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>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
 195       <para revision="293744" contrib="sponsor" sponsor="&ff;">The
 196         initial implementation of <quote>reroot</quote> support has
 197         been added to the &man.shutdown.8; utility, allowing the root
 198         filesystem to be mounted from a temporary source filesystem
 199         without requiring a full system reboot.</para>
 200     </sect2>
 201
 202     <sect2 xml:id="userland-contrib">
 203       <title>Contributed Software</title>
 204
 205       <para revision="286082">The &man.libarchive.3; library has been
 206         updated to properly skip a sparse file entry in a &man.tar.1;
 207         file, which would previously produce errors.</para>
 208
 209       <para revision="286751">Timezone data files have been updated to
 210         version 2015f.</para>
 211
 212       <para revision="293650">The &man.ntpd.8; utility has been
 213         updated to version 4.2.8p5.</para>
 214
 215       <para revision="294286">The &man.less.1; utility has been
 216         updated to version v481.</para>
 217
 218       <para revision="295367">The <application>OpenSSH</application>
 219         suite has been updated to version 7.1p2.</para>
 220
 221       <para revision="295690">The
 222         <literal>unbound-control-setup</literal> script has been
 223         removed from the base system.</para>
 224
 225       <para revision="295691">The &man.unbound.8; utility has been
 226         updated to enable the <literal>insecure-lan-zones</literal>
 227         option in preference of listing each <acronym>AS112</acronym>
 228         zone individually.</para>
 229
 230       <para revision="296317">The <application>OpenSSL</application>
 231         suite has been updated to version 1.0.1s.</para>
 232     </sect2>
 233
 234     <sect2 xml:id="userland-installer">
 235       <title>Installation and Configuration Tools</title>
 236
 237       <para revision="295264" contrib="sponsor"
 238         sponsor="&scaleengine;">The &man.bsdinstall.8; utility has
 239         been updated to support <acronym>ZFS</acronym> installation
 240         on <acronym>EFI</acronym>-based systems.</para>
 241     </sect2>
 242
 243     <sect2 xml:id="userland-rc">
 244       <title><filename class="directory">/etc/rc.d</filename>
 245         Scripts</title>
 246
 247       <para revision="294680">The <literal>netwait</literal>
 248         &man.rc.8; script has been updated to wait for network
 249         interfaces that attach late in the boot process, such as some
 250         <acronym>USB</acronym> network cards.</para>
 251     </sect2>
 252
 253     <sect2 xml:id="userland-periodic">
 254       <title><filename class="directory">/etc/periodic</filename>
 255         Scripts</title>
 256
 257       <para>&nbsp;</para>
 258     </sect2>
 259
 260     <sect2 xml:id="userland-libraries">
 261       <title>Runtime Libraries and API</title>
 262
 263       <para>&nbsp;</para>
 264     </sect2>
 265
 266     <sect2 xml:id="userland-abi">
 267       <title>ABI Compatibility</title>
 268
 269       <para>&nbsp;</para>
 270     </sect2>
 271   </sect1>
 272
 273   <sect1 xml:id="kernel">
 274     <title>Kernel</title>
 275
 276     <para>This section covers changes to kernel configurations, system
 277       tuning, and system control parameters that are not otherwise
 278       categorized.</para>
 279
 280     <sect2 xml:id="kernel-bugfix">
 281       <title>Kernel Bug Fixes</title>
 282
 283       <para revision="288167" contrib="sponsor"
 284         sponsor="&multiplay;">The &man.kqueue.2; system call has been
 285         updated to handle write events to files larger than 2
 286         gigabytes.</para>
 287     </sect2>
 288
 289     <sect2 xml:id="kernel-config">
 290       <title>Kernel Configuration</title>
 291
 292       <para>&nbsp;</para>
 293     </sect2>
 294
 295     <sect2 xml:id="kernel-sysctl">
 296       <title>System Tuning and Controls</title>
 297
 298       <para revision="287037">The &man.uart.4; driver has been
 299         updated to allow tuning pulses per second captured in the
 300         CTS line during runtime, whereas previously only the DCD line
 301         could be used without rebuilding the kernel.</para>
 302     </sect2>
 303   </sect1>
 304
 305   <sect1 xml:id="drivers">
 306     <title>Devices and Drivers</title>
 307
 308     <para>This section covers changes and additions to devices and
 309       device drivers since &release.prev;.</para>
 310
 311     <sect2 xml:id="drivers-device">
 312       <title>Device Drivers</title>
 313
 314       <para>&nbsp;</para>
 315     </sect2>
 316
 317     <sect2 xml:id="drivers-storage">
 318       <title>Storage Drivers</title>
 319
 320       <para revision="288732" contrib="sponsor" sponsor="&ix;">The
 321         <acronym>CTL</acronym> High Availability implementation has
 322         been rewritten.</para>
 323
 324       <para revision="288810">The &man.ctl.4; driver has been updated
 325         to support CD-ROM and removable devices.</para>
 326     </sect2>
 327
 328     <sect2 xml:id="drivers-network">
 329       <title>Network Drivers</title>
 330
 331       <para revision="295524" contrib="sponsor"
 332         sponsor="&limelight;, &intelcorp;">The &man.ixgbe.4; driver
 333         has been updated to version 3.1.13-k.</para>
 334     </sect2>
 335   </sect1>
 336
 337   <sect1 xml:id="hardware">
 338     <title>Hardware Support</title>
 339
 340     <para>This section covers general hardware support for physical
 341       machines, hypervisors, and virtualization environments, as well
 342       as hardware changes and updates that do not otherwise fit in
 343       other sections of this document.</para>
 344
 345     <sect2 xml:id="hardware-support">
 346       <title>Hardware Support</title>
 347
 348       <para revision="293675">The &man.ismt.4; driver has been added,
 349         providing support for recent &intel; SMBus 2.0
 350         controllers.</para>
 351     </sect2>
 352
 353     <sect2 xml:id="hardware-virtualization">
 354       <title>Virtualization Support</title>
 355
 356       <para revision="287802">The &man.xen.4; driver has been updated
 357         to include support for <literal>blkif</literal> indirect
 358         segment I/O.</para>
 359     </sect2>
 360
 361     <sect2 xml:id="hardware-arm">
 362       <title>ARM Support</title>
 363
 364       <para>&nbsp;</para>
 365     </sect2>
 366   </sect1>
 367
 368   <sect1 xml:id="storage">
 369     <title>Storage</title>
 370
 371     <para>This section covers changes and additions to file systems
 372       and other storage subsystems, both local and networked.</para>
 373
 374     <sect2 xml:id="storage-general">
 375       <title>General Storage</title>
 376
 377       <para>&nbsp;</para>
 378     </sect2>
 379
 380     <sect2 xml:id="storage-net">
 381       <title>Networked Storage</title>
 382
 383       <para>&nbsp;</para>
 384     </sect2>
 385
 386     <sect2 xml:id="storage-zfs">
 387       <title>ZFS</title>
 388
 389       <para revision="287665" contrib="sponsor"
 390         sponsor="&clusterhq;">The &man.zfs.8; <literal>l2arc</literal>
 391         code has been updated to take <literal>ashift</literal> into
 392         account when gathering buffers to be written to the
 393         <literal>l2arc</literal> device.</para>
 394     </sect2>
 395
 396     <sect2 xml:id="storage-geom">
 397       <title>&man.geom.4;</title>
 398
 399       <para>&nbsp;</para>
 400     </sect2>
 401   </sect1>
 402
 403   <sect1 xml:id="boot">
 404     <title>Boot Loader Changes</title>
 405
 406     <para>This section covers the boot loader, boot menu, and other
 407       boot-related changes.</para>
 408
 409     <sect2 xml:id="boot-loader">
 410       <title>Boot Loader Changes</title>
 411
 412       <para revision="294445">Initial terminal emulation support has
 413         been added to <filename>loader.efi</filename> for
 414         <acronym>UEFI</acronym>-based systems.</para>
 415
 416       <para revision="294999" contrib="sponsor"
 417         sponsor="&multiplay;">Initial <acronym>ZFS</acronym> boot
 418         support has been added to the <acronym>EFI</acronym>
 419         implementation.</para>
 420
 421       <para revision="295475" contrib="sponsor"
 422         sponsor="&scaleengine;">The <acronym>UEFI</acronym> loader has
 423         been updated to support multiple <acronym>ZFS</acronym> boot
 424         environments, such as those provided by <filename
 425           role="package">sysutils/beadm</filename>.</para>
 426     </sect2>
 427
 428     <sect2 xml:id="boot-menu">
 429       <title>Boot Menu Changes</title>
 430
 431       <para revision="294446">The <acronym>UEFI</acronym> boot menu
 432         has been updated to enable the <quote>Beastie</quote> menu,
 433         similiar to the traditional &man.sc.4; boot menu.</para>
 434     </sect2>
 435   </sect1>
 436
 437   <sect1 xml:id="network">
 438     <title>Networking</title>
 439
 440     <para>This section describes changes that affect networking in
 441       &os;.</para>
 442
 443     <sect2 xml:id="network-protocols">
 444       <title>Network Protocols</title>
 445
 446       <para>&nbsp;</para>
 447     </sect2>
 448   </sect1>
 449
 450   <sect1 xml:id="ports">
 451     <title>Ports Collection and Package Infrastructure</title>
 452
 453     <para>This section covers changes to the &os;&nbsp;Ports
 454       Collection, package infrastructure, and package maintenance and
 455       installation tools.</para>
 456
 457     <sect2 xml:id="ports-infrastructure">
 458       <title>Infrastructure Changes</title>
 459
 460       <para>&nbsp;</para>
 461     </sect2>
 462
 463     <sect2 xml:id="ports-packages ">
 464       <title>Packaging Changes</title>
 465
 466       <para>&nbsp;</para>
 467     </sect2>
 468   </sect1>
 469
 470   <sect1 xml:id="doc">
 471     <title>Documentation</title>
 472
 473     <para>This section covers changes to the &os;&nbsp;Documentation
 474       Project sources and toolchain.</para>
 475
 476     <sect2 xml:id="doc-sources">
 477       <title>Documentation Source Changes</title>
 478
 479       <para>&nbsp;</para>
 480     </sect2>
 481
 482     <sect2 xml:id="doc-toolchain">
 483       <title>Documentation Toolchain Changes</title>
 484
 485       <para>&nbsp;</para>
 486     </sect2>
 487   </sect1>
 488
 489   <sect1 xml:id="releng">
 490     <title>Release Engineering and Integration</title>
 491
 492     <para>This section convers changes that are specific to the
 493       &os;&nbsp;Release Engineering processes.</para>
 494
 495     <sect2 xml:id="releng-changes">
 496       <title>Integration Changes</title>
 497
 498       <para>&nbsp;</para>
 499     </sect2>
 500   </sect1>
 501 </article>