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="292231">Support for the
 196         <literal>-manage-gids</literal> has been added to
 197         &man.nfsd.8;.  This option can be enabled at boot time by
 198         adding <literal>nfs_server_managegids="YES"</literal> to
 199         &man.rc.conf.5;.</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
 206       <para revision="293744" contrib="sponsor" sponsor="&ff;">The
 207         initial implementation of <quote>reroot</quote> support has
 208         been added to the &man.shutdown.8; utility, allowing the root
 209         filesystem to be mounted from a temporary source filesystem
 210         without requiring a full system reboot.</para>
 211     </sect2>
 212
 213     <sect2 xml:id="userland-contrib">
 214       <title>Contributed Software</title>
 215
 216       <para revision="286082">The &man.libarchive.3; library has been
 217         updated to properly skip a sparse file entry in a &man.tar.1;
 218         file, which would previously produce errors.</para>
 219
 220       <para revision="286751">Timezone data files have been updated to
 221         version 2015f.</para>
 222
 223       <para revision="292588">The &man.xz.1; utility has been updated
 224         to version 5.2.2, which provides support for multi-threaded
 225         compression.</para>
 226
 227       <para revision="293650">The &man.ntpd.8; utility has been
 228         updated to version 4.2.8p5.</para>
 229
 230       <para revision="294286">The &man.less.1; utility has been
 231         updated to version v481.</para>
 232
 233       <para revision="295367">The <application>OpenSSH</application>
 234         suite has been updated to version 7.1p2.</para>
 235
 236       <para revision="295690">The
 237         <literal>unbound-control-setup</literal> script has been
 238         removed from the base system.</para>
 239
 240       <para revision="295691">The &man.unbound.8; utility has been
 241         updated to enable the <literal>insecure-lan-zones</literal>
 242         option in preference of listing each <acronym>AS112</acronym>
 243         zone individually.</para>
 244
 245       <para revision="296317">The <application>OpenSSL</application>
 246         suite has been updated to version 1.0.1s.</para>
 247     </sect2>
 248
 249     <sect2 xml:id="userland-installer">
 250       <title>Installation and Configuration Tools</title>
 251
 252       <para revision="295264" contrib="sponsor"
 253         sponsor="&scaleengine;">The &man.bsdinstall.8; utility has
 254         been updated to support <acronym>ZFS</acronym> installation
 255         on <acronym>EFI</acronym>-based systems.</para>
 256     </sect2>
 257
 258     <sect2 xml:id="userland-rc">
 259       <title><filename class="directory">/etc/rc.d</filename>
 260         Scripts</title>
 261
 262       <para revision="294680">The <literal>netwait</literal>
 263         &man.rc.8; script has been updated to wait for network
 264         interfaces that attach late in the boot process, such as some
 265         <acronym>USB</acronym> network cards.</para>
 266     </sect2>
 267
 268     <sect2 xml:id="userland-periodic">
 269       <title><filename class="directory">/etc/periodic</filename>
 270         Scripts</title>
 271
 272       <para>&nbsp;</para>
 273     </sect2>
 274
 275     <sect2 xml:id="userland-libraries">
 276       <title>Runtime Libraries and API</title>
 277
 278       <para>&nbsp;</para>
 279     </sect2>
 280
 281     <sect2 xml:id="userland-abi">
 282       <title>ABI Compatibility</title>
 283
 284       <para>&nbsp;</para>
 285     </sect2>
 286   </sect1>
 287
 288   <sect1 xml:id="kernel">
 289     <title>Kernel</title>
 290
 291     <para>This section covers changes to kernel configurations, system
 292       tuning, and system control parameters that are not otherwise
 293       categorized.</para>
 294
 295     <sect2 xml:id="kernel-bugfix">
 296       <title>Kernel Bug Fixes</title>
 297
 298       <para revision="288167" contrib="sponsor"
 299         sponsor="&multiplay;">The &man.kqueue.2; system call has been
 300         updated to handle write events to files larger than 2
 301         gigabytes.</para>
 302     </sect2>
 303
 304     <sect2 xml:id="kernel-config">
 305       <title>Kernel Configuration</title>
 306
 307       <para>&nbsp;</para>
 308     </sect2>
 309
 310     <sect2 xml:id="kernel-sysctl">
 311       <title>System Tuning and Controls</title>
 312
 313       <para revision="287037">The &man.uart.4; driver has been
 314         updated to allow tuning pulses per second captured in the
 315         CTS line during runtime, whereas previously only the DCD line
 316         could be used without rebuilding the kernel.</para>
 317     </sect2>
 318   </sect1>
 319
 320   <sect1 xml:id="drivers">
 321     <title>Devices and Drivers</title>
 322
 323     <para>This section covers changes and additions to devices and
 324       device drivers since &release.prev;.</para>
 325
 326     <sect2 xml:id="drivers-device">
 327       <title>Device Drivers</title>
 328
 329       <para>&nbsp;</para>
 330     </sect2>
 331
 332     <sect2 xml:id="drivers-storage">
 333       <title>Storage Drivers</title>
 334
 335       <para revision="288732" contrib="sponsor" sponsor="&ix;">The
 336         <acronym>CTL</acronym> High Availability implementation has
 337         been rewritten.</para>
 338
 339       <para revision="288810">The &man.ctl.4; driver has been updated
 340         to support CD-ROM and removable devices.</para>
 341     </sect2>
 342
 343     <sect2 xml:id="drivers-network">
 344       <title>Network Drivers</title>
 345
 346       <para revision="295524" contrib="sponsor"
 347         sponsor="&limelight;, &intelcorp;">The &man.ixgbe.4; driver
 348         has been updated to version 3.1.13-k.</para>
 349     </sect2>
 350   </sect1>
 351
 352   <sect1 xml:id="hardware">
 353     <title>Hardware Support</title>
 354
 355     <para>This section covers general hardware support for physical
 356       machines, hypervisors, and virtualization environments, as well
 357       as hardware changes and updates that do not otherwise fit in
 358       other sections of this document.</para>
 359
 360     <sect2 xml:id="hardware-support">
 361       <title>Hardware Support</title>
 362
 363       <para revision="293675">The &man.ismt.4; driver has been added,
 364         providing support for recent &intel; SMBus 2.0
 365         controllers.</para>
 366     </sect2>
 367
 368     <sect2 xml:id="hardware-virtualization">
 369       <title>Virtualization Support</title>
 370
 371       <para revision="287802">The &man.xen.4; driver has been updated
 372         to include support for <literal>blkif</literal> indirect
 373         segment I/O.</para>
 374     </sect2>
 375
 376     <sect2 xml:id="hardware-arm">
 377       <title>ARM Support</title>
 378
 379       <para>&nbsp;</para>
 380     </sect2>
 381   </sect1>
 382
 383   <sect1 xml:id="storage">
 384     <title>Storage</title>
 385
 386     <para>This section covers changes and additions to file systems
 387       and other storage subsystems, both local and networked.</para>
 388
 389     <sect2 xml:id="storage-general">
 390       <title>General Storage</title>
 391
 392       <para>&nbsp;</para>
 393     </sect2>
 394
 395     <sect2 xml:id="storage-net">
 396       <title>Networked Storage</title>
 397
 398       <para>&nbsp;</para>
 399     </sect2>
 400
 401     <sect2 xml:id="storage-zfs">
 402       <title>ZFS</title>
 403
 404       <para revision="287665" contrib="sponsor"
 405         sponsor="&clusterhq;">The &man.zfs.8; <literal>l2arc</literal>
 406         code has been updated to take <literal>ashift</literal> into
 407         account when gathering buffers to be written to the
 408         <literal>l2arc</literal> device.</para>
 409     </sect2>
 410
 411     <sect2 xml:id="storage-geom">
 412       <title>&man.geom.4;</title>
 413
 414       <para>&nbsp;</para>
 415     </sect2>
 416   </sect1>
 417
 418   <sect1 xml:id="boot">
 419     <title>Boot Loader Changes</title>
 420
 421     <para>This section covers the boot loader, boot menu, and other
 422       boot-related changes.</para>
 423
 424     <sect2 xml:id="boot-loader">
 425       <title>Boot Loader Changes</title>
 426
 427       <para revision="294445">Initial terminal emulation support has
 428         been added to <filename>loader.efi</filename> for
 429         <acronym>UEFI</acronym>-based systems.</para>
 430
 431       <para revision="294999" contrib="sponsor"
 432         sponsor="&multiplay;">Initial <acronym>ZFS</acronym> boot
 433         support has been added to the <acronym>EFI</acronym>
 434         implementation.</para>
 435
 436       <para revision="295475" contrib="sponsor"
 437         sponsor="&scaleengine;">The <acronym>UEFI</acronym> loader has
 438         been updated to support multiple <acronym>ZFS</acronym> boot
 439         environments, such as those provided by <filename
 440           role="package">sysutils/beadm</filename>.</para>
 441     </sect2>
 442
 443     <sect2 xml:id="boot-menu">
 444       <title>Boot Menu Changes</title>
 445
 446       <para revision="294446">The <acronym>UEFI</acronym> boot menu
 447         has been updated to enable the <quote>Beastie</quote> menu,
 448         similiar to the traditional &man.sc.4; boot menu.</para>
 449     </sect2>
 450   </sect1>
 451
 452   <sect1 xml:id="network">
 453     <title>Networking</title>
 454
 455     <para>This section describes changes that affect networking in
 456       &os;.</para>
 457
 458     <sect2 xml:id="network-protocols">
 459       <title>Network Protocols</title>
 460
 461       <para>&nbsp;</para>
 462     </sect2>
 463   </sect1>
 464
 465   <sect1 xml:id="ports">
 466     <title>Ports Collection and Package Infrastructure</title>
 467
 468     <para>This section covers changes to the &os;&nbsp;Ports
 469       Collection, package infrastructure, and package maintenance and
 470       installation tools.</para>
 471
 472     <sect2 xml:id="ports-infrastructure">
 473       <title>Infrastructure Changes</title>
 474
 475       <para>&nbsp;</para>
 476     </sect2>
 477
 478     <sect2 xml:id="ports-packages ">
 479       <title>Packaging Changes</title>
 480
 481       <para>&nbsp;</para>
 482     </sect2>
 483   </sect1>
 484
 485   <sect1 xml:id="doc">
 486     <title>Documentation</title>
 487
 488     <para>This section covers changes to the &os;&nbsp;Documentation
 489       Project sources and toolchain.</para>
 490
 491     <sect2 xml:id="doc-sources">
 492       <title>Documentation Source Changes</title>
 493
 494       <para>&nbsp;</para>
 495     </sect2>
 496
 497     <sect2 xml:id="doc-toolchain">
 498       <title>Documentation Toolchain Changes</title>
 499
 500       <para>&nbsp;</para>
 501     </sect2>
 502   </sect1>
 503
 504   <sect1 xml:id="releng">
 505     <title>Release Engineering and Integration</title>
 506
 507     <para>This section convers changes that are specific to the
 508       &os;&nbsp;Release Engineering processes.</para>
 509
 510     <sect2 xml:id="releng-changes">
 511       <title>Integration Changes</title>
 512
 513       <para>&nbsp;</para>
 514     </sect2>
 515   </sect1>
 516 </article>