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  18 <article xmlns="http://docbook.org/ns/docbook"
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  20
  21   <info>
  22     <title>&os; &release.current; Release Notes</title>
  23
  24     <author>
  25       <orgname>The &os; Project</orgname>
  26     </author>
  27
  28     <pubdate>$FreeBSD$</pubdate>
  29
  30     <copyright>
  31       <year>2017</year>
  32       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
  33         Project</holder>
  34     </copyright>
  35
  36     <legalnotice xml:id="trademarks" role="trademarks">
  37       &tm-attrib.freebsd;
  38       &tm-attrib.ibm;
  39       &tm-attrib.ieee;
  40       &tm-attrib.intel;
  41       &tm-attrib.sparc;
  42       &tm-attrib.general;
  43     </legalnotice>
  44
  45     <abstract>
  46       <para>The release notes for &os; &release.current; contain
  47         a summary of the changes made to the &os; base system on the
  48         &release.branch; development line.  This document lists
  49         applicable security advisories that were issued since the last
  50         release, as well as significant changes to the &os; kernel and
  51         userland.  Some brief remarks on upgrading are also
  52         presented.</para>
  53     </abstract>
  54   </info>
  55
  56   <sect1 xml:id="intro">
  57     <title>Introduction</title>
  58
  59     <para>This document contains the release notes for &os;
  60       &release.current;.  It describes recently added, changed, or
  61       deleted features of &os;.  It also provides some notes on
  62       upgrading from previous versions of &os;.</para>
  63
  64     <para releasetype="current">The &release.type; distribution to
  65       which these release notes apply represents the latest point
  66       along the &release.branch; development branch since
  67       &release.branch; was created.  Information regarding pre-built,
  68       binary &release.type; distributions along this branch can be
  69       found at <uri
  70         xlink:href="&release.url;">&release.url;</uri>.</para>
  71
  72     <para releasetype="snapshot">The &release.type; distribution to
  73       which these release notes apply represents a point along the
  74       &release.branch; development branch between &release.prev; and
  75       the future &release.next;.  Information regarding pre-built,
  76       binary &release.type; distributions along this branch can be
  77       found at <uri
  78         xlink:href="&release.url;">&release.url;</uri>.</para>
  79
  80     <para releasetype="release">This distribution of &os;
  81       &release.current; is a &release.type; distribution.  It can be
  82       found at <uri xlink:href="&release.url;">&release.url;</uri> or
  83       any of its mirrors.  More information on obtaining this (or
  84       other) &release.type; distributions of &os; can be found in the
  85       <link
  86         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
  87           &os;</quote> appendix</link> to the <link
  88         xlink:href="&url.books.handbook;/">&os;
  89         Handbook</link>.</para>
  90
  91     <para>All users are encouraged to consult the release errata
  92       before installing &os;.  The errata document is updated with
  93       <quote>late-breaking</quote> information discovered late in the
  94       release cycle or after the release.  Typically, it contains
  95       information on known bugs, security advisories, and corrections
  96       to documentation.  An up-to-date copy of the errata for &os;
  97       &release.current; can be found on the &os; Web site.</para>
  98
  99     <para>This document describes the most user-visible new or changed
 100       features in &os; since &release.prev;.</para>
 101
 102     <para>Typical release note items document recent security
 103       advisories issued after &release.prev;, new drivers or hardware
 104       support, new commands or options, major bug fixes, or
 105       contributed software upgrades.  They may also list changes to
 106       major ports/packages or release engineering practices.  Clearly
 107       the release notes cannot list every single change made to &os;
 108       between releases; this document focuses primarily on security
 109       advisories, user-visible changes, and major architectural
 110       improvements.</para>
 111   </sect1>
 112
 113   <sect1 xml:id="upgrade">
 114     <title>Upgrading from Previous Releases of &os;</title>
 115
 116     <para arch="amd64,i386">Binary upgrades between RELEASE versions
 117       (and snapshots of the various security branches) are supported
 118       using the &man.freebsd-update.8; utility.  The binary upgrade
 119       procedure will update unmodified userland utilities, as well as
 120       unmodified <filename>GENERIC</filename> kernel distributed as
 121       a part of an official &os; release.  The &man.freebsd-update.8;
 122       utility requires that the host being upgraded have Internet
 123       connectivity.</para>
 124
 125     <para>Source-based upgrades (those based on recompiling the &os;
 126       base system from source code) from previous versions are
 127       supported, according to the instructions in
 128       <filename>/usr/src/UPDATING</filename>.</para>
 129
 130     <important>
 131       <para>Upgrading &os; should only be attempted after
 132         backing up <emphasis>all</emphasis> data and configuration
 133         files.</para>
 134     </important>
 135   </sect1>
 136
 137   <sect1 xml:id="security-errata">
 138     <title>Security and Errata</title>
 139
 140     <para>This section lists the various Security Advisories and
 141       Errata Notices since &release.prev;.</para>
 142
 143     <sect2 xml:id="security">
 144       <title>Security Advisories</title>
 145
 146       &security;
 147     </sect2>
 148
 149     <sect2 xml:id="errata">
 150       <title>Errata Notices</title>
 151
 152       &errata;
 153     </sect2>
 154   </sect1>
 155
 156   <sect1 xml:id="userland">
 157     <title>Userland</title>
 158
 159     <para>This section covers changes and additions to userland
 160       applications, contributed software, and system utilities.</para>
 161
 162     <sect2 xml:id="userland-config">
 163       <title>Userland Configuration Changes</title>
 164
 165       <para>&nbsp;</para>
 166     </sect2>
 167
 168     <sect2 xml:id="userland-programs">
 169       <title>Userland Application Changes</title>
 170
 171       <para>&nbsp;</para>
 172     </sect2>
 173
 174     <sect2 xml:id="userland-contrib">
 175       <title>Contributed Software</title>
 176
 177       <para revision="309512"><application>Subversion</application>
 178         has been updated to version 1.9.5.</para>
 179
 180       <para revision="309848">&man.file.1; has been updated to version
 181         5.29.</para>
 182
 183       <para revision="310490">The &man.amd.8; utility has been updated
 184         to version 6.2.</para>
 185
 186       <para revision="312516">&man.xz.1; has been updated to version
 187         5.2.3.</para>
 188
 189       <para revision="313796">&man.zlib.3; has been updated to version
 190         1.2.11.</para>
 191
 192       <para revision="315433">&man.libarchive.3; has been updated to
 193         version 3.3.1.</para>
 194
 195       <para revision="316069">&man.ntpd.8; has been updated to version
 196         4.2.8p10.</para>
 197
 198       <para revision="316350">Timezone data files have been updated to
 199         version 2017b.</para>
 200
 201       <para revision="316958">&man.tcsh.1; has been updated to version
 202         6.20.00.</para>
 203     </sect2>
 204
 205     <sect2 xml:id="userland-installer">
 206       <title>Installation and Configuration Tools</title>
 207
 208       <para>&nbsp;</para>
 209     </sect2>
 210
 211     <sect2 xml:id="userland-rc">
 212       <title><filename class="directory">/etc/rc.d</filename>
 213         Scripts</title>
 214
 215       <para>&nbsp;</para>
 216     </sect2>
 217
 218     <sect2 xml:id="userland-periodic">
 219       <title><filename class="directory">/etc/periodic</filename>
 220         Scripts</title>
 221
 222       <para>&nbsp;</para>
 223     </sect2>
 224
 225     <sect2 xml:id="userland-libraries">
 226       <title>Runtime Libraries and API</title>
 227
 228       <para>&nbsp;</para>
 229     </sect2>
 230
 231     <sect2 xml:id="userland-abi">
 232       <title>ABI Compatibility</title>
 233
 234       <para>&nbsp;</para>
 235     </sect2>
 236   </sect1>
 237
 238   <sect1 xml:id="kernel">
 239     <title>Kernel</title>
 240
 241     <para>This section covers changes to kernel configurations, system
 242       tuning, and system control parameters that are not otherwise
 243       categorized.</para>
 244
 245     <sect2 xml:id="kernel-bugfix">
 246       <title>Kernel Bug Fixes</title>
 247
 248       <para></para>
 249     </sect2>
 250
 251     <sect2 xml:id="kernel-config">
 252       <title>Kernel Configuration</title>
 253
 254       <para>&nbsp;</para>
 255     </sect2>
 256
 257     <sect2 xml:id="kernel-sysctl">
 258       <title>System Tuning and Controls</title>
 259
 260       <para></para>
 261     </sect2>
 262   </sect1>
 263
 264   <sect1 xml:id="drivers">
 265     <title>Devices and Drivers</title>
 266
 267     <para>This section covers changes and additions to devices and
 268       device drivers since &release.prev;.</para>
 269
 270     <sect2 xml:id="drivers-device">
 271       <title>Device Drivers</title>
 272
 273       <para>&nbsp;</para>
 274     </sect2>
 275
 276     <sect2 xml:id="drivers-storage">
 277       <title>Storage Drivers</title>
 278
 279       <para></para>
 280     </sect2>
 281
 282     <sect2 xml:id="drivers-network">
 283       <title>Network Drivers</title>
 284
 285       <para revision="311507" contrib="sponsor"
 286         sponsor="&chelsio;">The &man.cxgbe.4; driver has been updated
 287         to firmware version 1.16.26.0 for T4, T5, and T6 cards.</para>
 288
 289       <para revision="312359">The &man.alc.4; driver has been updated
 290         to provide support for Atheros&reg; Killer&nbsp;E2400&trade;
 291         Gigabit ethernet cards.</para>
 292
 293       <para revision="314019" contrib="sponsor" sponsor="&ms;">The
 294         &man.alc.4; driver has been updated to provide support for
 295         Atheros&reg; Killer&nbsp;E2500&trade; Gigabit ethernet
 296         cards.</para>
 297
 298       <para revision="316485">The &man.qlnxe.4; driver has been added,
 299         providing support for Cavium&reg; Qlogic&trade; 45000 Series
 300         adapters.</para>
 301     </sect2>
 302   </sect1>
 303
 304   <sect1 xml:id="hardware">
 305     <title>Hardware Support</title>
 306
 307     <para>This section covers general hardware support for physical
 308       machines, hypervisors, and virtualization environments, as well
 309       as hardware changes and updates that do not otherwise fit in
 310       other sections of this document.</para>
 311
 312     <sect2 xml:id="hardware-support">
 313       <title>Hardware Support</title>
 314
 315       <para>&nbsp;</para>
 316     </sect2>
 317
 318     <sect2 xml:id="hardware-virtualization">
 319       <title>Virtualization Support</title>
 320
 321       <para></para>
 322     </sect2>
 323
 324     <sect2 xml:id="hardware-arm">
 325       <title>ARM Support</title>
 326
 327       <para>&nbsp;</para>
 328     </sect2>
 329   </sect1>
 330
 331   <sect1 xml:id="storage">
 332     <title>Storage</title>
 333
 334     <para>This section covers changes and additions to file systems
 335       and other storage subsystems, both local and networked.</para>
 336
 337     <sect2 xml:id="storage-general">
 338       <title>General Storage</title>
 339
 340       <para>&nbsp;</para>
 341     </sect2>
 342
 343     <sect2 xml:id="storage-net">
 344       <title>Networked Storage</title>
 345
 346       <para>&nbsp;</para>
 347     </sect2>
 348
 349     <sect2 xml:id="storage-zfs">
 350       <title>ZFS</title>
 351
 352       <para></para>
 353     </sect2>
 354
 355     <sect2 xml:id="storage-geom">
 356       <title>&man.geom.4;</title>
 357
 358       <para>&nbsp;</para>
 359     </sect2>
 360   </sect1>
 361
 362   <sect1 xml:id="boot">
 363     <title>Boot Loader Changes</title>
 364
 365     <para>This section covers the boot loader, boot menu, and other
 366       boot-related changes.</para>
 367
 368     <sect2 xml:id="boot-loader">
 369       <title>Boot Loader Changes</title>
 370
 371       <para>&nbsp;</para>
 372     </sect2>
 373
 374     <sect2 xml:id="boot-menu">
 375       <title>Boot Menu Changes</title>
 376
 377       <para>&nbsp;</para>
 378     </sect2>
 379   </sect1>
 380
 381   <sect1 xml:id="network">
 382     <title>Networking</title>
 383
 384     <para>This section describes changes that affect networking in
 385       &os;.</para>
 386
 387     <sect2 xml:id="network-protocols">
 388       <title>Network Protocols</title>
 389
 390       <para revision="309340" contrib="sponsor"
 391         sponsor="&dellemc;">Support for <acronym>GARP</acronym>
 392         (gratuitous <acronym>ARP</acronym>) retransmit has been added.
 393         A new &man.sysctl.8;,
 394         <literal>net.link.ether.inet.garp_rexmit_count</literal>, has
 395         been added, which sets the maximum number of retransmissions
 396         when set to a non-zero value.</para>
 397     </sect2>
 398   </sect1>
 399
 400   <sect1 xml:id="ports">
 401     <title>Ports Collection and Package Infrastructure</title>
 402
 403     <para>This section covers changes to the &os;&nbsp;Ports
 404       Collection, package infrastructure, and package maintenance and
 405       installation tools.</para>
 406
 407     <sect2 xml:id="ports-infrastructure">
 408       <title>Infrastructure Changes</title>
 409
 410       <para>&nbsp;</para>
 411     </sect2>
 412
 413     <sect2 xml:id="ports-packages ">
 414       <title>Packaging Changes</title>
 415
 416       <para>&nbsp;</para>
 417     </sect2>
 418   </sect1>
 419
 420   <sect1 xml:id="doc">
 421     <title>Documentation</title>
 422
 423     <para>This section covers changes to the &os;&nbsp;Documentation
 424       Project sources and toolchain.</para>
 425
 426     <sect2 xml:id="doc-sources">
 427       <title>Documentation Source Changes</title>
 428
 429       <para>&nbsp;</para>
 430     </sect2>
 431
 432     <sect2 xml:id="doc-toolchain">
 433       <title>Documentation Toolchain Changes</title>
 434
 435       <para>&nbsp;</para>
 436     </sect2>
 437   </sect1>
 438
 439   <sect1 xml:id="releng">
 440     <title>Release Engineering and Integration</title>
 441
 442     <para>This section convers changes that are specific to the
 443       &os;&nbsp;Release Engineering processes.</para>
 444
 445     <sect2 xml:id="releng-changes">
 446       <title>Integration Changes</title>
 447
 448       <para>&nbsp;</para>
 449     </sect2>
 450   </sect1>
 451 </article>