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

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