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