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

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   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>2016</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
 195       <para revision="291774">The &man.cp.1; utility has been updated
 196         to include a new flag, <literal>-s</literal>, which creates
 197         a symbolic link to the specified source.</para>
 198
 199       <para revision="292231">Support for the
 200         <literal>-manage-gids</literal> has been added to
 201         &man.nfsd.8;.  This option can be enabled at boot time by
 202         adding <literal>nfs_server_managegids="YES"</literal> to
 203         &man.rc.conf.5;.</para>
 204
 205       <para revision="292462" contrib="sponsor"
 206         sponsor="&dellinc;">The resolver library has been updated to
 207         reload <filename>/etc/resolv.conf</filename> if the
 208         modification time has changed.</para>
 209
 210       <para revision="293744" contrib="sponsor" sponsor="&ff;">The
 211         initial implementation of <quote>reroot</quote> support has
 212         been added to the &man.shutdown.8; utility, allowing the root
 213         filesystem to be mounted from a temporary source filesystem
 214         without requiring a full system reboot.</para>
 215     </sect2>
 216
 217     <sect2 xml:id="userland-contrib">
 218       <title>Contributed Software</title>
 219
 220       <para revision="286082">The &man.libarchive.3; library has been
 221         updated to properly skip a sparse file entry in a &man.tar.1;
 222         file, which would previously produce errors.</para>
 223
 224       <para revision="286751">Timezone data files have been updated to
 225         version 2015f.</para>
 226
 227       <para revision="290152">The &man.file.1; utility has been
 228         updated to version 5.25.</para>
 229
 230       <para revision="292588">The &man.xz.1; utility has been updated
 231         to version 5.2.2, which provides support for multi-threaded
 232         compression.</para>
 233
 234       <para revision="293650">The &man.ntpd.8; utility has been
 235         updated to version 4.2.8p5.</para>
 236
 237       <para revision="294190">The &man.unbound.8; utility has been
 238         updated to version 1.5.7.</para>
 239
 240       <para revision="294286">The &man.less.1; utility has been
 241         updated to version v481.</para>
 242
 243       <para revision="295690">The
 244         <literal>unbound-control-setup</literal> script has been
 245         removed from the base system.</para>
 246
 247       <para revision="295691">The &man.unbound.8; utility has been
 248         updated to enable the <literal>insecure-lan-zones</literal>
 249         option in preference of listing each <acronym>AS112</acronym>
 250         zone individually.</para>
 251
 252       <para revision="296317">The <application>OpenSSL</application>
 253         suite has been updated to version 1.0.1s.</para>
 254
 255       <para revision="296853">The <application>OpenSSH</application>
 256         suite has been updated to version 7.2p2.</para>
 257     </sect2>
 258
 259     <sect2 xml:id="userland-installer">
 260       <title>Installation and Configuration Tools</title>
 261
 262       <para revision="295264" contrib="sponsor"
 263         sponsor="&scaleengine;">The &man.bsdinstall.8; utility has
 264         been updated to support <acronym>ZFS</acronym> installation
 265         on <acronym>EFI</acronym>-based systems.</para>
 266     </sect2>
 267
 268     <sect2 xml:id="userland-rc">
 269       <title><filename class="directory">/etc/rc.d</filename>
 270         Scripts</title>
 271
 272       <para revision="294680">The <literal>netwait</literal>
 273         &man.rc.8; script has been updated to wait for network
 274         interfaces that attach late in the boot process, such as some
 275         <acronym>USB</acronym> network cards.</para>
 276     </sect2>
 277
 278     <sect2 xml:id="userland-periodic">
 279       <title><filename class="directory">/etc/periodic</filename>
 280         Scripts</title>
 281
 282       <para>&nbsp;</para>
 283     </sect2>
 284
 285     <sect2 xml:id="userland-libraries">
 286       <title>Runtime Libraries and API</title>
 287
 288       <para>&nbsp;</para>
 289     </sect2>
 290
 291     <sect2 xml:id="userland-abi">
 292       <title>ABI Compatibility</title>
 293
 294       <para>&nbsp;</para>
 295     </sect2>
 296   </sect1>
 297
 298   <sect1 xml:id="kernel">
 299     <title>Kernel</title>
 300
 301     <para>This section covers changes to kernel configurations, system
 302       tuning, and system control parameters that are not otherwise
 303       categorized.</para>
 304
 305     <sect2 xml:id="kernel-bugfix">
 306       <title>Kernel Bug Fixes</title>
 307
 308       <para revision="288167" contrib="sponsor"
 309         sponsor="&multiplay;">The &man.kqueue.2; system call has been
 310         updated to handle write events to files larger than 2
 311         gigabytes.</para>
 312     </sect2>
 313
 314     <sect2 xml:id="kernel-config">
 315       <title>Kernel Configuration</title>
 316
 317       <para>&nbsp;</para>
 318     </sect2>
 319
 320     <sect2 xml:id="kernel-sysctl">
 321       <title>System Tuning and Controls</title>
 322
 323       <para revision="287037">The &man.uart.4; driver has been
 324         updated to allow tuning pulses per second captured in the
 325         CTS line during runtime, whereas previously only the DCD line
 326         could be used without rebuilding the kernel.</para>
 327     </sect2>
 328   </sect1>
 329
 330   <sect1 xml:id="drivers">
 331     <title>Devices and Drivers</title>
 332
 333     <para>This section covers changes and additions to devices and
 334       device drivers since &release.prev;.</para>
 335
 336     <sect2 xml:id="drivers-device">
 337       <title>Device Drivers</title>
 338
 339       <para>&nbsp;</para>
 340     </sect2>
 341
 342     <sect2 xml:id="drivers-storage">
 343       <title>Storage Drivers</title>
 344
 345       <para revision="288732" contrib="sponsor" sponsor="&ix;">The
 346         <acronym>CTL</acronym> High Availability implementation has
 347         been rewritten.</para>
 348
 349       <para revision="288810">The &man.ctl.4; driver has been updated
 350         to support CD-ROM and removable devices.</para>
 351     </sect2>
 352
 353     <sect2 xml:id="drivers-network">
 354       <title>Network Drivers</title>
 355
 356       <para revision="295524" contrib="sponsor"
 357         sponsor="&limelight;, &intelcorp;">The &man.ixgbe.4; driver
 358         has been updated to version 3.1.13-k.</para>
 359     </sect2>
 360   </sect1>
 361
 362   <sect1 xml:id="hardware">
 363     <title>Hardware Support</title>
 364
 365     <para>This section covers general hardware support for physical
 366       machines, hypervisors, and virtualization environments, as well
 367       as hardware changes and updates that do not otherwise fit in
 368       other sections of this document.</para>
 369
 370     <sect2 xml:id="hardware-support">
 371       <title>Hardware Support</title>
 372
 373       <para revision="293675">The &man.ismt.4; driver has been added,
 374         providing support for recent &intel; SMBus 2.0
 375         controllers.</para>
 376     </sect2>
 377
 378     <sect2 xml:id="hardware-virtualization">
 379       <title>Virtualization Support</title>
 380
 381       <para revision="287802">The &man.xen.4; driver has been updated
 382         to include support for <literal>blkif</literal> indirect
 383         segment I/O.</para>
 384     </sect2>
 385
 386     <sect2 xml:id="hardware-arm">
 387       <title>ARM Support</title>
 388
 389       <para>&nbsp;</para>
 390     </sect2>
 391   </sect1>
 392
 393   <sect1 xml:id="storage">
 394     <title>Storage</title>
 395
 396     <para>This section covers changes and additions to file systems
 397       and other storage subsystems, both local and networked.</para>
 398
 399     <sect2 xml:id="storage-general">
 400       <title>General Storage</title>
 401
 402       <para>&nbsp;</para>
 403     </sect2>
 404
 405     <sect2 xml:id="storage-net">
 406       <title>Networked Storage</title>
 407
 408       <para>&nbsp;</para>
 409     </sect2>
 410
 411     <sect2 xml:id="storage-zfs">
 412       <title>ZFS</title>
 413
 414       <para revision="287665" contrib="sponsor"
 415         sponsor="&clusterhq;">The &man.zfs.8; <literal>l2arc</literal>
 416         code has been updated to take <literal>ashift</literal> into
 417         account when gathering buffers to be written to the
 418         <literal>l2arc</literal> device.</para>
 419     </sect2>
 420
 421     <sect2 xml:id="storage-geom">
 422       <title>&man.geom.4;</title>
 423
 424       <para>&nbsp;</para>
 425     </sect2>
 426   </sect1>
 427
 428   <sect1 xml:id="boot">
 429     <title>Boot Loader Changes</title>
 430
 431     <para>This section covers the boot loader, boot menu, and other
 432       boot-related changes.</para>
 433
 434     <sect2 xml:id="boot-loader">
 435       <title>Boot Loader Changes</title>
 436
 437       <para revision="294445">Initial terminal emulation support has
 438         been added to <filename>loader.efi</filename> for
 439         <acronym>UEFI</acronym>-based systems.</para>
 440
 441       <para revision="294999" contrib="sponsor"
 442         sponsor="&multiplay;">Initial <acronym>ZFS</acronym> boot
 443         support has been added to the <acronym>EFI</acronym>
 444         implementation.</para>
 445
 446       <para revision="295475" contrib="sponsor"
 447         sponsor="&scaleengine;">The <acronym>UEFI</acronym> loader has
 448         been updated to support multiple <acronym>ZFS</acronym> boot
 449         environments, such as those provided by <filename
 450           role="package">sysutils/beadm</filename>.</para>
 451     </sect2>
 452
 453     <sect2 xml:id="boot-menu">
 454       <title>Boot Menu Changes</title>
 455
 456       <para revision="294446">The <acronym>UEFI</acronym> boot menu
 457         has been updated to enable the <quote>Beastie</quote> menu,
 458         similiar to the traditional &man.sc.4; boot menu.</para>
 459     </sect2>
 460   </sect1>
 461
 462   <sect1 xml:id="network">
 463     <title>Networking</title>
 464
 465     <para>This section describes changes that affect networking in
 466       &os;.</para>
 467
 468     <sect2 xml:id="network-protocols">
 469       <title>Network Protocols</title>
 470
 471       <para>&nbsp;</para>
 472     </sect2>
 473   </sect1>
 474
 475   <sect1 xml:id="ports">
 476     <title>Ports Collection and Package Infrastructure</title>
 477
 478     <para>This section covers changes to the &os;&nbsp;Ports
 479       Collection, package infrastructure, and package maintenance and
 480       installation tools.</para>
 481
 482     <sect2 xml:id="ports-infrastructure">
 483       <title>Infrastructure Changes</title>
 484
 485       <para>&nbsp;</para>
 486     </sect2>
 487
 488     <sect2 xml:id="ports-packages ">
 489       <title>Packaging Changes</title>
 490
 491       <para>&nbsp;</para>
 492     </sect2>
 493   </sect1>
 494
 495   <sect1 xml:id="doc">
 496     <title>Documentation</title>
 497
 498     <para>This section covers changes to the &os;&nbsp;Documentation
 499       Project sources and toolchain.</para>
 500
 501     <sect2 xml:id="doc-sources">
 502       <title>Documentation Source Changes</title>
 503
 504       <para>&nbsp;</para>
 505     </sect2>
 506
 507     <sect2 xml:id="doc-toolchain">
 508       <title>Documentation Toolchain Changes</title>
 509
 510       <para>&nbsp;</para>
 511     </sect2>
 512   </sect1>
 513
 514   <sect1 xml:id="releng">
 515     <title>Release Engineering and Integration</title>
 516
 517     <para>This section convers changes that are specific to the
 518       &os;&nbsp;Release Engineering processes.</para>
 519
 520     <sect2 xml:id="releng-changes">
 521       <title>Integration Changes</title>
 522
 523       <para>&nbsp;</para>
 524     </sect2>
 525   </sect1>
 526 </article>