article.xml revision 285582
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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">
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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: stable/10/release/doc/en_US.ISO8859-1/relnotes/article.xml 285582 2015-07-14 21:46:00Z gjb $</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="282065" contrib="sponsor" sponsor="&ff;">The
351	<literal>PAE_TABLES</literal> kernel configuration option has
352	been added for &os;/&arch.i386;, which instructs &man.pmap.9;
353	to use <acronym>PAE</acronym> format for page tables.</para>
354
355      <para revision="283076" contrib="sponsor" sponsor="&intelcorp;"
356	arch="amd64,i386">The &man.nvd.4; and &man.nvme.4; drivers are
357	now included in the <filename>GENERIC</filename> kernel
358	configuration by default.</para>
359
360      <para revision="283505">Support for booting relocatable kernels
361	has been extended to non-<acronym>EFI</acronym>
362	systems.</para>
363
364      <para revision="283505" arch="arm">The &arch.arm; boot loader,
365	<filename>ubldr</filename>, is now relocatable.  In addition,
366	<filename>ubldr.bin</filename> is now created during build
367	time, which is a stripped binary with an entry point of
368	<literal>0</literal>, providing the ability to specify the
369	load address by running <literal>go
370	  &dollar;{loadaddr}</literal> in
371	<literal>u-boot</literal>.</para>
372      <para revision="284522" contrib="sponsor"
373	sponsor="&limelight;">A new kernel configuration option,
374	<literal>EM_MULTIQUEUE</literal>, has been added which enables
375	multi-queue support in the &man.em.4; driver.</para>
376
377      <note>
378	<para>Multi-queue support in the &man.em.4; driver is not
379	  officially supported by &intel;.</para>
380      </note>
381    </sect2>
382
383    <sect2 xml:id="kernel-sysctl">
384      <title>System Tuning and Controls</title>
385
386      <para revision="276986">Throttling via <acronym>ACPI</acronym>
387	and <acronym>P4TCC</acronym> via &man.device.hints.5; have
388	been turned off by default.</para>
389
390      <para revision="278982" contrib="sponsor" sponsor="&ff;">The
391	&man.hwpmc.4; default and maximum callchain depths have been
392	increased.  The default has been increased from 16 to 32, and
393	the maximum increased from 32 to 128.</para>
394
395      <para revision="281255" contrib="sponsor"
396	sponsor="&ix;, &ff;">The &man.devfs.5; device filesystem has
397	been changed to update timestamps for read/write operations
398	using seconds precision.  A new &man.sysctl.8;,
399	<literal>vfs.devfs.dotimes</literal> has been added, which
400	when set to a non-zero value, enables default precision
401	timestamps for these operations.</para>
402
403      <para revision="280632">The <literal>kern.osrelease</literal>
404	and <literal>kern.osreldate</literal> are now configurable
405	&man.jail.8; parameters.</para>
406
407      <para revision="284665" contrib="sponsor" sponsor="&ff;">A new
408	&man.sysctl.8;, <literal>kern.racct.enable</literal>, has been
409	added, which when set to a non-zero value allows using
410	&man.rctl.8; with the <literal>GENERIC</literal> kernel.
411	A new kernel configuration option,
412	<literal>RACCT_DISABLED</literal> has also been added.</para>
413
414      <para revision="284665" contrib="sponsor" sponsor="&ff;">The
415	<literal>GENERIC</literal> kernel configuration now includes
416	<literal>RACCT</literal> and <literal>RCTL</literal> by
417	default.</para>
418
419      <note>
420	<para>To enable <literal>RACCT</literal> and
421	  <literal>RCTL</literal> on a system using the
422	  <literal>GENERIC</literal> kernel configuration, add
423	  <literal>kern.racct.enable=1</literal> to
424	  &man.loader.conf.5;, and reboot the system.</para>
425      </note>
426    </sect2>
427  </sect1>
428
429  <sect1 xml:id="drivers">
430    <title>Devices and Drivers</title>
431
432    <para>This section covers changes and additions to devices and
433      device drivers since &release.prev;.</para>
434
435    <sect2 xml:id="drivers-device">
436      <title>Device Drivers</title>
437
438      <para revision="282199">The <literal>drm</literal> code has
439	been updated to match &linux; version 3.8.13.</para>
440
441      <para revision="281708">The &man.psm.4; driver has been updated
442	to include improved support for newer Synaptics&nbsp;&reg;
443	touchpads and the ClickPad&nbsp;&reg; mouse on newer
444	Lenovo&nbsp;&trade; laptops.</para>
445    </sect2>
446
447    <sect2 xml:id="drivers-storage">
448      <title>Storage Drivers</title>
449
450      <para revision="281957">The &man.hptnr.4; driver has been
451	updated to version 1.1.1.</para>
452    </sect2>
453
454    <sect2 xml:id="drivers-network">
455      <title>Network Drivers</title>
456
457      <para revision="274486">The &man.pfil.9; interface default hash
458	has been changed from <literal>Jenkins</literal> to
459	<literal>Murmur3</literal>, providing a 3-percent performance
460	increase in packets-per-second.</para>
461
462      <para revision="279157">The &man.ral.4; driver has been updated
463	to support the RT5390 and RT5392 chipsets.</para>
464
465      <para revision="284066" contrib="sponsor" sponsor="&yandex;">The
466	&man.gre.4; driver has been significantly overhauled, and has
467	been split into two separate modules, &man.gre.4; and
468	&man.me.4;.</para>
469
470      <para revision="284365">The &man.vxlan.4; driver has been added,
471	which creates a virtual Layer 2 (Ethernet) network overlaid in
472	a Layer 3 (IP/UDP) network.  The &man.vxlan.4; driver is
473	analogous to &man.vlan.4;, but is designed to be better suited
474	for large, multiple-tenant datacenter environments.</para>
475
476      <para revision="284499">The &man.cdce.4; driver has been updated
477	to include support for the RTL8153 chipset.</para>
478    </sect2>
479  </sect1>
480
481  <sect1 xml:id="hardware">
482    <title>Hardware Support</title>
483
484    <para>This section covers general hardware support for physical
485      machines, hypervisors, and virtualization environments, as well
486      as hardware changes and updates that do not otherwise fit in
487      other sections of this document.</para>
488
489    <sect2 xml:id="hardware-support">
490      <title>Hardware Support</title>
491
492      <para>&nbsp;</para>
493    </sect2>
494
495    <sect2 xml:id="hardware-virtualization">
496      <title>Virtualization Support</title>
497
498      <para revision="275273">The &man.virtio.console.4; driver has
499	been added, which provides an interface to VirtIO console
500	devices through a &man.tty.4; device.</para>
501
502      <para revision="276403">The &man.bhyve.8; hypervisor has been
503	updated to support &amd; processors with
504	<acronym>SVM</acronym> and <acronym>AMD-V</acronym> hardware
505	extensions.</para>
506
507      <para revision="280370">The &man.bhyve.8; hypervisor has been
508	updated to support <literal>DSM TRIM</literal> commands for
509	virtual <acronym>AHCI</acronym> disks.</para>
510
511      <para revision="283280" contrib="sponsor" sponsor="&msostc;">The
512	Hyper-V&trade; drivers have been updated with several
513	enhancements:</para>
514
515      <itemizedlist>
516	<listitem>
517	  <para>The &man.hv.vmbus.4; driver now has multi-channel
518	    support.</para>
519	</listitem>
520
521	<listitem>
522	  <para>The &man.hv.storvsc.4; driver now has scatter/gather
523	    support, in addition to performance improvements.</para>
524	</listitem>
525
526	<listitem>
527	  <para>The &man.hv.kvp.4; driver has received several bug
528	    fixes.</para>
529	</listitem>
530      </itemizedlist>
531
532      <para revision="285236" contrib="sponsor" sponsor="&msostc;">The
533	&man.hv.netvsc.4; driver has been updated to support checksum
534	offloading and <acronym>TSO</acronym>.</para>
535    </sect2>
536
537    <sect2 xml:id="hardware-arm">
538      <title>ARM Support</title>
539
540      <para revision="278079" arch="arm">Support to turn off the
541	BeagleBone Black system with the &man.shutdown.8;
542	<literal>-p</literal> flag or by invoking &man.poweroff.8; has
543	been added.</para>
544
545      <para revision="278599" arch="arm">Support for the Exynos 5420
546	Octa system has been added.</para>
547
548      <para revision="278599" arch="arm">The <acronym>SMP</acronym>
549	option has been enabled for all Exynos 5 systems supported by
550	&os;.</para>
551
552      <para revision="278608">The <literal>bcm2835_cpufreq</literal>
553	driver has been added, which supports <acronym>CPU</acronym>
554	frequency and voltage control on the Raspberry Pi
555	<acronym>SOC</acronym>.</para>
556
557      <para revision="283500" arch="arm">Support for the Toradex
558	Apalis i.MX6 development board has been added.</para>
559
560      <para revision="283500" arch="arm">Audio transmission drivers
561	have been added for Digital Audio Multiplexer
562	(<acronym>AUDMUXM</acronym>), Smart Direct Memory Access
563	Controller (<acronym>SDMA</acronym>), and Syncronous Serial
564	Interface (<acronym>SSI</acronym>).</para>
565    </sect2>
566  </sect1>
567
568  <sect1 xml:id="storage">
569    <title>Storage</title>
570
571    <para>This section covers changes and additions to file systems
572      and other storage subsystems, both local and networked.</para>
573
574    <sect2 xml:id="storage-general">
575      <title>General Storage</title>
576
577      <para revision="279002" contrib="sponsor" sponsor="&ix;">The
578	&man.ctl.4; <acronym>LUN</acronym> mapping has been rewritten,
579	replacing <acronym>iSCSI</acronym>-specific mapping mechanisms
580	with a new mechanism that works for any port.</para>
581
582      <para revision="279055" contrib="sponsor" sponsor="&ix;">The
583	&man.ctld.8; utility has been updated to allow controlling
584	non-<acronym>iSCSI</acronym> &man.ctl.4; ports.</para>
585
586      <para revision="283223" contrib="sponsor" sponsor="&ff;">The
587	&man.autofs.5; subsystem has been updated to include a new
588	&man.auto.master.5; map, <literal>-media</literal>, which
589	allows automatically mounting removable media, such as
590	<acronym>CD</acronym> drives or <acronym>USB</acronym> flash
591	drives.</para>
592
593      <para revision="283242" contrib="sponsor" sponsor="&ff;">The
594	&man.autofs.5; subsystem has been updated to include a new
595	&man.auto.master.5; map, <literal>-noauto</literal>, which
596	handles &man.fstab.5; entries set to
597	<literal>noauto</literal>.</para>
598    </sect2>
599
600    <sect2 xml:id="storage-net">
601      <title>Networked Storage</title>
602
603      <para revision="274939" contrib="sponsor" sponsor="&ix;">The
604	&man.ctld.8; utility has been updated to include support for
605	registering <acronym>iSCSI</acronym> targets and portals on
606	<acronym>iSNS</acronym> servers.  This provides a mechanism
607	which allows <acronym>iSCSI</acronym> initiators to find
608	targets and portals without requiring active
609	discovery.</para>
610
611      <para revision="275249" contrib="sponsor" sponsor="&ff;">Support
612	for the <literal>timeo</literal>, <literal>actimeo</literal>,
613	<literal>noac</literal>, and <literal>proto</literal> options
614	have been added to &man.mount.nfs.8;.</para>
615    </sect2>
616
617    <sect2 xml:id="storage-zfs">
618      <title>ZFS</title>
619
620      <para revision="275490">A new tunable,
621	<literal>vfs.zfs.spa_slop_shift</literal>, has been added,
622	which controls how much space is reserved by default.</para>
623
624      <para revision="277583">The <literal>arc_meta_limit</literal>
625	statistics are now visible through the
626	<literal>kstat</literal> &man.sysctl.8;.  As a result of this
627	change, the <literal>vfs.zfs.arc_meta_used</literal>
628	&man.sysctl.8; has been removed, and replaced with the
629	<literal>kstat.zfs.misc.arcstats.arc_meta_used</literal>
630	&man.sysctl.8;.</para>
631    </sect2>
632
633    <sect2 xml:id="storage-geom">
634      <title>&man.geom.4;</title>
635
636      <para revision="275891" contrib="sponsor" sponsor="&ix;">The
637	&man.ctl.4; subsystem has been updated, increasing the ports
638	limit from <literal>128</literal> to <literal>256</literal>,
639	and <acronym>LUN</acronym> limit from <literal>256</literal>
640	to <literal>1024</literal>.</para>
641
642      <para revision="282861">Support for the
643	<literal>apple-boot</literal>, <literal>apple-hfs</literal>,
644	and <literal>apple-ufs</literal> <acronym>MBR</acronym>
645	partitioning schemes have been added to &man.gpart.8;.</para>
646    </sect2>
647  </sect1>
648
649  <sect1 xml:id="boot">
650    <title>Boot Loader Changes</title>
651
652    <para>This section covers the boot loader, boot menu, and other
653      boot-related changes.</para>
654
655    <sect2 xml:id="boot-loader">
656      <title>Boot Loader Changes</title>
657
658      <para revision="281323">Support for <literal>bzipfs</literal>
659	has been added to the <acronym>EFI</acronym> loader.</para>
660
661      <para revision="281843">The boot loader has been updated to
662	support entering the <acronym>GELI</acronym> passphrase before
663	loading the kernel.  To enable this behavior, add
664	<literal>geom_eli_passphrase_prompt="YES"</literal> to
665	&man.loader.conf.5;.</para>
666
667      <para revision="283262" contrib="sponsor" sponsor="&ff;">The
668	memory test run at boot time on &os;/&arch.amd64; platforms
669	has been disabled by default.</para>
670
671      <para revision="283972">A new &man.ttys.5; class,
672	<literal>3wire</literal>, has been added.  This is similar to
673	the existing terminal classes, but does not have a defined
674	baudrate.</para>
675
676      <para revision="284775" contrib="sponsor" sponsor="&ff;"
677	arch="arm">The &man.ttys.5; file for &os;/&arch.arm; has been
678	updated to enable <filename>ttyu1</filename>,
679	<filename>ttyu2</filename>, and <filename>ttyu3</filename> by
680	default, if the callin port is an active console port.</para>
681    </sect2>
682
683    <sect2 xml:id="boot-menu">
684      <title>Boot Menu Changes</title>
685
686      <para>&nbsp;</para>
687    </sect2>
688  </sect1>
689
690  <sect1 xml:id="network">
691    <title>Networking</title>
692
693    <para>This section describes changes that affect networking in
694      &os;.</para>
695
696    <sect2 xml:id="network-protocols">
697      <title>Network Procols</title>
698
699      <para>&nbsp;</para>
700    </sect2>
701  </sect1>
702
703  <sect1 xml:id="ports">
704    <title>Ports Collection and Package Infrastructure</title>
705
706    <para>This section covers changes to the &os;&nbsp;Ports
707      Collection, package infrastructure, and package maintenance and
708      installation tools.</para>
709
710    <sect2 xml:id="ports-infrastructure">
711      <title>Infrastructure Changes</title>
712
713      <para>&nbsp;</para>
714    </sect2>
715
716    <sect2 xml:id="ports-packages ">
717      <title>Packaging Changes</title>
718
719      <para>&nbsp;</para>
720    </sect2>
721  </sect1>
722
723  <sect1 xml:id="doc">
724    <title>Documentation</title>
725
726    <para>This section covers changes to the &os;&nbsp;Documentation
727      Project sources and toolchain.</para>
728
729    <sect2 xml:id="doc-sources">
730      <title>Documentation Source Changes</title>
731
732      <para>&nbsp;</para>
733    </sect2>
734
735    <sect2 xml:id="doc-toolchain">
736      <title>Documentation Toolchain Changes</title>
737
738      <para>&nbsp;</para>
739    </sect2>
740  </sect1>
741
742  <sect1 xml:id="releng">
743    <title>Release Engineering and Integration</title>
744
745    <para>This section convers changes that are specific to the
746      &os;&nbsp;Release Engineering processes.</para>
747
748    <sect2 xml:id="releng-changes">
749      <title>Integration Changes</title>
750
751      <para revision="283161" contrib="sponsor" sponsor="&ff;">The
752	Release Engineering build tools have been updated to support
753	building &os;/&arch.arm; images without external utilities for
754	supported boards where a corresponding
755	<literal>u-boot</literal> port exists in the Ports
756	Collection.</para>
757
758      <para revision="283548" contrib="sponsor" sponsor="&ff;">The
759	&os;/&arch.i386; memory stick installation images are now
760	created using the &man.mkimg.1; utility, matching the way
761	the &os;/&arch.amd64; images are created.</para>
762    </sect2>
763  </sect1>
764</article>
765