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

   1 <?xml version="1.0" encoding="iso-8859-1"?>
   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
 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
 201       <para revision="292462" contrib="sponsor"
 202         sponsor="&dellinc;">The resolver library has been updated to
 203         reload <filename>/etc/resolv.conf</filename> if the
 204         modification time has changed.</para>
 205     </sect2>
 206
 207     <sect2 xml:id="userland-contrib">
 208       <title>Contributed Software</title>
 209
 210       <para revision="286082">The &man.libarchive.3; library has been
 211         updated to properly skip a sparse file entry in a &man.tar.1;
 212         file, which would previously produce errors.</para>
 213
 214       <para revision="286751">Timezone data files have been updated to
 215         version 2015f.</para>
 216
 217       <para revision="292588">The &man.xz.1; utility has been updated
 218         to version 5.2.2, which provides support for multi-threaded
 219         compression.</para>
 220
 221       <para revision="293650">The &man.ntpd.8; utility has been
 222         updated to version 4.2.8p5.</para>
 223
 224       <para revision="294286">The &man.less.1; utility has been
 225         updated to version v481.</para>
 226
 227       <para revision="295367">The <application>OpenSSH</application>
 228         suite has been updated to version 7.1p2.</para>
 229
 230       <para revision="295690">The
 231         <literal>unbound-control-setup</literal> script has been
 232         removed from the base system.</para>
 233
 234       <para revision="295691">The &man.unbound.8; utility has been
 235         updated to enable the <literal>insecure-lan-zones</literal>
 236         option in preference of listing each <acronym>AS112</acronym>
 237         zone individually.</para>
 238
 239       <para revision="296317">The <application>OpenSSL</application>
 240         suite has been updated to version 1.0.1s.</para>
 241     </sect2>
 242
 243     <sect2 xml:id="userland-installer">
 244       <title>Installation and Configuration Tools</title>
 245
 246       <para revision="295264" contrib="sponsor"
 247         sponsor="&scaleengine;">The &man.bsdinstall.8; utility has
 248         been updated to support <acronym>ZFS</acronym> installation
 249         on <acronym>EFI</acronym>-based systems.</para>
 250     </sect2>
 251
 252     <sect2 xml:id="userland-rc">
 253       <title><filename class="directory">/etc/rc.d</filename>
 254         Scripts</title>
 255
 256       <para revision="294680">The <literal>netwait</literal>
 257         &man.rc.8; script has been updated to wait for network
 258         interfaces that attach late in the boot process, such as some
 259         <acronym>USB</acronym> network cards.</para>
 260     </sect2>
 261
 262     <sect2 xml:id="userland-periodic">
 263       <title><filename class="directory">/etc/periodic</filename>
 264         Scripts</title>
 265
 266       <para>&nbsp;</para>
 267     </sect2>
 268
 269     <sect2 xml:id="userland-libraries">
 270       <title>Runtime Libraries and API</title>
 271
 272       <para>&nbsp;</para>
 273     </sect2>
 274
 275     <sect2 xml:id="userland-abi">
 276       <title>ABI Compatibility</title>
 277
 278       <para>&nbsp;</para>
 279     </sect2>
 280   </sect1>
 281
 282   <sect1 xml:id="kernel">
 283     <title>Kernel</title>
 284
 285     <para>This section covers changes to kernel configurations, system
 286       tuning, and system control parameters that are not otherwise
 287       categorized.</para>
 288
 289     <sect2 xml:id="kernel-bugfix">
 290       <title>Kernel Bug Fixes</title>
 291
 292       <para revision="288167" contrib="sponsor"
 293         sponsor="&multiplay;">The &man.kqueue.2; system call has been
 294         updated to handle write events to files larger than 2
 295         gigabytes.</para>
 296     </sect2>
 297
 298     <sect2 xml:id="kernel-config">
 299       <title>Kernel Configuration</title>
 300
 301       <para>&nbsp;</para>
 302     </sect2>
 303
 304     <sect2 xml:id="kernel-sysctl">
 305       <title>System Tuning and Controls</title>
 306
 307       <para revision="287037">The &man.uart.4; driver has been
 308         updated to allow tuning pulses per second captured in the
 309         CTS line during runtime, whereas previously only the DCD line
 310         could be used without rebuilding the kernel.</para>
 311     </sect2>
 312   </sect1>
 313
 314   <sect1 xml:id="drivers">
 315     <title>Devices and Drivers</title>
 316
 317     <para>This section covers changes and additions to devices and
 318       device drivers since &release.prev;.</para>
 319
 320     <sect2 xml:id="drivers-device">
 321       <title>Device Drivers</title>
 322
 323       <para>&nbsp;</para>
 324     </sect2>
 325
 326     <sect2 xml:id="drivers-storage">
 327       <title>Storage Drivers</title>
 328
 329       <para revision="288732" contrib="sponsor" sponsor="&ix;">The
 330         <acronym>CTL</acronym> High Availability implementation has
 331         been rewritten.</para>
 332
 333       <para revision="288810">The &man.ctl.4; driver has been updated
 334         to support CD-ROM and removable devices.</para>
 335     </sect2>
 336
 337     <sect2 xml:id="drivers-network">
 338       <title>Network Drivers</title>
 339
 340       <para revision="295524" contrib="sponsor"
 341         sponsor="&limelight;, &intelcorp;">The &man.ixgbe.4; driver
 342         has been updated to version 3.1.13-k.</para>
 343     </sect2>
 344   </sect1>
 345
 346   <sect1 xml:id="hardware">
 347     <title>Hardware Support</title>
 348
 349     <para>This section covers general hardware support for physical
 350       machines, hypervisors, and virtualization environments, as well
 351       as hardware changes and updates that do not otherwise fit in
 352       other sections of this document.</para>
 353
 354     <sect2 xml:id="hardware-support">
 355       <title>Hardware Support</title>
 356
 357       <para revision="293675">The &man.ismt.4; driver has been added,
 358         providing support for recent &intel; SMBus 2.0
 359         controllers.</para>
 360     </sect2>
 361
 362     <sect2 xml:id="hardware-virtualization">
 363       <title>Virtualization Support</title>
 364
 365       <para revision="287802">The &man.xen.4; driver has been updated
 366         to include support for <literal>blkif</literal> indirect
 367         segment I/O.</para>
 368     </sect2>
 369
 370     <sect2 xml:id="hardware-arm">
 371       <title>ARM Support</title>
 372
 373       <para>&nbsp;</para>
 374     </sect2>
 375   </sect1>
 376
 377   <sect1 xml:id="storage">
 378     <title>Storage</title>
 379
 380     <para>This section covers changes and additions to file systems
 381       and other storage subsystems, both local and networked.</para>
 382
 383     <sect2 xml:id="storage-general">
 384       <title>General Storage</title>
 385
 386       <para>&nbsp;</para>
 387     </sect2>
 388
 389     <sect2 xml:id="storage-net">
 390       <title>Networked Storage</title>
 391
 392       <para>&nbsp;</para>
 393     </sect2>
 394
 395     <sect2 xml:id="storage-zfs">
 396       <title>ZFS</title>
 397
 398       <para revision="287665" contrib="sponsor"
 399         sponsor="&clusterhq;">The &man.zfs.8; <literal>l2arc</literal>
 400         code has been updated to take <literal>ashift</literal> into
 401         account when gathering buffers to be written to the
 402         <literal>l2arc</literal> device.</para>
 403     </sect2>
 404
 405     <sect2 xml:id="storage-geom">
 406       <title>&man.geom.4;</title>
 407
 408       <para>&nbsp;</para>
 409     </sect2>
 410   </sect1>
 411
 412   <sect1 xml:id="boot">
 413     <title>Boot Loader Changes</title>
 414
 415     <para>This section covers the boot loader, boot menu, and other
 416       boot-related changes.</para>
 417
 418     <sect2 xml:id="boot-loader">
 419       <title>Boot Loader Changes</title>
 420
 421       <para revision="294445">Initial terminal emulation support has
 422         been added to <filename>loader.efi</filename> for
 423         <acronym>UEFI</acronym>-based systems.</para>
 424
 425       <para revision="294999" contrib="sponsor"
 426         sponsor="&multiplay;">Initial <acronym>ZFS</acronym> boot
 427         support has been added to the <acronym>EFI</acronym>
 428         implementation.</para>
 429
 430       <para revision="295475" contrib="sponsor"
 431         sponsor="&scaleengine;">The <acronym>UEFI</acronym> loader has
 432         been updated to support multiple <acronym>ZFS</acronym> boot
 433         environments, such as those provided by <filename
 434           role="package">sysutils/beadm</filename>.</para>
 435     </sect2>
 436
 437     <sect2 xml:id="boot-menu">
 438       <title>Boot Menu Changes</title>
 439
 440       <para revision="294446">The <acronym>UEFI</acronym> boot menu
 441         has been updated to enable the <quote>Beastie</quote> menu,
 442         similiar to the traditional &man.sc.4; boot menu.</para>
 443     </sect2>
 444   </sect1>
 445
 446   <sect1 xml:id="network">
 447     <title>Networking</title>
 448
 449     <para>This section describes changes that affect networking in
 450       &os;.</para>
 451
 452     <sect2 xml:id="network-protocols">
 453       <title>Network Protocols</title>
 454
 455       <para>&nbsp;</para>
 456     </sect2>
 457   </sect1>
 458
 459   <sect1 xml:id="ports">
 460     <title>Ports Collection and Package Infrastructure</title>
 461
 462     <para>This section covers changes to the &os;&nbsp;Ports
 463       Collection, package infrastructure, and package maintenance and
 464       installation tools.</para>
 465
 466     <sect2 xml:id="ports-infrastructure">
 467       <title>Infrastructure Changes</title>
 468
 469       <para>&nbsp;</para>
 470     </sect2>
 471
 472     <sect2 xml:id="ports-packages ">
 473       <title>Packaging Changes</title>
 474
 475       <para>&nbsp;</para>
 476     </sect2>
 477   </sect1>
 478
 479   <sect1 xml:id="doc">
 480     <title>Documentation</title>
 481
 482     <para>This section covers changes to the &os;&nbsp;Documentation
 483       Project sources and toolchain.</para>
 484
 485     <sect2 xml:id="doc-sources">
 486       <title>Documentation Source Changes</title>
 487
 488       <para>&nbsp;</para>
 489     </sect2>
 490
 491     <sect2 xml:id="doc-toolchain">
 492       <title>Documentation Toolchain Changes</title>
 493
 494       <para>&nbsp;</para>
 495     </sect2>
 496   </sect1>
 497
 498   <sect1 xml:id="releng">
 499     <title>Release Engineering and Integration</title>
 500
 501     <para>This section convers changes that are specific to the
 502       &os;&nbsp;Release Engineering processes.</para>
 503
 504     <sect2 xml:id="releng-changes">
 505       <title>Integration Changes</title>
 506
 507       <para>&nbsp;</para>
 508     </sect2>
 509   </sect1>
 510 </article>