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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 revision="313206">The &man.inetd.8; utility is now built
 166         without <literal>libwrap</literal> support when
 167         <literal>WITHOUT_TCP_WRAPPERS</literal> is set in
 168         &man.src.conf.5;.</para>
 169
 170       <para revision="316046">The &man.libthr.3; library and related
 171         files are now evaluated and removed by the
 172         <literal>delete-old-libs</literal> target when upgrading the
 173         system if <literal>WITHOUT_LIBTHR</literal> is
 174         set in &man.src.conf.5;.</para>
 175
 176       <para revision="319243">The
 177         <literal>WITH_RPCBIND_WARMSTART_SUPPORT</literal>
 178         &man.src.conf.5; knob has been added, which when enabled
 179         allows building &man.rpcbind.8; with
 180         <literal>warmstart</literal> support.</para>
 181     </sect2>
 182
 183     <sect2 xml:id="userland-programs">
 184       <title>Userland Application Changes</title>
 185
 186       <para revision="308915">The &man.zfsbootcfg.8; utility has been
 187         added, providing one-time &man.boot.config.5;-style options
 188         for &man.zfsboot.8;.</para>
 189     </sect2>
 190
 191     <sect2 xml:id="userland-contrib">
 192       <title>Contributed Software</title>
 193
 194       <para revision="309512"><application>Subversion</application>
 195         has been updated to version 1.9.5.</para>
 196
 197       <para revision="309848">&man.file.1; has been updated to version
 198         5.29.</para>
 199
 200       <para revision="310490">The &man.amd.8; utility has been updated
 201         to version 6.2.</para>
 202
 203       <para revision="312516">&man.xz.1; has been updated to version
 204         5.2.3.</para>
 205
 206       <para revision="313796">&man.zlib.3; has been updated to version
 207         1.2.11.</para>
 208
 209       <para revision="315433">&man.libarchive.3; has been updated to
 210         version 3.3.1.</para>
 211
 212       <para revision="316069">&man.ntpd.8; has been updated to version
 213         4.2.8p10.</para>
 214
 215       <para revision="316350">Timezone data files have been updated to
 216         version 2017b.</para>
 217
 218       <para revision="316958">&man.tcsh.1; has been updated to version
 219         6.20.00.</para>
 220     </sect2>
 221
 222     <sect2 xml:id="userland-installer">
 223       <title>Installation and Configuration Tools</title>
 224
 225       <para>&nbsp;</para>
 226     </sect2>
 227
 228     <sect2 xml:id="userland-rc">
 229       <title><filename class="directory">/etc/rc.d</filename>
 230         Scripts</title>
 231
 232       <para>&nbsp;</para>
 233     </sect2>
 234
 235     <sect2 xml:id="userland-periodic">
 236       <title><filename class="directory">/etc/periodic</filename>
 237         Scripts</title>
 238
 239       <para>&nbsp;</para>
 240     </sect2>
 241
 242     <sect2 xml:id="userland-libraries">
 243       <title>Runtime Libraries and API</title>
 244
 245       <para>&nbsp;</para>
 246     </sect2>
 247
 248     <sect2 xml:id="userland-abi">
 249       <title>ABI Compatibility</title>
 250
 251       <para>&nbsp;</para>
 252     </sect2>
 253   </sect1>
 254
 255   <sect1 xml:id="kernel">
 256     <title>Kernel</title>
 257
 258     <para>This section covers changes to kernel configurations, system
 259       tuning, and system control parameters that are not otherwise
 260       categorized.</para>
 261
 262     <sect2 xml:id="kernel-bugfix">
 263       <title>Kernel Bug Fixes</title>
 264
 265       <para revision="317434">The &man.ipf.4; packet filter has been
 266         updated to prevent <literal>keep state</literal> from
 267         incorrectly implying <literal>keep frags</literal>, matching
 268         the behavior documented in &man.ipf.5;.</para>
 269     </sect2>
 270
 271     <sect2 xml:id="kernel-config">
 272       <title>Kernel Configuration</title>
 273
 274       <para>&nbsp;</para>
 275     </sect2>
 276
 277     <sect2 xml:id="kernel-sysctl">
 278       <title>System Tuning and Controls</title>
 279
 280       <para></para>
 281     </sect2>
 282   </sect1>
 283
 284   <sect1 xml:id="drivers">
 285     <title>Devices and Drivers</title>
 286
 287     <para>This section covers changes and additions to devices and
 288       device drivers since &release.prev;.</para>
 289
 290     <sect2 xml:id="drivers-device">
 291       <title>Device Drivers</title>
 292
 293       <para>&nbsp;</para>
 294     </sect2>
 295
 296     <sect2 xml:id="drivers-storage">
 297       <title>Storage Drivers</title>
 298
 299       <para></para>
 300     </sect2>
 301
 302     <sect2 xml:id="drivers-network">
 303       <title>Network Drivers</title>
 304
 305       <para revision="312359">The &man.alc.4; driver has been updated
 306         to provide support for Atheros&reg; Killer&nbsp;E2400&trade;
 307         Gigabit ethernet cards.</para>
 308
 309       <para revision="314019" contrib="sponsor" sponsor="&ms;">The
 310         &man.alc.4; driver has been updated to provide support for
 311         Atheros&reg; Killer&nbsp;E2500&trade; Gigabit ethernet
 312         cards.</para>
 313
 314       <para revision="316485">The &man.qlnxe.4; driver has been added,
 315         providing support for Cavium&reg; Qlogic&trade; 45000 Series
 316         adapters.</para>
 317
 318       <para revision="319270" contrib="sponsor"
 319         sponsor="&chelsio;">The &man.cxgbe.4; driver has been updated
 320         to firmware version 1.16.45.0 for T4, T5, and T6 cards.</para>
 321     </sect2>
 322   </sect1>
 323
 324   <sect1 xml:id="hardware">
 325     <title>Hardware Support</title>
 326
 327     <para>This section covers general hardware support for physical
 328       machines, hypervisors, and virtualization environments, as well
 329       as hardware changes and updates that do not otherwise fit in
 330       other sections of this document.</para>
 331
 332     <sect2 xml:id="hardware-support">
 333       <title>Hardware Support</title>
 334
 335       <para>&nbsp;</para>
 336     </sect2>
 337
 338     <sect2 xml:id="hardware-virtualization">
 339       <title>Virtualization Support</title>
 340
 341       <para></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></para>
 373     </sect2>
 374
 375     <sect2 xml:id="storage-geom">
 376       <title>&man.geom.4;</title>
 377
 378       <para>&nbsp;</para>
 379     </sect2>
 380   </sect1>
 381
 382   <sect1 xml:id="boot">
 383     <title>Boot Loader Changes</title>
 384
 385     <para>This section covers the boot loader, boot menu, and other
 386       boot-related changes.</para>
 387
 388     <sect2 xml:id="boot-loader">
 389       <title>Boot Loader Changes</title>
 390
 391       <para>&nbsp;</para>
 392     </sect2>
 393
 394     <sect2 xml:id="boot-menu">
 395       <title>Boot Menu Changes</title>
 396
 397       <para>&nbsp;</para>
 398     </sect2>
 399   </sect1>
 400
 401   <sect1 xml:id="network">
 402     <title>Networking</title>
 403
 404     <para>This section describes changes that affect networking in
 405       &os;.</para>
 406
 407     <sect2 xml:id="network-protocols">
 408       <title>Network Protocols</title>
 409
 410       <para revision="309340" contrib="sponsor"
 411         sponsor="&dellemc;">Support for <acronym>GARP</acronym>
 412         (gratuitous <acronym>ARP</acronym>) retransmit has been added.
 413         A new &man.sysctl.8;,
 414         <literal>net.link.ether.inet.garp_rexmit_count</literal>, has
 415         been added, which sets the maximum number of retransmissions
 416         when set to a non-zero value.</para>
 417     </sect2>
 418   </sect1>
 419
 420   <sect1 xml:id="ports">
 421     <title>Ports Collection and Package Infrastructure</title>
 422
 423     <para>This section covers changes to the &os;&nbsp;Ports
 424       Collection, package infrastructure, and package maintenance and
 425       installation tools.</para>
 426
 427     <sect2 xml:id="ports-infrastructure">
 428       <title>Infrastructure Changes</title>
 429
 430       <para>&nbsp;</para>
 431     </sect2>
 432
 433     <sect2 xml:id="ports-packages ">
 434       <title>Packaging Changes</title>
 435
 436       <para>&nbsp;</para>
 437     </sect2>
 438   </sect1>
 439
 440   <sect1 xml:id="doc">
 441     <title>Documentation</title>
 442
 443     <para>This section covers changes to the &os;&nbsp;Documentation
 444       Project sources and toolchain.</para>
 445
 446     <sect2 xml:id="doc-sources">
 447       <title>Documentation Source Changes</title>
 448
 449       <para>&nbsp;</para>
 450     </sect2>
 451
 452     <sect2 xml:id="doc-toolchain">
 453       <title>Documentation Toolchain Changes</title>
 454
 455       <para>&nbsp;</para>
 456     </sect2>
 457   </sect1>
 458
 459   <sect1 xml:id="releng">
 460     <title>Release Engineering and Integration</title>
 461
 462     <para>This section convers changes that are specific to the
 463       &os;&nbsp;Release Engineering processes.</para>
 464
 465     <sect2 xml:id="releng-changes">
 466       <title>Integration Changes</title>
 467
 468       <para>&nbsp;</para>
 469     </sect2>
 470   </sect1>
 471 </article>