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

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