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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="276686" contrib="sponsor" sponsor="&ff;">The
307         &man.procctl.2; system call has been updated to include
308         a facility for non-&man.init.8; processes to be declared as
309         the reaper of child processes and their decendants.</para>
310
311       <para revision="280392">The &man.setmode.3; function has been
312         updated to consistently set <literal>errno</literal> on
313         failure.</para>
314     </sect2>
315
316     <sect2 xml:id="userland-abi">
317       <title>ABI Compatibility</title>
318
319       <para revision="275807">The &linux; compatibility version has
320         been updated to <literal>2.6.18</literal>.  The
321         <literal>compat.linux.osrelease</literal> &man.sysctl.8; is
322         evaluated when building the <filename
323           role="package">emulators/linux-c6</filename> and related
324         ports.</para>
325     </sect2>
326   </sect1>
327
328   <sect1 xml:id="kernel">
329     <title>Kernel</title>
330
331     <para>This section covers changes to kernel configurations, system
332       tuning, and system control parameters that are not otherwise
333       categorized.</para>
334
335     <sect2 xml:id="kernel-bugfix">
336       <title>Kernel Bug Fixes</title>
337
338       <para revision="276068">A kernel panic triggered when destroying
339         a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has
340         been fixed.</para>
341
342       <para revision="284018">A kernel panic triggered when destroying
343         a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has
344         been fixed.</para>
345     </sect2>
346
347     <sect2 xml:id="kernel-config">
348       <title>Kernel Configuration</title>
349
350       <para revision="283076" contrib="sponsor" sponsor="&intelcorp;"
351         arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are
352         now included in the <filename>GENERIC</filename> kernel
353         configuration by default.</para>
354
355       <para revision="284522" contrib="sponsor"
356         sponsor="&limelight;">A new kernel configuration option,
357         <literal>EM_MULTIQUEUE</literal>, has been added which enables
358         multi-queue support in the &man.em.4; driver.</para>
359
360       <note>
361         <para>Multi-queue support in the &man.em.4; driver is not
362           officially supported by &intel;.</para>
363       </note>
364     </sect2>
365
366     <sect2 xml:id="kernel-sysctl">
367       <title>System Tuning and Controls</title>
368
369       <para revision="276986">Throttling via <acronym>ACPI</acronym>
370         and <acronym>P4TCC</acronym> via &man.device.hints.5; have
371         been turned off by default.</para>
372
373       <para revision="278982" contrib="sponsor" sponsor="&ff;">The
374         &man.hwpmc.4; default and maximum callchain depths have been
375         increased.  The default has been increased from 16 to 32, and
376         the maximum increased from 32 to 128.</para>
377
378       <para revision="281255" contrib="sponsor"
379         sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has
380         been changed to update timestamps for read/write operations
381         using seconds precision.  A new &man.sysctl.8;,
382         <literal>vfs.devfs.dotimes</literal> has been added, which
383         when set to a non-zero value, enables default precision
384         timestamps for these operations.</para>
385
386       <para revision="280632">The <literal>kern.osrelease</literal>
387         and <literal>kern.osreldate</literal> are now configurable
388         &man.jail.8; parameters.</para>
389
390       <para revision="284665" contrib="sponsor" sponsor="&ff;">A new
391         &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been
392         added, which when set to a non-zero value allows using
393         &man.rctl.8; with the <literal>GENERIC</literal> kernel.
394         A new kernel configuration option,
395         <literal>RACCT_DISABLED</literal> has also been added.</para>
396
397       <para revision="284665" contrib="sponsor" sponsor="&ff;">The
398         <literal>GENERIC</literal> kernel configuration now includes
399         <literal>RACCT</literal> and <literal>RCTL</literal> by
400         default.</para>
401
402       <note>
403         <para>To enable <literal>RACCT</literal> and
404           <literal>RCTL</literal> on a system using the
405           <literal>GENERIC</literal> kernel configuration, add
406           <literal>kern.racct.enable=1</literal> to
407           &man.loader.conf.5;, and reboot the system.</para>
408       </note>
409     </sect2>
410   </sect1>
411
412   <sect1 xml:id="drivers">
413     <title>Devices and Drivers</title>
414
415     <para>This section covers changes and additions to devices and
416       device drivers since &release.prev;.</para>
417
418     <sect2 xml:id="drivers-device">
419       <title>Device Drivers</title>
420
421       <para revision="282199">The <literal>drm</literal> code has
422         been updated to match &linux; version 3.8.13.</para>
423
424       <para revision="281708">The &man.psm.4; driver has been updated
425         to include improved support for newer Synaptics&nbsp;&reg;
426         touchpads and the ClickPad&nbsp;&reg; mouse on newer
427         Lenovo&nbsp;&trade; laptops.</para>
428     </sect2>
429
430     <sect2 xml:id="drivers-storage">
431       <title>Storage Drivers</title>
432
433       <para revision="281957">The &man.hptnr.4; driver has been
434         updated to version 1.1.1.</para>
435     </sect2>
436
437     <sect2 xml:id="drivers-network">
438       <title>Network Drivers</title>
439
440       <para revision="274486">The &man.pfil.9; interface default hash
441         has been changed from <literal>Jenkins</literal> to
442         <literal>Murmur3</literal>, providing a 3-percent performance
443         increase in packets-per-second.</para>
444
445       <para revision="279157">The &man.ral.4; driver has been updated
446         to support the RT5390 and RT5392 chipsets.</para>
447
448       <para revision="284066" contrib="sponsor" sponsor="&yandex;">The
449         &man.gre.4; driver has been significantly overhauled, and has
450         been split into two separate modules, &man.gre.4; and
451         &man.me.4;.</para>
452
453       <para revision="284365">The &man.vxlan.4; driver has been added,
454         which creates a virtual Layer 2 (Ethernet) network overlaid in
455         a Layer 3 (IP/UDP) network.  The &man.vxlan.4; driver is
456         analogous to &man.vlan.4;, but is designed to be better suited
457         for large, multiple-tenant datacenter environments.</para>
458
459       <para revision="284499">The &man.cdce.4; driver has been updated
460         to include support for the RTL8153 chipset.</para>
461     </sect2>
462   </sect1>
463
464   <sect1 xml:id="hardware">
465     <title>Hardware Support</title>
466
467     <para>This section covers general hardware support for physical
468       machines, hypervisors, and virtualization environments, as well
469       as hardware changes and updates that do not otherwise fit in
470       other sections of this document.</para>
471
472     <sect2 xml:id="hardware-support">
473       <title>Hardware Support</title>
474
475       <para>&nbsp;</para>
476     </sect2>
477
478     <sect2 xml:id="hardware-virtualization">
479       <title>Virtualization Support</title>
480
481       <para revision="275273">The &man.virtio.console.4; driver has
482         been added, which provides an interface to VirtIO console
483         devices through a &man.tty.4; device.</para>
484
485       <para revision="276403">The &man.bhyve.8; hypervisor has been
486         updated to support &amd; processors with
487         <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware
488         extensions.</para>
489
490       <para revision="280370">The &man.bhyve.8; hypervisor has been
491         updated to support <literal>DSM TRIM</literal> commands for
492         virtual <acronym>AHCI</acronym> disks.</para>
493
494       <para revision="283280" contrib="sponsor" sponsor="&msostc;">The
495         Hyper-V&trade; drivers have been updated with several
496         enhancements:</para>
497
498       <itemizedlist>
499         <listitem>
500           <para>The &man.hv.vmbus.4; driver now has multi-channel
501             support.</para>
502         </listitem>
503
504         <listitem>
505           <para>The &man.hv.storvsc.4; driver now has scatter/gather
506             support, in addition to performance improvements.</para>
507         </listitem>
508
509         <listitem>
510           <para>The &man.hv.kvp.4; driver has received several bug
511             fixes.</para>
512         </listitem>
513       </itemizedlist>
514
515       <para revision="285236" contrib="sponsor" sponsor="&msostc;">The
516         &man.hv.netvsc.4; driver has been updated to support checksum
517         offloading and <acronym>TSO</acronym>.</para>
518     </sect2>
519
520     <sect2 xml:id="hardware-arm">
521       <title>ARM Support</title>
522
523       <para revision="278079" arch="arm">Support to turn off the
524         BeagleBone Black system with the &man.shutdown.8;
525         <literal>-p</literal> flag or by invoking &man.poweroff.8; has
526         been added.</para>
527
528       <para revision="278608">The <literal>bcm2835_cpufreq</literal>
529         driver has been added, which supports <acronym>CPU</acronym>
530         frequency and voltage control on the Raspberry Pi
531         <acronym>SOC</acronym>.</para>
532     </sect2>
533   </sect1>
534
535   <sect1 xml:id="storage">
536     <title>Storage</title>
537
538     <para>This section covers changes and additions to file systems
539       and other storage subsystems, both local and networked.</para>
540
541     <sect2 xml:id="storage-general">
542       <title>General Storage</title>
543
544       <para revision="279002" contrib="sponsor" sponsor="&ix;">The
545         &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten,
546         replacing <acronym>iSCSI</acronym>-specific mapping mechanisms
547         with a new mechanism that works for any port.</para>
548
549       <para revision="279055" contrib="sponsor" sponsor="&ix;">The
550         &man.ctld.8; utility has been updated to allow controlling
551         non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para>
552
553       <para revision="283223" contrib="sponsor" sponsor="&ff;">The
554         &man.autofs.5; subsystem has been updated to include a new
555         &man.auto.master.5; map, <literal>-media</literal>, which
556         allows automatically mounting removable media, such as
557         <acronym>CD</acronym> drives or <acronym>USB</acronym> flash
558         drives.</para>
559
560       <para revision="283242" contrib="sponsor" sponsor="&ff;">The
561         &man.autofs.5; subsystem has been updated to include a new
562         &man.auto.master.5; map, <literal>-noauto</literal>, which
563         handles &man.fstab.5; entries set to
564         <literal>noauto</literal>.</para>
565     </sect2>
566
567     <sect2 xml:id="storage-net">
568       <title>Networked Storage</title>
569
570       <para revision="274939" contrib="sponsor" sponsor="&ix;">The
571         &man.ctld.8; utility has been updated to include support for
572         registering <acronym>iSCSI</acronym> targets and portals on
573         <acronym>iSNS</acronym> servers.  This provides a mechanism
574         which allows <acronym>iSCSI</acronym> initiators to find
575         targets and portals without requiring active
576         discovery.</para>
577     </sect2>
578
579     <sect2 xml:id="storage-zfs">
580       <title>ZFS</title>
581
582       <para revision="275490">A new tunable,
583         <literal>vfs.zfs.spa_slop_shift</literal>, has been added,
584         which controls how much space is reserved by default.</para>
585
586       <para revision="277583">The <literal>arc_meta_limit</literal>
587         statistics are now visible through the
588         <literal>kstat</literal> &man.sysctl.8;.  As a result of this
589         change, the <literal>vfs.zfs.arc_meta_used</literal>
590         &man.sysctl.8; has been removed, and replaced with the
591         <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal>
592         &man.sysctl.8;.</para>
593     </sect2>
594
595     <sect2 xml:id="storage-geom">
596       <title>&man.geom.4;</title>
597
598       <para revision="275891" contrib="sponsor" sponsor="&ix;">The
599         &man.ctl.4; subsystem has been updated, increasing the ports
600         limit from <literal>128</literal> to <literal>256</literal>,
601         and <acronym>LUN</acronym> limit from <literal>256</literal>
602         to <literal>1024</literal>.</para>
603
604       <para revision="282861">Support for the
605         <literal>apple-boot</literal>, <literal>apple-hfs</literal>,
606         and <literal>apple-ufs</literal> <acronym>MBR</acronym>
607         partitioning schemes have been added to &man.gpart.8;.</para>
608     </sect2>
609   </sect1>
610
611   <sect1 xml:id="boot">
612     <title>Boot Loader Changes</title>
613
614     <para>This section covers the boot loader, boot menu, and other
615       boot-related changes.</para>
616
617     <sect2 xml:id="boot-loader">
618       <title>Boot Loader Changes</title>
619
620       <para revision="281843">The boot loader has been updated to
621         support entering the <acronym>GELI</acronym> passphrase before
622         loading the kernel.  To enable this behavior, add
623         <literal>geom_eli_passphrase_prompt="YES"</literal> to
624         &man.loader.conf.5;.</para>
625
626       <para revision="283262" contrib="sponsor" sponsor="&ff;">The
627         memory test run at boot time on &os;/&arch.amd64; platforms
628         has been disabled by default.</para>
629
630       <para revision="283972">A new &man.ttys.5; class,
631         <literal>3wire</literal>, has been added.  This is similar to
632         the existing terminal classes, but does not have a defined
633         baudrate.</para>
634
635       <para revision="284775" contrib="sponsor" sponsor="&ff;"
636         arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been
637         updated to enable <filename>ttyu1</filename>,
638         <filename>ttyu2</filename>, and <filename>ttyu3</filename> by
639         default, if the callin port is an active console port.</para>
640     </sect2>
641
642     <sect2 xml:id="boot-menu">
643       <title>Boot Menu Changes</title>
644
645       <para>&nbsp;</para>
646     </sect2>
647   </sect1>
648
649   <sect1 xml:id="network">
650     <title>Networking</title>
651
652     <para>This section describes changes that affect networking in
653       &os;.</para>
654
655     <sect2 xml:id="network-protocols">
656       <title>Network Procols</title>
657
658       <para>&nbsp;</para>
659     </sect2>
660   </sect1>
661
662   <sect1 xml:id="ports">
663     <title>Ports Collection and Package Infrastructure</title>
664
665     <para>This section covers changes to the &os;&nbsp;Ports
666       Collection, package infrastructure, and package maintenance and
667       installation tools.</para>
668
669     <sect2 xml:id="ports-infrastructure">
670       <title>Infrastructure Changes</title>
671
672       <para>&nbsp;</para>
673     </sect2>
674
675     <sect2 xml:id="ports-packages ">
676       <title>Packaging Changes</title>
677
678       <para>&nbsp;</para>
679     </sect2>
680   </sect1>
681
682   <sect1 xml:id="doc">
683     <title>Documentation</title>
684
685     <para>This section covers changes to the &os;&nbsp;Documentation
686       Project sources and toolchain.</para>
687
688     <sect2 xml:id="doc-sources">
689       <title>Documentation Source Changes</title>
690
691       <para>&nbsp;</para>
692     </sect2>
693
694     <sect2 xml:id="doc-toolchain">
695       <title>Documentation Toolchain Changes</title>
696
697       <para>&nbsp;</para>
698     </sect2>
699   </sect1>
700
701   <sect1 xml:id="releng">
702     <title>Release Engineering and Integration</title>
703
704     <para>This section convers changes that are specific to the
705       &os;&nbsp;Release Engineering processes.</para>
706
707     <sect2 xml:id="releng-changes">
708       <title>Integration Changes</title>
709
710       <para revision="283161" contrib="sponsor" sponsor="&ff;">The
711         Release Engineering build tools have been updated to support
712         building &os;/&arch.arm; images without external utilities for
713         supported boards where a corresponding
714         <literal>u-boot</literal> port exists in the Ports
715         Collection.</para>
716
717       <para revision="283548" contrib="sponsor" sponsor="&ff;">The
718         &os;/&arch.i386; memory stick installation images are now
719         created using the &man.mkimg.1; utility, matching the way
720         the &os;/&arch.amd64; images are created.</para>
721     </sect2>
722   </sect1>
723 </article>