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6 <!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent">
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11 <!ENTITY errata SYSTEM "../../share/xml/errata.xml">
13 <article xmlns="http://docbook.org/ns/docbook"
14 xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0">
17 <title>&os; &release.current; Release Notes</title>
20 <orgname>The &os; Project</orgname>
23 <pubdate>$FreeBSD$</pubdate>
25 <!-- Last rev: 284813 -->
29 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
33 <legalnotice xml:id="trademarks" role="trademarks">
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
53 <sect1 xml:id="intro">
54 <title>Introduction</title>
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>
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
67 xlink:href="&release.url;">&release.url;</uri>.</para>
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
75 xlink:href="&release.url;">&release.url;</uri>.</para>
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
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>
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>
96 <para>This document describes the most user-visible new or changed
97 features in &os; since &release.prev;.</para>
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
110 <sect1 xml:id="upgrade">
111 <title>Upgrading from Previous Releases of &os;</title>
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
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>
128 <para>Upgrading &os; should only be attempted after
129 backing up <emphasis>all</emphasis> data and configuration
134 <sect1 xml:id="security-errata">
135 <title>Security and Errata</title>
137 <para>This section lists the various Security Advisories and
138 Errata Notices since &release.prev;.</para>
140 <sect2 xml:id="security">
141 <title>Security Advisories</title>
146 <sect2 xml:id="errata">
147 <title>Errata Notices</title>
153 <sect1 xml:id="userland">
154 <title>Userland</title>
156 <para>This section covers changes and additions to userland
157 applications, contributed software, and system utilities.</para>
159 <sect2 xml:id="userland-config">
160 <title>Userland Configuration Changes</title>
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>
170 <sect2 xml:id="userland-programs">
171 <title>Userland Application Changes</title>
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>
178 <para revision="275945">The &man.elfdump.1; utility has been
179 updated to support capability mode provided by
180 &man.capsicum.4;.</para>
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>
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
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>
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>
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
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
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>
218 <para revision="282974" contrib="sponsor" sponsor="&ff;">The
219 &man.uefisign.8; utility has been added.</para>
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>
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>
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>
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>
242 <sect2 xml:id="userland-contrib">
243 <title>Contributed Software</title>
245 <para revision="282746" contrib="sponsor" sponsor="&ff;">The
246 &man.resolvconf.8; utility has been updated to version
249 <para revision="283270">The &man.nc.1; utility has been updated
250 to the OpenBSD 5.7 version.</para>
252 <para revision="284398">Timezone data files have been updated to
253 version 2015e.</para>
255 <para revision="284460">The &man.acpi.4; subsystem has been
256 updated to version 20150515.</para>
258 <para revision="284778">The &man.file.1; utility has been
259 updated to version 5.23.</para>
261 <para revision="285206">The &man.unbound.8; utility has been
262 updated to version 1.5.3.</para>
264 <para revision="285305">The <application>sendmail</application>
265 utility has been updated to version 8.15.2.</para>
267 <para revision="285330"><application>OpenSSL</application> has
268 been updated to version 1.0.1p.</para>
270 <para revision="285612">The <application>ntp</application>
271 suite has been updated to version 4.2.8p3.</para>
274 <sect2 xml:id="userland-installer">
275 <title>Installation and Configuration Tools</title>
280 <sect2 xml:id="userland-rc">
281 <title><filename class="directory">/etc/rc.d</filename>
284 <para revision="284009">A new &man.rc.8; script,
285 <filename>growfs</filename>, has been added, which will resize
286 the root filesystem on boot if <filename>/firstboot</filename>
290 <sect2 xml:id="userland-periodic">
291 <title><filename class="directory">/etc/periodic</filename>
294 <para revision="277520" contrib="sponsor" sponsor="&ff;">A new
295 &man.periodic.8; script,
296 <filename>510.status-world-kernel</filename>, has been added,
297 which evaluates the running userland and kernel versions from
298 the &man.uname.1; <literal>-U</literal> and
299 <literal>-K</literal> arguments, and prints an error if the
300 system userland and kernel are not in sync.</para>
303 <sect2 xml:id="userland-libraries">
304 <title>Runtime Libraries and API</title>
306 <para revision="275040">A new file configuration library,
307 &man.figpar.3;, has been added to the base system.</para>
309 <para revision="276686" contrib="sponsor" sponsor="&ff;">The
310 &man.procctl.2; system call has been updated to include
311 a facility for non-&man.init.8; processes to be declared as
312 the reaper of child processes and their decendants.</para>
314 <para revision="280392">The &man.setmode.3; function has been
315 updated to consistently set <literal>errno</literal> on
319 <sect2 xml:id="userland-abi">
320 <title>ABI Compatibility</title>
322 <para revision="275807">The &linux; compatibility version has
323 been updated to <literal>2.6.18</literal>. The
324 <literal>compat.linux.osrelease</literal> &man.sysctl.8; is
325 evaluated when building the <filename
326 role="package">emulators/linux-c6</filename> and related
331 <sect1 xml:id="kernel">
332 <title>Kernel</title>
334 <para>This section covers changes to kernel configurations, system
335 tuning, and system control parameters that are not otherwise
338 <sect2 xml:id="kernel-bugfix">
339 <title>Kernel Bug Fixes</title>
341 <para revision="276068">A kernel panic triggered when destroying
342 a &man.vnet.9; &man.jail.8; configured with &man.gif.4; has
345 <para revision="284018">A kernel panic triggered when destroying
346 a &man.vnet.9; &man.jail.8; configured with &man.gre.4; has
350 <sect2 xml:id="kernel-config">
351 <title>Kernel Configuration</title>
353 <para revision="282065" contrib="sponsor" sponsor="&ff;">The
354 <literal>PAE_TABLES</literal> kernel configuration option has
355 been added for &os;/&arch.i386;, which instructs &man.pmap.9;
356 to use <acronym>PAE</acronym> format for page tables while
357 maintaining a 32-bit physical address size elsewhere in the
358 kernel. The use of this option can enhance application-level
359 security by enabling the creation of <quote>no execute</quote>
360 mappings on modern &arch.i386; processors. Unlike the
361 <literal>PAE</literal> option, <literal>PAE_TABLES</literal>
362 preserves kernel binary interface (<acronym>KBI</acronym>)
363 compatibility with non-<literal>PAE</literal> kernels,
364 allowing non-<literal>PAE</literal> kernel modules and drivers
365 to work with a <literal>PAE_TABLES</literal>-enabled kernel.
366 Additionally, system limits are tuned for 4GB maximum
367 <acronym>RAM</acronym>, avoiding kernel virtual address space
368 (<acronym>KVA</acronym>) exhaustion.</para>
370 <para revision="282826">The <literal>SIFTR</literal> kernel
371 configuration has been added, allowing building &man.siftr.4;
372 statically into the kernel.</para>
374 <para revision="283076" contrib="sponsor" sponsor="&intelcorp;"
375 arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are
376 now included in the <filename>GENERIC</filename> kernel
377 configuration by default.</para>
379 <para revision="283505" arch="arm">The &arch.arm; boot loader,
380 <filename>ubldr</filename>, is now relocatable. In addition,
381 <filename>ubldr.bin</filename> is now created during build
382 time, which is a stripped binary with an entry point of
383 <literal>0</literal>, providing the ability to specify the
384 load address by running <literal>go
385 ${loadaddr}</literal> in
386 <literal>u-boot</literal>.</para>
388 <para revision="284094" arch="arm">A new module for creating
389 <filename>rpi.dtb</filename> has been added for the Raspberry
392 <para revision="284094" arch="arm">The
393 <filename>rpi.dtb</filename> module is now installed to
394 <filename class="directory">/boot/dtb/</filename> by
395 default for the Raspberry Pi system.</para>
397 <para revision="284096" arch="arm">A new module for creating
398 the <filename>dtb</filename> module for AM335x systems has
401 <para revision="284522" contrib="sponsor"
402 sponsor="&limelight;">A new kernel configuration option,
403 <literal>EM_MULTIQUEUE</literal>, has been added which enables
404 multi-queue support in the &man.em.4; driver.</para>
407 <para>Multi-queue support in the &man.em.4; driver is not
408 officially supported by &intel;.</para>
412 <sect2 xml:id="kernel-sysctl">
413 <title>System Tuning and Controls</title>
415 <para revision="276986">Throttling via <acronym>ACPI</acronym>
416 and <acronym>P4TCC</acronym> via &man.device.hints.5; have
417 been turned off by default.</para>
419 <para revision="278982" contrib="sponsor" sponsor="&ff;">The
420 &man.hwpmc.4; default and maximum callchain depths have been
421 increased. The default has been increased from 16 to 32, and
422 the maximum increased from 32 to 128.</para>
424 <para revision="281255" contrib="sponsor"
425 sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has
426 been changed to update timestamps for read/write operations
427 using seconds precision. A new &man.sysctl.8;,
428 <literal>vfs.devfs.dotimes</literal> has been added, which
429 when set to a non-zero value, enables default precision
430 timestamps for these operations.</para>
432 <para revision="280632">The <literal>kern.osrelease</literal>
433 and <literal>kern.osreldate</literal> are now configurable
434 &man.jail.8; parameters.</para>
436 <para revision="284665" contrib="sponsor" sponsor="&ff;">A new
437 &man.sysctl.8;, <literal>kern.racct.enable</literal>, has been
438 added, which when set to a non-zero value allows using
439 &man.rctl.8; with the <literal>GENERIC</literal> kernel.
440 A new kernel configuration option,
441 <literal>RACCT_DISABLED</literal> has also been added.</para>
443 <para revision="284665" contrib="sponsor" sponsor="&ff;">The
444 <literal>GENERIC</literal> kernel configuration now includes
445 <literal>RACCT</literal> and <literal>RCTL</literal> by
449 <para>To enable <literal>RACCT</literal> and
450 <literal>RCTL</literal> on a system using the
451 <literal>GENERIC</literal> kernel configuration, add
452 <literal>kern.racct.enable=1</literal> to
453 &man.loader.conf.5;, and reboot the system.</para>
458 <sect1 xml:id="drivers">
459 <title>Devices and Drivers</title>
461 <para>This section covers changes and additions to devices and
462 device drivers since &release.prev;.</para>
464 <sect2 xml:id="drivers-device">
465 <title>Device Drivers</title>
467 <para revision="282199">The <literal>drm</literal> code has
468 been updated to match &linux; version 3.8.13.</para>
470 <para revision="281708">The &man.psm.4; driver has been updated
471 to include improved support for newer Synaptics ®
472 touchpads and the ClickPad ® mouse on newer
473 Lenovo ™ laptops.</para>
476 <sect2 xml:id="drivers-storage">
477 <title>Storage Drivers</title>
479 <para revision="281957">The &man.hptnr.4; driver has been
480 updated to version 1.1.1.</para>
483 <sect2 xml:id="drivers-network">
484 <title>Network Drivers</title>
486 <para revision="274486">The &man.pfil.9; interface default hash
487 has been changed from <literal>Jenkins</literal> to
488 <literal>Murmur3</literal>, providing a 3-percent performance
489 increase in packets-per-second.</para>
491 <para revision="279157">The &man.ral.4; driver has been updated
492 to support the RT5390 and RT5392 chipsets.</para>
494 <para revision="284066" contrib="sponsor" sponsor="&yandex;">The
495 &man.gre.4; driver has been significantly overhauled, and has
496 been split into two separate modules, &man.gre.4; and
499 <para revision="284365">The &man.vxlan.4; driver has been added,
500 which creates a virtual Layer 2 (Ethernet) network overlaid in
501 a Layer 3 (IP/UDP) network. The &man.vxlan.4; driver is
502 analogous to &man.vlan.4;, but is designed to be better suited
503 for large, multiple-tenant datacenter environments.</para>
505 <para revision="284499">The &man.cdce.4; driver has been updated
506 to include support for the RTL8153 chipset.</para>
508 <para revision="284555" contrib="sponsor"
509 sponsor="&solarflare;">The &man.sfxge.4; driver has been
510 updated to support Solarflare Flareon Ultra 7000-series
515 <sect1 xml:id="hardware">
516 <title>Hardware Support</title>
518 <para>This section covers general hardware support for physical
519 machines, hypervisors, and virtualization environments, as well
520 as hardware changes and updates that do not otherwise fit in
521 other sections of this document.</para>
523 <sect2 xml:id="hardware-support">
524 <title>Hardware Support</title>
529 <sect2 xml:id="hardware-virtualization">
530 <title>Virtualization Support</title>
532 <para revision="275273">The &man.virtio.console.4; driver has
533 been added, which provides an interface to VirtIO console
534 devices through a &man.tty.4; device.</para>
536 <para revision="276403">The &man.bhyve.8; hypervisor has been
537 updated to support &amd; processors with
538 <acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware
541 <para revision="280370">The &man.bhyve.8; hypervisor has been
542 updated to support <literal>DSM TRIM</literal> commands for
543 virtual <acronym>AHCI</acronym> disks.</para>
545 <para revision="283280" contrib="sponsor" sponsor="&msostc;">The
546 Hyper-V™ drivers have been updated with several
551 <para>The &man.hv.vmbus.4; driver now has multi-channel
556 <para>The &man.hv.storvsc.4; driver now has scatter/gather
557 support, in addition to performance improvements.</para>
561 <para>The &man.hv.kvp.4; driver has received several bug
566 <para revision="285236" contrib="sponsor" sponsor="&msostc;">The
567 &man.hv.netvsc.4; driver has been updated to support checksum
568 offloading and <acronym>TSO</acronym>.</para>
571 <sect2 xml:id="hardware-arm">
572 <title>ARM Support</title>
574 <para revision="278079" arch="arm">Support to turn off the
575 BeagleBone Black system with the &man.shutdown.8;
576 <literal>-p</literal> flag or by invoking &man.poweroff.8; has
579 <para revision="278599" arch="arm">Support for the Exynos 5420
580 Octa system has been added.</para>
582 <para revision="278599" arch="arm">The <acronym>SMP</acronym>
583 option has been enabled for all Exynos 5 systems supported by
586 <para revision="278608">The <literal>bcm2835_cpufreq</literal>
587 driver has been added, which supports <acronym>CPU</acronym>
588 frequency and voltage control on the Raspberry Pi
589 <acronym>SOC</acronym>.</para>
591 <para revision="283500" arch="arm">Support for the Toradex
592 Apalis i.MX6 development board has been added.</para>
594 <para revision="283500" arch="arm">Audio transmission drivers
595 have been added for Digital Audio Multiplexer
596 (<acronym>AUDMUXM</acronym>), Smart Direct Memory Access
597 Controller (<acronym>SDMA</acronym>), and Syncronous Serial
598 Interface (<acronym>SSI</acronym>).</para>
602 <sect1 xml:id="storage">
603 <title>Storage</title>
605 <para>This section covers changes and additions to file systems
606 and other storage subsystems, both local and networked.</para>
608 <sect2 xml:id="storage-general">
609 <title>General Storage</title>
611 <para revision="279002" contrib="sponsor" sponsor="&ix;">The
612 &man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten,
613 replacing <acronym>iSCSI</acronym>-specific mapping mechanisms
614 with a new mechanism that works for any port.</para>
616 <para revision="279055" contrib="sponsor" sponsor="&ix;">The
617 &man.ctld.8; utility has been updated to allow controlling
618 non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para>
620 <para revision="283223" contrib="sponsor" sponsor="&ff;">The
621 &man.autofs.5; subsystem has been updated to include a new
622 &man.auto.master.5; map, <literal>-media</literal>, which
623 allows automatically mounting removable media, such as
624 <acronym>CD</acronym> drives or <acronym>USB</acronym> flash
627 <para revision="283242" contrib="sponsor" sponsor="&ff;">The
628 &man.autofs.5; subsystem has been updated to include a new
629 &man.auto.master.5; map, <literal>-noauto</literal>, which
630 handles &man.fstab.5; entries set to
631 <literal>noauto</literal>.</para>
634 <sect2 xml:id="storage-net">
635 <title>Networked Storage</title>
637 <para revision="274939" contrib="sponsor" sponsor="&ix;">The
638 &man.ctld.8; utility has been updated to include support for
639 registering <acronym>iSCSI</acronym> targets and portals on
640 <acronym>iSNS</acronym> servers. This provides a mechanism
641 which allows <acronym>iSCSI</acronym> initiators to find
642 targets and portals without requiring active
645 <para revision="275249" contrib="sponsor" sponsor="&ff;">Support
646 for the <literal>timeo</literal>, <literal>actimeo</literal>,
647 <literal>noac</literal>, and <literal>proto</literal> options
648 have been added to &man.mount.nfs.8;.</para>
651 <sect2 xml:id="storage-zfs">
654 <para revision="275490">A new tunable,
655 <literal>vfs.zfs.spa_slop_shift</literal>, has been added,
656 which controls how much space is reserved by default.</para>
658 <para revision="277583">The <literal>arc_meta_limit</literal>
659 statistics are now visible through the
660 <literal>kstat</literal> &man.sysctl.8;. As a result of this
661 change, the <literal>vfs.zfs.arc_meta_used</literal>
662 &man.sysctl.8; has been removed, and replaced with the
663 <literal>kstat.zfs.misc.arcstats.arc_meta_used</literal>
664 &man.sysctl.8;.</para>
667 <sect2 xml:id="storage-geom">
668 <title>&man.geom.4;</title>
670 <para revision="275891" contrib="sponsor" sponsor="&ix;">The
671 &man.ctl.4; subsystem has been updated, increasing the ports
672 limit from <literal>128</literal> to <literal>256</literal>,
673 and <acronym>LUN</acronym> limit from <literal>256</literal>
674 to <literal>1024</literal>.</para>
676 <para revision="282861">Support for the
677 <literal>apple-boot</literal>, <literal>apple-hfs</literal>,
678 and <literal>apple-ufs</literal> <acronym>MBR</acronym>
679 partitioning schemes have been added to &man.gpart.8;.</para>
683 <sect1 xml:id="boot">
684 <title>Boot Loader Changes</title>
686 <para>This section covers the boot loader, boot menu, and other
687 boot-related changes.</para>
689 <sect2 xml:id="boot-loader">
690 <title>Boot Loader Changes</title>
692 <para revision="281323">Support for <literal>bzipfs</literal>
693 has been added to the <acronym>EFI</acronym> loader.</para>
695 <para revision="281843">The boot loader has been updated to
696 support entering the <acronym>GELI</acronym> passphrase before
697 loading the kernel. To enable this behavior, add
698 <literal>geom_eli_passphrase_prompt="YES"</literal> to
699 &man.loader.conf.5;.</para>
701 <para revision="283262" contrib="sponsor" sponsor="&ff;">The
702 memory test run at boot time on &os;/&arch.amd64; platforms
703 has been disabled by default.</para>
705 <para revision="283972">A new &man.ttys.5; class,
706 <literal>3wire</literal>, has been added. This is similar to
707 the existing terminal classes, but does not have a defined
710 <para revision="284775" contrib="sponsor" sponsor="&ff;"
711 arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been
712 updated to enable <filename>ttyu1</filename>,
713 <filename>ttyu2</filename>, and <filename>ttyu3</filename> by
714 default, if the callin port is an active console port.</para>
717 <sect2 xml:id="boot-menu">
718 <title>Boot Menu Changes</title>
724 <sect1 xml:id="network">
725 <title>Networking</title>
727 <para>This section describes changes that affect networking in
730 <sect2 xml:id="network-protocols">
731 <title>Network Procols</title>
737 <sect1 xml:id="ports">
738 <title>Ports Collection and Package Infrastructure</title>
740 <para>This section covers changes to the &os; Ports
741 Collection, package infrastructure, and package maintenance and
742 installation tools.</para>
744 <sect2 xml:id="ports-infrastructure">
745 <title>Infrastructure Changes</title>
750 <sect2 xml:id="ports-packages ">
751 <title>Packaging Changes</title>
758 <title>Documentation</title>
760 <para>This section covers changes to the &os; Documentation
761 Project sources and toolchain.</para>
763 <sect2 xml:id="doc-sources">
764 <title>Documentation Source Changes</title>
769 <sect2 xml:id="doc-toolchain">
770 <title>Documentation Toolchain Changes</title>
776 <sect1 xml:id="releng">
777 <title>Release Engineering and Integration</title>
779 <para>This section convers changes that are specific to the
780 &os; Release Engineering processes.</para>
782 <sect2 xml:id="releng-changes">
783 <title>Integration Changes</title>
785 <para revision="283161" contrib="sponsor" sponsor="&ff;">The
786 Release Engineering build tools have been updated to support
787 building &os;/&arch.arm; images without external utilities for
788 supported boards where a corresponding
789 <literal>u-boot</literal> port exists in the Ports
792 <para revision="283548" contrib="sponsor" sponsor="&ff;">The
793 &os;/&arch.i386; memory stick installation images are now
794 created using the &man.mkimg.1; utility, matching the way
795 the &os;/&arch.amd64; images are created.</para>