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

   1 <?xml version="1.0" encoding="iso-8859-1"?>
   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     <!-- Last rev: 284813 -->
  26
  27     <copyright>
  28       <year>2015</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;.</para>
  98
  99     <para>Typical release note items document recent security
 100       advisories issued after &release.prev;, new drivers or hardware
 101       support, new commands or options, major bug fixes, or
 102       contributed software upgrades.  They may also list changes to
 103       major ports/packages or release engineering practices.  Clearly
 104       the release notes cannot list every single change made to &os;
 105       between releases; this document focuses primarily on security
 106       advisories, user-visible changes, and major architectural
 107       improvements.</para>
 108   </sect1>
 109
 110   <sect1 xml:id="upgrade">
 111     <title>Upgrading from Previous Releases of &os;</title>
 112
 113     <para arch="amd64,i386">Binary upgrades between RELEASE versions
 114       (and snapshots of the various security branches) are supported
 115       using the &man.freebsd-update.8; utility.  The binary upgrade
 116       procedure will update unmodified userland utilities, as well as
 117       unmodified <filename>GENERIC</filename> kernel distributed as
 118       a part of an official &os; release.  The &man.freebsd-update.8;
 119       utility requires that the host being upgraded have Internet
 120       connectivity.</para>
 121
 122     <para>Source-based upgrades (those based on recompiling the &os;
 123       base system from source code) from previous versions are
 124       supported, according to the instructions in
 125       <filename>/usr/src/UPDATING</filename>.</para>
 126
 127     <important>
 128       <para>Upgrading &os; should only be attempted after
 129         backing up <emphasis>all</emphasis> data and configuration
 130         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="276991">The &man.termcap.5; file is installed
 163         as-is from sources, instead of reordering, creating
 164         <filename>/etc/termcap.db</filename> by default, providing
 165         a performance improvements to applications that use the
 166         &man.termcap.5; database, such as &man.vi.1; and
 167         &man.ncurses.3;.</para>
 168     </sect2>
 169
 170     <sect2 xml:id="userland-programs">
 171       <title>Userland Application Changes</title>
 172
 173       <para revision="275040">A new utility, &man.dpv.1;, has been
 174         added to the base system, providing a &man.dialog.1;-style
 175         progress view from one or more input streams.  A corresponding
 176         library, &man.dpv.3;, has also been added.</para>
 177
 178       <para revision="275945">The &man.elfdump.1; utility has been
 179         updated to support capability mode provided by
 180         &man.capsicum.4;.</para>
 181
 182       <para revision="277434" contrib="sponsor" sponsor="&ff;">The
 183         &man.fstyp.8; utility has been added, which is used to
 184         determine the filesystem on a specified device.</para>
 185
 186       <para revision="278968" contrib="sponsor" sponsor="&ff;">The
 187         &man.mkimg.1; utility has been updated to support the
 188         <acronym>MBR</acronym> <acronym>EFI</acronym> partition
 189         type.</para>
 190
 191       <para revision="281044">A regression in the &man.libarchive.3;
 192         library that would prevent a directory from being included in
 193         the archive when <literal>--one-file-system</literal> is used
 194         has been fixed.</para>
 195
 196       <para revision="281161" contrib="sponsor"
 197         sponsor="&limelight;">A new flag, <literal>-R</literal>, has
 198         been added to the &man.netstat.8; utility, which is used to
 199         dump <acronym>RSS</acronym>/flow information.</para>
 200
 201       <para revision="281936" contrib="sponsor" sponsor="&ff;">The
 202         &man.ar.1; utility has been updated to set
 203         <literal>ARCHIVE_EXTRACT_SECURE_SYMLINKS</literal> and
 204         <literal>ARCHIVE_EXTRACT_SECURE_NODOTDOT</literal> to disallow
 205         directory traversal when extracting an archive, similar to
 206         &man.tar.1;.</para>
 207
 208       <para revision="282278">A race condition in &man.wc.1; that
 209         would cause final results to be sent to &man.stderr.4; when
 210         receiving the <literal>SIGINFO</literal> signal has been
 211         fixed.</para>
 212
 213       <para revision="282870" contrib="sponsor"
 214         sponsor="&scaleengine;">The &man.freebsd-update.8; utility has
 215         been updated to prevent fetching updated binary patches when
 216         a previous upgrade has not been thoroughly completed.</para>
 217
 218       <para revision="282974" contrib="sponsor" sponsor="&ff;">The
 219         &man.uefisign.8; utility has been added.</para>
 220
 221       <para revision="283875" contrib="sponsor"
 222         sponsor="&multiplay;">The &man.chflags.1;, &man.chgrp.1;,
 223         &man.chmod.1;, and &man.chown.8; utilities now affect symbolic
 224         links when the <literal>-R</literal> flag is specified, as
 225         documented in &man.symlink.7;.</para>
 226
 227       <para revision="283258">The &man.date.1; utility has been
 228         updated to print the modification time of the file passed as
 229         an argument to the <literal>-r</literal> flag, improving
 230         compatibility with the <acronym>GNU</acronym> &man.date.1;
 231         utility behavior.</para>
 232
 233       <para revision="284523">A new flag, <literal>-c</literal>, has
 234         been added to the &man.mkimg.1; utility, which allows
 235         specifying the capacity of the target disk image.</para>
 236
 237       <para revision="285092">The &man.pw.8; utility has been updated
 238         with a new flag, <literal>-R</literal>, that sets the root
 239         directory within which the utility will operate.</para>
 240     </sect2>
 241
 242     <sect2 xml:id="userland-contrib">
 243       <title>Contributed Software</title>
 244
 245       <para revision="282746" contrib="sponsor" sponsor="&ff;">The
 246         &man.resolvconf.8; utility has been updated to version
 247         3.7.0.</para>
 248
 249       <para revision="283270">The &man.nc.1; utility has been updated
 250         to the OpenBSD 5.7 version.</para>
 251
 252       <para revision="284398">Timezone data files have been updated to
 253         version 2015e.</para>
 254
 255       <para revision="284460">The &man.acpi.4; subsystem has been
 256         updated to version 20150515.</para>
 257
 258       <para revision="284778">The &man.file.1; utility has been
 259         updated to version 5.23.</para>
 260
 261       <para revision="285206">The &man.unbound.8; utility has been
 262         updated to version 1.5.3.</para>
 263
 264       <para revision="285305">The <application>sendmail</application>
 265         utility has been updated to version 8.15.2.</para>
 266
 267       <para revision="285330"><application>OpenSSL</application> has
 268         been updated to version 1.0.1p.</para>
 269     </sect2>
 270
 271     <sect2 xml:id="userland-installer">
 272       <title>Installation and Configuration Tools</title>
 273
 274       <para>&nbsp;</para>
 275     </sect2>
 276
 277     <sect2 xml:id="userland-rc">
 278       <title><filename class="directory">/etc/rc.d</filename>
 279         Scripts</title>
 280
 281       <para revision="284009">A new &man.rc.8; script,
 282         <filename>growfs</filename>, has been added, which will resize
 283         the root filesystem on boot if <filename>/firstboot</filename>
 284         exists.</para>
 285     </sect2>
 286
 287     <sect2 xml:id="userland-periodic">
 288       <title><filename class="directory">/etc/periodic</filename>
 289         Scripts</title>
 290
 291       <para revision="277520" contrib="sponsor" sponsor="&ff;">A new
 292         &man.periodic.8; script,
 293         <filename>510.status-world-kernel</filename>, has been added,
 294         which evaluates the running userland and kernel versions from
 295         the &man.uname.1; <literal>-U</literal> and
 296         <literal>-K</literal> arguments, and prints an error if the
 297         system userland and kernel are not in sync.</para>
 298     </sect2>
 299
 300     <sect2 xml:id="userland-libraries">
 301       <title>Runtime Libraries and API</title>
 302
 303       <para revision="275040">A new file configuration library,
 304         &man.figpar.3;, has been added to the base system.</para>
 305
 306       <para revision="280392">The &man.setmode.3; function has been
 307         updated to consistently set <literal>errno</literal> on
 308         failure.</para>
 309     </sect2>
 310
 311     <sect2 xml:id="userland-abi">
 312       <title>ABI Compatibility</title>
 313
 314       <para revision="275807">The &linux; compatibility version has
 315         been updated to <literal>2.6.18</literal>.  The
 316         <literal>compat.linux.osrelease</literal> &man.sysctl.8; is
 317         evaluated when building the <filename
 318           role="package">emulators/linux-c6</filename> and related
 319         ports.</para>
 320     </sect2>
 321   </sect1>
 322
 323   <sect1 xml:id="kernel">
 324     <title>Kernel</title>
 325
 326     <para>This section covers changes to kernel configurations, system
 327       tuning, and system control parameters that are not otherwise
 328       categorized.</para>
 329
 330     <sect2 xml:id="kernel-bugfix">
 331       <title>Kernel Bug Fixes</title>
 332
 333       <para revision="276068">A kernel panic triggered when destroying
 334         a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has
 335         been fixed.</para>
 336     </sect2>
 337
 338     <sect2 xml:id="kernel-config">
 339       <title>Kernel Configuration</title>
 340
 341       <para revision="283076" contrib="sponsor" sponsor="&intelcorp;"
 342         arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are
 343         now included in the <filename>GENERIC</filename> kernel
 344         configuration by default.</para>
 345
 346       <para revision="284522" contrib="sponsor"
 347         sponsor="&limelight;">A new kernel configuration option,
 348         <literal>EM_MULTIQUEUE</literal>, has been added which enables
 349         multi-queue support in the &man.em.4; driver.</para>
 350
 351       <note>
 352         <para>Multi-queue support in the &man.em.4; driver is not
 353           officially supported by &intel;.</para>
 354       </note>
 355     </sect2>
 356
 357     <sect2 xml:id="kernel-sysctl">
 358       <title>System Tuning and Controls</title>
 359
 360       <para revision="276986">Throttling via <acronym>ACPI</acronym>
 361         and <acronym>P4TCC</acronym> via &man.device.hints.5; have
 362         been turned off by default.</para>
 363
 364       <para revision="278982" contrib="sponsor" sponsor="&ff;">The
 365         &man.hwpmc.4; default and maximum callchain depths have been
 366         increased.  The default has been increased from 16 to 32, and
 367         the maximum increased from 32 to 128.</para>
 368
 369       <para revision="281255" contrib="sponsor"
 370         sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has
 371         been changed to update timestamps for read/write operations
 372         using seconds precision.  A new &man.sysctl.8;,
 373         <literal>vfs.devfs.dotimes</literal> has been added, which
 374         when set to a non-zero value, enables default precision
 375         timestamps for these operations.</para>
 376
 377       <para revision="280632">The <literal>kern.osrelease</literal>
 378         and <literal>kern.osreldate</literal> are now configurable
 379         &man.jail.8; parameters.</para>
 380
 381       <para revision="284665" contrib="sponsor" sponsor="&ff;">A new
 382         &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been
 383         added, which when set to a non-zero value allows using
 384         &man.rctl.8; with the <literal>GENERIC</literal> kernel.
 385         A new kernel configuration option,
 386         <literal>RACCT_DISABLED</literal> has also been added.</para>
 387
 388       <para revision="284665" contrib="sponsor" sponsor="&ff;">The
 389         <literal>GENERIC</literal> kernel configuration now includes
 390         <literal>RACCT</literal> and <literal>RCTL</literal> by
 391         default.</para>
 392
 393       <note>
 394         <para>To enable <literal>RACCT</literal> and
 395           <literal>RCTL</literal> on a system using the
 396           <literal>GENERIC</literal> kernel configuration, add
 397           <literal>kern.racct.enable=1</literal> to
 398           &man.loader.conf.5;, and reboot the system.</para>
 399       </note>
 400     </sect2>
 401   </sect1>
 402
 403   <sect1 xml:id="drivers">
 404     <title>Devices and Drivers</title>
 405
 406     <para>This section covers changes and additions to devices and
 407       device drivers since &release.prev;.</para>
 408
 409     <sect2 xml:id="drivers-device">
 410       <title>Device Drivers</title>
 411
 412       <para revision="282199">The <literal>drm</literal> code has
 413         been updated to match &linux; version 3.8.13.</para>
 414     </sect2>
 415
 416     <sect2 xml:id="drivers-storage">
 417       <title>Storage Drivers</title>
 418
 419       <para revision="281957">The &man.hptnr.4; driver has been
 420         updated to version 1.1.1.</para>
 421     </sect2>
 422
 423     <sect2 xml:id="drivers-network">
 424       <title>Network Drivers</title>
 425
 426       <para revision="274486">The &man.pfil.9; interface default hash
 427         has been changed from <literal>Jenkins</literal> to
 428         <literal>Murmur3</literal>, providing a 3-percent performance
 429         increase in packets-per-second.</para>
 430
 431       <para revision="279157">The &man.ral.4; driver has been updated
 432         to support the RT5390 and RT5392 chipsets.</para>
 433
 434       <para revision="284066" contrib="sponsor" sponsor="&yandex;">The
 435         &man.gre.4; driver has been significantly overhauled, and has
 436         been split into two separate modules, &man.gre.4; and
 437         &man.me.4;.</para>
 438
 439       <para revision="284365">The &man.vxlan.4; driver has been added,
 440         which creates a virtual Layer 2 (Ethernet) network overlaid in
 441         a Layer 3 (IP/UDP) network.  The &man.vxlan.4; driver is
 442         analogous to &man.vlan.4;, but is designed to be better suited
 443         for large, multiple-tenant datacenter environments.</para>
 444     </sect2>
 445   </sect1>
 446
 447   <sect1 xml:id="hardware">
 448     <title>Hardware Support</title>
 449
 450     <para>This section covers general hardware support for physical
 451       machines, hypervisors, and virtualization environments, as well
 452       as hardware changes and updates that do not otherwise fit in
 453       other sections of this document.</para>
 454
 455     <sect2 xml:id="hardware-support">
 456       <title>Hardware Support</title>
 457
 458       <para>&nbsp;</para>
 459     </sect2>
 460
 461     <sect2 xml:id="hardware-virtualization">
 462       <title>Virtualization Support</title>
 463
 464       <para revision="275273">The &man.virtio.console.4; driver has
 465         been added, which provides an interface to VirtIO console
 466         devices through a &man.tty.4; device.</para>
 467
 468       <para revision="276403">The &man.bhyve.8; hypervisior has been
 469         updated to support &amd; processors with
 470         <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware
 471         extensions.</para>
 472
 473       <para revision="280370">The &man.bhyve.8; hypervisor has been
 474         updated to support <literal>DSM TRIM</literal> commands for
 475         virtual <acronym>AHCI</acronym> disks.</para>
 476
 477       <para revision="283280" contrib="sponsor" sponsor="&msostc;">The
 478         Hyper-V&trade; drivers have been updated with several
 479         enhancements:</para>
 480
 481       <itemizedlist>
 482         <listitem>
 483           <para>The &man.hv.vmbus.4; driver now has multi-channel
 484             support.</para>
 485         </listitem>
 486
 487         <listitem>
 488           <para>The &man.hv.storvsc.4; driver now has scatter/gather
 489             support, in addition to performance improvements.</para>
 490         </listitem>
 491
 492         <listitem>
 493           <para>The &man.hv.kvp.4; driver has received several bug
 494             fixes.</para>
 495         </listitem>
 496       </itemizedlist>
 497
 498       <para revision="285236" contrib="sponsor" sponsor="&msostc;">The
 499         &man.hv.netvsc.4; driver has been updated to support checksum
 500         offloading and <acronym>TSO</acronym>.</para>
 501     </sect2>
 502
 503     <sect2 xml:id="hardware-arm">
 504       <title>ARM Support</title>
 505
 506       <para revision="278608">The <literal>bcm2835_cpufreq</literal>
 507         driver has been added, which supports <acronym>CPU</acronym>
 508         frequency and voltage control on the Raspberry Pi
 509         <acronym>SOC</acronym>.</para>
 510     </sect2>
 511   </sect1>
 512
 513   <sect1 xml:id="storage">
 514     <title>Storage</title>
 515
 516     <para>This section covers changes and additions to file systems
 517       and other storage subsystems, both local and networked.</para>
 518
 519     <sect2 xml:id="storage-general">
 520       <title>General Storage</title>
 521
 522       <para revision="279002" contrib="sponsor" sponsor="&ix;">The
 523         &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten,
 524         replacing <acronym>iSCSI</acronym>-specific mapping mechanisms
 525         with a new mechanism that works for any port.</para>
 526
 527       <para revision="279055" contrib="sponsor" sponsor="&ix;">The
 528         &man.ctld.8; utility has been updated to allow controlling
 529         non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para>
 530
 531       <para revision="283223" contrib="sponsor" sponsor="&ff;">The
 532         &man.autofs.5; subsystem has been updated to include a new
 533         &man.auto.master.5; map, <literal>-media</literal>, which
 534         allows automatically mounting removable media, such as
 535         <acronym>CD</acronym> drives or <acronym>USB</acronym> flash
 536         drives.</para>
 537
 538       <para revision="283242" contrib="sponsor" sponsor="&ff;">The
 539         &man.autofs.5; subsystem has been updated to include a new
 540         &man.auto.master.5; map, <literal>-noauto</literal>, which
 541         handles &man.fstab.5; entries set to
 542         <literal>noauto</literal>.</para>
 543     </sect2>
 544
 545     <sect2 xml:id="storage-net">
 546       <title>Networked Storage</title>
 547
 548       <para revision="274939" contrib="sponsor" sponsor="&ix;">The
 549         &man.ctld.8; utility has been updated to include support for
 550         registering <acronym>iSCSI</acronym> targets and portals on
 551         <acronym>iSNS</acronym> servers.  This provides a mechanism
 552         which allows <acronym>iSCSI</acronym> initiators to find
 553         targets and portals without requiring active
 554         discovery.</para>
 555     </sect2>
 556
 557     <sect2 xml:id="storage-zfs">
 558       <title>ZFS</title>
 559
 560       <para revision="275490">A new tunable,
 561         <literal>vfs.zfs.spa_slop_shift</literal>, has been added,
 562         which controls how much space is reserved by default.</para>
 563
 564       <para revision="277583">The <literal>arc_meta_limit</literal>
 565         statistics are now visible through the
 566         <literal>kstat</literal> &man.sysctl.8;.  As a result of this
 567         change, the <literal>vfs.zfs.arc_meta_used</literal>
 568         &man.sysctl.8; has been removed, and replaced with the
 569         <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal>
 570         &man.sysctl.8;.</para>
 571     </sect2>
 572
 573     <sect2 xml:id="storage-geom">
 574       <title>&man.geom.4;</title>
 575
 576       <para revision="275891" contrib="sponsor" sponsor="&ix;">The
 577         &man.ctl.4; subsystem has been updated, increasing the ports
 578         limit from <literal>128</literal> to <literal>256</literal>,
 579         and <acronym>LUN</acronym> limit from <literal>256</literal>
 580         to <literal>1024</literal>.</para>
 581
 582       <para revision="282861">Support for the
 583         <literal>apple-boot</literal>, <literal>apple-hfs</literal>,
 584         and <literal>apple-ufs</literal> <acronym>MBR</acronym>
 585         partitioning schemes have been added to &man.gpart.8;.</para>
 586     </sect2>
 587   </sect1>
 588
 589   <sect1 xml:id="boot">
 590     <title>Boot Loader Changes</title>
 591
 592     <para>This section covers the boot loader, boot menu, and other
 593       boot-related changes.</para>
 594
 595     <sect2 xml:id="boot-loader">
 596       <title>Boot Loader Changes</title>
 597
 598       <para revision="281843">The boot loader has been updated to
 599         support entering the <acronym>GELI</acronym> passphrase before
 600         loading the kernel.  To enable this behavior, add
 601         <literal>geom_eli_passphrase_prompt="YES"</literal> to
 602         &man.loader.conf.5;.</para>
 603
 604       <para revision="283262" contrib="sponsor" sponsor="&ff;">The
 605         memory test run at boot time on &os;/&arch.amd64; platforms
 606         has been disabled by default.</para>
 607
 608       <para revision="283972">A new &man.ttys.5; class,
 609         <literal>3wire</literal>, has been added.  This is similar to
 610         the existing terminal classes, but does not have a defined
 611         baudrate.</para>
 612
 613       <para revision="284775" contrib="sponsor" sponsor="&ff;"
 614         arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been
 615         updated to enable <filename>ttyu1</filename>,
 616         <filename>ttyu2</filename>, and <filename>ttyu3</filename> by
 617         default, if the callin port is an active console port.</para>
 618     </sect2>
 619
 620     <sect2 xml:id="boot-menu">
 621       <title>Boot Menu Changes</title>
 622
 623       <para>&nbsp;</para>
 624     </sect2>
 625   </sect1>
 626
 627   <sect1 xml:id="network">
 628     <title>Networking</title>
 629
 630     <para>This section describes changes that affect networking in
 631       &os;.</para>
 632
 633     <sect2 xml:id="network-protocols">
 634       <title>Network Procols</title>
 635
 636       <para>&nbsp;</para>
 637     </sect2>
 638   </sect1>
 639
 640   <sect1 xml:id="ports">
 641     <title>Ports Collection and Package Infrastructure</title>
 642
 643     <para>This section covers changes to the &os;&nbsp;Ports
 644       Collection, package infrastructure, and package maintenance and
 645       installation tools.</para>
 646
 647     <sect2 xml:id="ports-infrastructure">
 648       <title>Infrastructure Changes</title>
 649
 650       <para>&nbsp;</para>
 651     </sect2>
 652
 653     <sect2 xml:id="ports-packages ">
 654       <title>Packaging Changes</title>
 655
 656       <para>&nbsp;</para>
 657     </sect2>
 658   </sect1>
 659
 660   <sect1 xml:id="doc">
 661     <title>Documentation</title>
 662
 663     <para>This section covers changes to the &os;&nbsp;Documentation
 664       Project sources and toolchain.</para>
 665
 666     <sect2 xml:id="doc-sources">
 667       <title>Documentation Source Changes</title>
 668
 669       <para>&nbsp;</para>
 670     </sect2>
 671
 672     <sect2 xml:id="doc-toolchain">
 673       <title>Documentation Toolchain Changes</title>
 674
 675       <para>&nbsp;</para>
 676     </sect2>
 677   </sect1>
 678
 679   <sect1 xml:id="releng">
 680     <title>Release Engineering and Integration</title>
 681
 682     <para>This section convers changes that are specific to the
 683       &os;&nbsp;Release Engineering processes.</para>
 684
 685     <sect2 xml:id="releng-changes">
 686       <title>Integration Changes</title>
 687
 688       <para revision="283161" contrib="sponsor" sponsor="&ff;">The
 689         Release Engineering build tools have been updated to support
 690         building &os;/&arch.arm; images without external utilities for
 691         supported boards where a corresponding
 692         <literal>u-boot</literal> port exists in the Ports
 693         Collection.</para>
 694
 695       <para revision="283548" contrib="sponsor" sponsor="&ff;">The
 696         &os;/&arch.i386; memory stick installation images are now
 697         created using the &man.mkimg.1; utility, matching the way
 698         the &os;/&arch.amd64; images are created.</para>
 699     </sect2>
 700   </sect1>
 701 </article>