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