updated to allow tuning pulses per second captured in the
 279         CTS line during runtime, whereas previously only the DCD line
 280         could be used without rebuilding the kernel.</para>
 281     </sect2>
 282   </sect1>
 283
 284   <sect1 xml:id="drivers">
 285     <title>Devices and Drivers</title>
 286
 287     <para>This section covers changes and additions to devices and
 288       device drivers since &release.prev;.</para>
 289
 290     <sect2 xml:id="drivers-device">
 291       <title>Device Drivers</title>
 292
 293       <para>&nbsp;</para>
 294     </sect2>
 295
 296     <sect2 xml:id="drivers-storage">
 297       <title>Storage Drivers</title>
 298
 299       <para revision="288732" contrib="sponsor" sponsor="&ix;">The
 300         <acronym>CTL</acronym> High Availability implementation has
 301         been rewritten.</para>
 302
 303       <para revision="288810">The &man.ctl.4; driver has been updated
 304         to support CD-ROM and removable devices.</para>
 305     </sect2>
 306
 307     <sect2 xml:id="drivers-network">
 308       <title>Network Drivers</title>
 309
 310       <para revision="295524" contrib="sponsor"
 311         sponsor="&limelight;, &intelcorp;">The &man.ixgbe.4; driver
 312         has been updated to version 3.1.13-k.</para>
 313     </sect2>
 314   </sect1>
 315
 316   <sect1 xml:id="hardware">
 317     <title>Hardware Support</title>
 318
 319     <para>This section covers general hardware support for physical
 320       machines, hypervisors, and virtualization environments, as well
 321       as hardware changes and updates that do not otherwise fit in
 322       other sections of this document.</para>
 323
 324     <sect2 xml:id="hardware-support">
 325       <title>Hardware Support</title>
 326
 327       <para>&nbsp;</para>
 328     </sect2>
 329
 330     <sect2 xml:id="hardware-virtualization">
 331       <title>Virtualization Support</title>
 332
 333       <para revision="287802">The &man.xen.4; driver has been updated
 334         to include support for <literal>blkif</literal> indirect
 335         segment I/O.</para>
 336     </sect2>
 337
 338     <sect2 xml:id="hardware-arm">
 339       <title>ARM Support</title>
 340
 341       <para>&nbsp;</para>
 342     </sect2>
 343   </sect1>
 344
 345   <sect1 xml:id="storage">
 346     <title>Storage</title>
 347
 348     <para>This section covers changes and additions to file systems
 349       and other storage subsystems, both local and networked.</para>
 350
 351     <sect2 xml:id="storage-general">
 352       <title>General Storage</title>
 353
 354       <para>&nbsp;</para>
 355     </sect2>
 356
 357     <sect2 xml:id="storage-net">
 358       <title>Networked Storage</title>
 359
 360       <para>&nbsp;</para>
 361     </sect2>
 362
 363     <sect2 xml:id="storage-zfs">
 364       <title>ZFS</title>
 365
 366       <para revision="287665" contrib="sponsor"
 367         sponsor="&clusterhq;">The &man.zfs.8; <literal>l2arc</literal>
 368         code has been updated to take <literal>ashift</literal> into
 369         account when gathering buffers to be written to the
 370         <literal>l2arc</literal> device.</para>
 371     </sect2>
 372
 373     <sect2 xml:id="storage-geom">
 374       <title>&man.geom.4;</title>
 375
 376       <para>&nbsp;</para>
 377     </sect2>
 378   </sect1>
 379
 380   <sect1 xml:id="boot">
 381     <title>Boot Loader Changes</title>
 382
 383     <para>This section covers the boot loader, boot menu, and other
 384       boot-related changes.</para>
 385
 386     <sect2 xml:id="boot-loader">
 387       <title>Boot Loader Changes</title>
 388
 389       <para revision="295475" contrib="sponsor"
 390         sponsor="&scaleengine;">The <acronym>UEFI</acronym> loader has
 391         been updated to support multiple <acronym>ZFS</acronym> boot
 392         environments, such as those provided by <filename
 393           role="package">sysutils/beadm</filename>.</para>
 394     </sect2>
 395
 396     <sect2 xml:id="boot-menu">
 397       <title>Boot Menu Changes</title>
 398
 399       <para>&nbsp;</para>
 400     </sect2>
 401   </sect1>
 402
 403   <sect1 xml:id="network">
 404     <title>Networking</title>
 405
 406     <para>This section describes changes that affect networking in
 407       &os;.</para>
 408
 409     <sect2 xml:id="network-protocols">
 410       <title>Network Protocols</title>
 411
 412       <para>&nbsp;</para>
 413     </sect2>
 414   </sect1>
 415
 416   <sect1 xml:id="ports">
 417     <title>Ports Collection and Package Infrastructure</title>
 418
 419     <para>This section covers changes to the &os;&nbsp;Ports
 420       Collection, package infrastructure, and package maintenance and
 421       installation tools.</para>
 422
 423     <sect2 xml:id="ports-infrastructure">
 424       <title>Infrastructure Changes</title>
 425
 426       <para>&nbsp;</para>
 427     </sect2>
 428
 429     <sect2 xml:id="ports-packages ">
 430       <title>Packaging Changes</title>
 431
 432       <para>&nbsp;</para>
 433     </sect2>
 434   </sect1>
 435
 436   <sect1 xml:id="doc">
 437     <title>Documentation</title>
 438
 439     <para>This section covers changes to the &os;&nbsp;Documentation
 440       Project sources and toolchain.</para>
 441
 442     <sect2 xml:id="doc-sources">
 443       <title>Documentation Source Changes</title>
 444
 445       <para>&nbsp;</para>
 446     </sect2>
 447
 448     <sect2 xml:id="doc-toolchain">
 449       <title>Documentation Toolchain Changes</title>
 450
 451       <para>&nbsp;</para>
 452     </sect2>
 453   </sect1>
 454
 455   <sect1 xml:id="releng">
 456     <title>Release Engineering and Integration</title>
 457
 458     <para>This section convers changes that are specific to the
 459       &os;&nbsp;Release Engineering processes.</para>
 460
 461     <sect2 xml:id="releng-changes">
 462       <title>Integration Changes</title>
 463
 464       <para>&nbsp;</para>
 465     </sect2>
 466   </sect1>
 467 </article>