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     <!-- Last rev: 288943 -->
  26
  27     <copyright>
  28       <year>2017</year>
  29       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
  30         Project</holder>
  31     </copyright>
  32
  33     <legalnotice xml:id="trademarks" role="trademarks">
  34       &tm-attrib.freebsd;
  35       &tm-attrib.ibm;
  36       &tm-attrib.ieee;
  37       &tm-attrib.intel;
  38       &tm-attrib.sparc;
  39       &tm-attrib.general;
  40     </legalnotice>
  41
  42     <abstract>
  43       <para>The release notes for &os; &release.current; contain
  44         a summary of the changes made to the &os; base system on the
  45         &release.branch; development line.  This document lists
  46         applicable security advisories that were issued since the last
  47         release, as well as significant changes to the &os; kernel and
  48         userland.  Some brief remarks on upgrading are also
  49         presented.</para>
  50     </abstract>
  51   </info>
  52
  53   <sect1 xml:id="intro">
  54     <title>Introduction</title>
  55
  56     <para>This document contains the release notes for &os;
  57       &release.current;.  It describes recently added, changed, or
  58       deleted features of &os;.  It also provides some notes on
  59       upgrading from previous versions of &os;.</para>
  60
  61     <para releasetype="current">The &release.type; distribution to
  62       which these release notes apply represents the latest point
  63       along the &release.branch; development branch since
  64       &release.branch; was created.  Information regarding pre-built,
  65       binary &release.type; distributions along this branch can be
  66       found at <uri
  67         xlink:href="&release.url;">&release.url;</uri>.</para>
  68
  69     <para releasetype="snapshot">The &release.type; distribution to
  70       which these release notes apply represents a point along the
  71       &release.branch; development branch between &release.prev; and
  72       the future &release.next;.  Information regarding pre-built,
  73       binary &release.type; distributions along this branch can be
  74       found at <uri
  75         xlink:href="&release.url;">&release.url;</uri>.</para>
  76
  77     <para releasetype="release">This distribution of &os;
  78       &release.current; is a &release.type; distribution.  It can be
  79       found at <uri xlink:href="&release.url;">&release.url;</uri> or
  80       any of its mirrors.  More information on obtaining this (or
  81       other) &release.type; distributions of &os; can be found in the
  82       <link
  83         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
  84           &os;</quote> appendix</link> to the <link
  85         xlink:href="&url.books.handbook;/">&os;
  86         Handbook</link>.</para>
  87
  88     <para>All users are encouraged to consult the release errata
  89       before installing &os;.  The errata document is updated with
  90       <quote>late-breaking</quote> information discovered late in the
  91       release cycle or after the release.  Typically, it contains
  92       information on known bugs, security advisories, and corrections
  93       to documentation.  An up-to-date copy of the errata for &os;
  94       &release.current; can be found on the &os; Web site.</para>
  95
  96     <para>This document describes the most user-visible new or changed
  97       features in &os; since &release.prev;.  In general, changes
  98       described here are unique to the &release.branch; branch unless
  99       specifically marked as &merged; features.</para>
 100
 101     <para>Typical release note items document recent security
 102       advisories issued after &release.prev;, new drivers or hardware
 103       support, new commands or options, major bug fixes, or
 104       contributed software upgrades.  They may also list changes to
 105       major ports/packages or release engineering practices.  Clearly
 106       the release notes cannot list every single change made to &os;
 107       between releases; this document focuses primarily on security
 108       advisories, user-visible changes, and major architectural
 109       improvements.</para>
 110   </sect1>
 111
 112   <sect1 xml:id="upgrade">
 113     <title>Upgrading from Previous Releases of &os;</title>
 114
 115     <para arch="amd64,i386">Binary upgrades between RELEASE versions
 116       (and snapshots of the various security branches) are supported
 117       using the &man.freebsd-update.8; utility.  The binary upgrade
 118       procedure will update unmodified userland utilities, as well as
 119       unmodified GENERIC kernels distributed as a part of an official
 120       &os; release.  The &man.freebsd-update.8; utility requires that
 121       the host being upgraded have Internet 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 backing up
 130         <emphasis>all</emphasis> data and configuration files.</para>
 131     </important>
 132   </sect1>
 133
 134   <sect1 xml:id="security-errata">
 135     <title>Security and Errata</title>
 136
 137     <para>This section lists the various Security Advisories and
 138       Errata Notices since &release.prev;.</para>
 139
 140     <sect2 xml:id="security">
 141       <title>Security Advisories</title>
 142
 143       &security;
 144     </sect2>
 145
 146     <sect2 xml:id="errata">
 147       <title>Errata Notices</title>
 148
 149       &errata;
 150     </sect2>
 151   </sect1>
 152
 153   <sect1 xml:id="userland">
 154     <title>Userland</title>
 155
 156     <para>This section covers changes and additions to userland
 157       applications, contributed software, and system utilities.</para>
 158
 159     <sect2 xml:id="userland-config">
 160       <title>Userland Configuration Changes</title>
 161
 162       <para revision="313203">The &man.inetd.8; utility can now be
 163         built without <literal>libwrap</literal> support when
 164         <literal>WITHOUT_TCP_WRAPPERS</literal> is set in
 165         &man.src.conf.5;.</para>
 166
 167       <para revision="316045">The &man.libthr.3; library and related
 168         files are now evaluated and removed by the
 169         <literal>delete-old-libs</literal> target when upgrading the
 170         system if <literal>WITHOUT_LIBTHR</literal> is
 171         set in &man.src.conf.5;.</para>
 172
 173       <para revision="316423" contrib="sponsor" sponsor="&ff;">The
 174         <literal>WITH_LLD_AS_LD</literal> build knob has been added,
 175         which installs <application>LLD</application> as
 176         <filename>/usr/bin/ld</filename> if set.</para>
 177     </sect2>
 178
 179     <sect2 xml:id="userland-programs">
 180       <title>Userland Application Changes</title>
 181
 182       <para revision="308720" contrib="sponsor" sponsor="&gandi;">The
 183         &man.cron.8; utility has been updated to add support for
 184         including files within <filename
 185           class="directory">/etc/cron.d</filename> and <filename
 186           class="directory">/usr/local/etc/cron.d</filename> by
 187         default.</para>
 188
 189       <para revision="308721" contrib="sponsor" sponsor="&gandi;">The
 190         &man.syslogd.8; utility has been updated to add the
 191         <literal>include</literal> keyword which allows specifying
 192         a directory containing configuration files to be included in
 193         addition to &man.syslog.conf.5;.  The default
 194         &man.syslog.conf.5; has been updated to include <filename
 195           class="directory">/etc/syslog.d</filename> and <filename
 196           class="directory">/usr/local/etc/syslog.d</filename> by
 197         default.</para>
 198
 199       <para revision="308914">The &man.zfsbootcfg.8; utility has been
 200         added, providing one-time &man.nextboot.8; options for
 201         &man.zfsboot.8;.</para>
 202
 203       <para revision="315514" contrib="sponsor" sponsor="&yandex;">The
 204         &man.setkey.8; utility has been modified to show the runtime
 205         <acronym>NAT-T</acronym> configuration.  The
 206         <literal>-g</literal> and <literal>-t</literal> flags have
 207         been added, which list only global and virtual policies,
 208         respectively when used with the <literal>-D</literal> and
 209         <literal>-P</literal> flags.</para>
 210
 211       <para revision="316098" contrib="sponsor"
 212         sponsor="&dellemc;">The &man.getaddrinfo.1; utility has been
 213         added, ported from NetBSD.</para>
 214
 215       <para revision="316944" contrib="sponsor"
 216         sponsor="&multiplay;">The &man.jail.8; utility has been
 217         updated to allow explicitly-assigned <acronym>IPv4</acronym>
 218         and <acronym>IPv6</acronym> addresses to be used within
 219         a jail.</para>
 220
 221       <para revision="317855">The &man.daemon.8; utility has been
 222         updated to allow redirecting &man.stdout.4; and &man.stderr.4;
 223         output to &man.syslog.3; and to a file.</para>
 224     </sect2>
 225
 226     <sect2 xml:id="userland-contrib">
 227       <title>Contributed Software</title>
 228
 229       <para revision="307729">&man.unbound.8; has been updated to
 230         version 1.5.10.</para>
 231
 232       <para revision="309511"><application>Subversion</application>
 233         has been updated to version 1.9.5.</para>
 234
 235       <para revision="309847">&man.file.1; has been updated to version
 236         5.29.</para>
 237
 238       <para revision="310490">The &man.amd.8; utility has been updated
 239         to version 6.2.</para>
 240
 241       <para revision="312336">The <acronym>CLDR</acronym> locales have
 242         been updated to version 30.0.3.  The unicode locales have been
 243         updated to version 9.0.0.</para>
 244
 245       <para revision="312517">&man.xz.1; has been updated to version
 246         5.2.3.</para>
 247
 248       <para revision="313537">&man.tcpdump.1; has been updated to
 249         version 4.9.0.</para>
 250
 251       <para revision="313795">&man.zlib.3; has been updated to version
 252         1.2.11.</para>
 253
 254       <para revision="313980"><application>openresolv</application>
 255         has been updated to version 3.9.0.</para>
 256
 257       <para revision="313680">The NetBSD test suite has been updated
 258         to the 01.11.2017_23.20 snapshot.</para>
 259
 260       <para revision="314278"><literal>libucl</literal> has been
 261         updated to version 20170219.</para>
 262
 263       <para revision="315432">&man.libarchive.3; has been updated to
 264         version 3.3.1.</para>
 265
 266       <para revision="315995">&man.dma.8; has been updated to the
 267         2017-02-10 snapshot.</para>
 268
 269       <para revision="316068">&man.ntpd.8; has been updated to version
 270         4.2.8p10.</para>
 271
 272       <para revision="316303"><application>ACPICA</application> has
 273         been updated to version 20170303.</para>
 274
 275       <para revision="316349">Timezone data files have been updated to
 276         version 2017b.</para>
 277
 278       <para revision="316420">&man.mandoc.1; has been updated to
 279         version 1.14.</para>
 280
 281       <para revision="316423"><application>Clang</application> has
 282         been updated to version 4.0.0.</para>
 283
 284       <para revision="316423"><application>LLVM</application> has
 285         been updated to version 4.0.0.</para>
 286
 287       <para revision="316423"><application>LLD</application> has
 288         been updated to version 4.0.0.</para>
 289
 290       <para revision="316423"><application>LLDB</application> has
 291         been updated to version 4.0.0.</para>
 292
 293       <para revision="316423"><application>compiler-rt</application>
 294         has been updated to version 4.0.0.</para>
 295
 296       <para revision="316423"><application>libc++</application> has
 297         been updated to version 4.0.0.</para>
 298
 299       <para revision="316957">&man.tcsh.1; has been updated to version
 300         6.20.00.</para>
 301
 302       <para revision="318239" contrib="sponsor"
 303         sponsor="&ff;">&man.blacklistd.8; has been updated to the
 304         20170503 snapshot.</para>
 305
 306       <para revision="318402" contrib="sponsor"
 307         sponsor="&ff;">&man.blacklistd.8; support for
 308         <application>OpenSSH</application> has been refined to adjust
 309         notification points to catch all authentication failures
 310         rather than authentication failures caused by invalid
 311         login usernames.</para>
 312     </sect2>
 313
 314     <sect2 xml:id="userland-installer">
 315       <title>Installation and Configuration Tools</title>
 316
 317       <para>&nbsp;</para>
 318     </sect2>
 319
 320     <sect2 xml:id="userland-rc">
 321       <title><filename class="directory">/etc/rc.d</filename>
 322         Scripts</title>
 323
 324       <para revision="310009" contrib="sponsor"
 325         sponsor="&fisglobal;">The <literal>jail_confwarn</literal>
 326         &man.rc.conf.5; entry has been added, which suppresses warning
 327         about obsolete per-&man.jail.8; configurations.</para>
 328     </sect2>
 329
 330     <sect2 xml:id="userland-periodic">
 331       <title><filename class="directory">/etc/periodic</filename>
 332         Scripts</title>
 333
 334       <para revision="317857">The <filename>410.status-mfi</filename>
 335         &man.periodic.8; script has been added to monitor the status
 336         of &man.mfi.4; volumes.</para>
 337     </sect2>
 338
 339     <sect2 xml:id="userland-libraries">
 340       <title>Runtime Libraries and API</title>
 341
 342       <para revision="317618" contrib="sponsor"
 343         sponsor="&dellemc;">The <function>clock_nanosleep()</function>
 344         system call has been added.  The
 345         <function>nanosleep()</function> system call is now a wrapper
 346         around <function>clock_nanosleep()</function>.</para>
 347     </sect2>
 348
 349     <sect2 xml:id="userland-abi">
 350       <title>ABI Compatibility</title>
 351
 352       <para revision="315274" contrib="sponsor"
 353         sponsor="&dellemc;">The
 354         <function>sem_clockwait_np()</function> library function has
 355         been added, which allows the caller to specify the reference
 356         clock and choose between absolute and relative mode.</para>
 357
 358       <para revision="315282">The <application>clang</application>
 359         <literal>nullability</literal> attribute has been added to the
 360         <literal>C</literal> library headers.</para>
 361     </sect2>
 362   </sect1>
 363
 364   <sect1 xml:id="kernel">
 365     <title>Kernel</title>
 366
 367     <para>This section covers changes to kernel configurations, system
 368       tuning, and system control parameters that are not otherwise
 369       categorized.</para>
 370
 371     <sect2 xml:id="kernel-bugfix">
 372       <title>Kernel Bug Fixes</title>
 373
 374       <para revision="316039">The &man.kvm.close.3; function has been
 375         updated to return the accumulated error from previous
 376         &man.close.2; calls.</para>
 377
 378       <para revision="317434">The &man.ipf.4; packet filter has been
 379         updated to prevent &quot;keep state&quot; from incorrectly
 380         implying &quot;keep frags&quot;, matching the behavior
 381         documented in &man.ipf.5;.</para>
 382     </sect2>
 383
 384     <sect2 xml:id="kernel-config">
 385       <title>Kernel Configuration</title>
 386
 387       <para revision="315514" contrib="sponsor" sponsor="&yandex;">The
 388         <literal>IPSEC_NAT_T</literal> kernel configuration option has
 389         been removed.  Support for <acronym>NAT-T</acronym> is now
 390         enabled by default.</para>
 391
 392       <para revision="315514" contrib="sponsor" sponsor="&yandex;">The
 393         <literal>IPSEC_FILTERTUNNEL</literal> kernel option has been
 394         removed, which was deprecated by the
 395         <literal>net.inet.ipsec.filtertunnel</literal> sysctl.</para>
 396     </sect2>
 397
 398     <sect2 xml:id="kernel-modules">
 399       <title>Kernel Modules</title>
 400
 401       <para revision="315514" contrib="sponsor" sponsor="&yandex;">The
 402         <literal>ipsec</literal> and <literal>tcpmd5</literal> kernel
 403         modules have been added.</para>
 404
 405       <para revision="316274" contrib="sponsor" sponsor="&yandex;">The
 406         &man.ipfw.4; packet filter has been updated to add support for
 407         named dynamic states.</para>
 408
 409       <para revision="316444" contrib="sponsor" sponsor="&yandex;">The
 410         <literal>ipfw_nptv6</literal> kernel module has been added,
 411         implementing Network Prefix Translation for
 412         <acronym>IPv6</acronym> as defined in <acronym>RFC</acronym>
 413         6296.</para>
 414
 415       <para revision="316446" contrib="sponsor" sponsor="&yandex;">The
 416         <literal>ipfw_nat64</literal> kernel module has been added,
 417         implementing stateless and stateful
 418         <acronym>NAT64</acronym>.</para>
 419
 420       <para revision="316660" contrib="sponsor" sponsor="&ff;">The
 421         &man.cfumass.4; device has been added, providing a storage
 422         frontend to <acronym>USB</acronym>
 423         <acronym>OTG</acronym>-capable hardware.</para>
 424
 425       <para revision="317045" contrib="sponsor" sponsor="&yandex;">The
 426         <literal>ipfw_pmod</literal> kernel module has been added,
 427         designed for modifying packets of any protocol.</para>
 428
 429       <note>
 430         <para>At present, only <acronym>TCP</acronym>
 431           <acronym>MSS</acronym> modification is implemented.</para>
 432       </note>
 433     </sect2>
 434
 435     <sect2 xml:id="kernel-sysctl">
 436       <title>System Tuning and Controls</title>
 437
 438       <para revision="315539">The
 439         <literal>vfs.root_mount_always_wait</literal> tunable has been
 440         added, which forces the kernel to wait for root mount holds
 441         even if the root device is already present.</para>
 442
 443       <para revision="316120" contrib="sponsor"
 444         sponsor="&dellemc;">When the system real time clock
 445         (<acronym>RTC</acronym>) is adjusted, such as by
 446         <function>clock_settime()</function>, sleeping threads are now
 447         awakened and absolute sleep times are reevaluated based on the
 448         new value of the RTC.</para>
 449     </sect2>
 450   </sect1>
 451
 452   <sect1 xml:id="drivers">
 453     <title>Devices and Drivers</title>
 454
 455     <para>This section covers changes and additions to devices and
 456       device drivers since &release.prev;.</para>
 457
 458     <sect2 xml:id="drivers-device">
 459       <title>Device Drivers</title>
 460
 461       <para revision="307768">The &man.jedec.ts.4; driver has been
 462         added, providing support for thermal sensors on memory
 463         modules.  The driver currently supports chips that are fully
 464         compliant with the <acronym>JEDEC</acronym>
 465         <acronym>JC</acronym> 42.4 specification.</para>
 466
 467       <para revision="308104">The &man.chromebook.platform.4; driver
 468         has been added, providing support for various Chromebook
 469         models.</para>
 470
 471       <para revision="308942">The &man.bytgpio.4; driver has been
 472         added, providing support for Intel&reg; Bay&nbsp;Trail&trade;
 473         SoC GPIO controllers.</para>
 474
 475       <para revision="318357" contrib="sponsor"
 476         sponsor="&intelcorp;">The &man.ixl.4; driver has been updated
 477         to version 1.7.12-k.</para>
 478     </sect2>
 479
 480     <sect2 xml:id="drivers-storage">
 481       <title>Storage Drivers</title>
 482
 483       <para>&nbsp;</para>
 484     </sect2>
 485
 486     <sect2 xml:id="drivers-network">
 487       <title>Network Drivers</title>
 488
 489       <para revision="309377" contrib="sponsor"
 490         sponsor="&broadcom;">The &man.bnxt.4; driver has been added,
 491         providing support for Broadcom&reg; NetXtreme-C&trade; and
 492         NetXtreme-E&trade; devices.</para>
 493
 494       <para revision="311506" contrib="sponsor"
 495         sponsor="&chelsio;">The &man.cxgbe.4; driver has been updated
 496         to firmware version 1.16.26.0.</para>
 497
 498       <para revision="312358">The &man.alc.4; driver has been updated
 499         to provide support for Atheros&reg; Killer&nbsp;E2400&trade;
 500         Gigabit ethernet cards.</para>
 501
 502       <para revision="314005" contrib="sponsor" sponsor="&ms;">The
 503         &man.alc.4; driver has been updated to provide support for
 504         Atheros&reg; Killer&nbsp;E2500&trade; Gigabit ethernet
 505         cards.</para>
 506
 507       <para revision="317116">The &man.qlnxe.4; driver has been added,
 508         providing support for Cavium&reg; Qlogic&trade; 45000 Series
 509         adapters.</para>
 510
 511       <para revision="317182">The &man.qlxgbe.4; firmware has been
 512         updated to version 5.4.64.</para>
 513     </sect2>
 514   </sect1>
 515
 516   <sect1 xml:id="hardware">
 517     <title>Hardware Support</title>
 518
 519     <para>This section covers general hardware support for physical
 520       machines, hypervisors, and virtualization environments, as well
 521       as hardware changes and updates that do not otherwise fit in
 522       other sections of this document.</para>
 523
 524     <sect2 xml:id="hardware-support">
 525       <title>Hardware Support</title>
 526
 527       <para revision="307144">The &man.cloudabi.4; driver has been
 528         updated to allow running 32-bit binaries within 64-bit
 529         userland environments when the kernel configuration file has
 530         the <literal>COMPAT_CLOUDABI32</literal> option
 531         present.</para>
 532     </sect2>
 533
 534     <sect2 xml:id="hardware-virtualization">
 535       <title>Virtualization Support</title>
 536
 537       <para>&nbsp;</para>
 538     </sect2>
 539
 540     <sect2 xml:id="hardware-arm">
 541       <title>ARM Support</title>
 542
 543       <para revision="305436">Support for the Allwinner A13 board has
 544         been added.</para>
 545     </sect2>
 546   </sect1>
 547
 548   <sect1 xml:id="storage">
 549     <title>Storage</title>
 550
 551     <para>This section covers changes and additions to file systems
 552       and other storage subsystems, both local and networked.</para>
 553
 554     <sect2 xml:id="storage-general">
 555       <title>General Storage</title>
 556
 557       <para>&nbsp;</para>
 558     </sect2>
 559
 560     <sect2 xml:id="storage-net">
 561       <title>Networked Storage</title>
 562
 563       <para>&nbsp;</para>
 564     </sect2>
 565
 566     <sect2 xml:id="storage-zfs">
 567       <title>ZFS</title>
 568
 569       <para>&nbsp;</para>
 570     </sect2>
 571
 572     <sect2 xml:id="storage-geom">
 573       <title>&man.geom.4;</title>
 574
 575       <para>&nbsp;</para>
 576     </sect2>
 577   </sect1>
 578
 579   <sect1 xml:id="boot">
 580     <title>Boot Loader Changes</title>
 581
 582     <para>This section covers the boot loader, boot menu, and other
 583       boot-related changes.</para>
 584
 585     <sect2 xml:id="boot-loader">
 586       <title>Boot Loader Changes</title>
 587
 588       <para revision="307632" contrib="sponsor" sponsor="&gandi;">The
 589         <acronym>EFI</acronym> loader has been updated to support
 590         <acronym>TFTPFS</acronym>, providing netboot support without
 591         requiring an <acronym>NFS</acronym> server.</para>
 592     </sect2>
 593
 594     <sect2 xml:id="boot-menu">
 595       <title>Boot Menu Changes</title>
 596
 597       <para>&nbsp;</para>
 598     </sect2>
 599   </sect1>
 600
 601   <sect1 xml:id="network">
 602     <title>Networking</title>
 603
 604     <para>This section describes changes that affect networking in
 605       &os;.</para>
 606
 607     <sect2 xml:id="network-general">
 608       <title>General Network Changes</title>
 609
 610       <para revision="311681" contrib="sponsor" sponsor="&yandex;">The
 611         network stack has been updated to include
 612         <function>ip6_tryforward()</function>, providing performance
 613         benefits as result of a reduced number of checks.</para>
 614
 615       <para revision="313523" contrib="sponsor"
 616         sponsor="&dellemc;">The network stack has been modified to fix
 617         incorrect or invalid <acronym>IP</acronym> addresses if
 618         multiple threads emit a <acronym>UDP</acronym>
 619         <literal>log_in_vein</literal> message concurrently.</para>
 620
 621       <para revision="317386" contrib="sponsor"
 622         sponsor="&multiplay;">The <acronym>TCP</acronym> stack has
 623         been changed to use the estimated <acronym>RTT</acronym>
 624         instead of timestamps for receive buffer auto resizing.</para>
 625     </sect2>
 626
 627     <sect2 xml:id="network-protocols">
 628       <title>Network Protocols</title>
 629
 630       <para revision="309337" contrib="sponsor"
 631         sponsor="&dellemc;">Support for <acronym>GARP</acronym>
 632         retransmit has been added.  A new &man.sysctl.8;,
 633         <literal>net.link.ether.inet.garp_rexmit_count</literal>, has
 634         been added, which sets the maximum number of retransmissions
 635         when set to a non-zero value.</para>
 636
 637       <para revision="315514" contrib="sponsor"
 638         sponsor="&yandex;">Support for the
 639         <literal>UDP_ENCAP_ESPINUDP_NON_IKE</literal> encapsulation
 640         type has been removed.</para>
 641     </sect2>
 642   </sect1>
 643
 644   <sect1 xml:id="ports">
 645     <title>Ports Collection and Package Infrastructure</title>
 646
 647     <para>This section covers changes to the &os;&nbsp;Ports
 648       Collection, package infrastructure, and package maintenance and
 649       installation tools.</para>
 650
 651     <sect2 xml:id="ports-infrastructure">
 652       <title>Infrastructure Changes</title>
 653
 654       <para>&nbsp;</para>
 655     </sect2>
 656
 657     <sect2 xml:id="ports-packages ">
 658       <title>Packaging Changes</title>
 659
 660       <para>&nbsp;</para>
 661     </sect2>
 662   </sect1>
 663
 664   <sect1 xml:id="doc">
 665     <title>Documentation</title>
 666
 667     <para>This section covers changes to the &os;&nbsp;Documentation
 668       Project sources and toolchain.</para>
 669
 670     <sect2 xml:id="doc-sources">
 671       <title>Documentation Source Changes</title>
 672
 673       <para>&nbsp;</para>
 674     </sect2>
 675
 676     <sect2 xml:id="doc-toolchain">
 677       <title>Documentation Toolchain Changes</title>
 678
 679       <para>&nbsp;</para>
 680     </sect2>
 681   </sect1>
 682
 683   <sect1 xml:id="releng">
 684     <title>Release Engineering and Integration</title>
 685
 686     <para>This section convers changes that are specific to the
 687       &os;&nbsp;Release Engineering processes.</para>
 688
 689     <sect2 xml:id="releng-changes">
 690       <title>Integration Changes</title>
 691
 692       <para>&nbsp;</para>
 693     </sect2>
 694   </sect1>
 695 </article>