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">
6 <!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent">
8 <!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent">
10 <!ENTITY security SYSTEM "../../share/xml/security.xml">
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: 288943 -->
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;. In general, changes
98 described here are unique to the &release.branch; branch unless
99 specifically marked as &merged; features.</para>
101 <para>Typical release note items document recent security
102 advisories issued after &release.prev;, new drivers or hardware
103 support, new commands or options, major bug fixes, or
104 contributed software upgrades. They may also list changes to
105 major ports/packages or release engineering practices. Clearly
106 the release notes cannot list every single change made to &os;
107 between releases; this document focuses primarily on security
108 advisories, user-visible changes, and major architectural
112 <sect1 xml:id="upgrade">
113 <title>Upgrading from Previous Releases of &os;</title>
115 <para arch="amd64,i386">Binary upgrades between RELEASE versions
116 (and snapshots of the various security branches) are supported
117 using the &man.freebsd-update.8; utility. The binary upgrade
118 procedure will update unmodified userland utilities, as well as
119 unmodified GENERIC kernels distributed as a part of an official
120 &os; release. The &man.freebsd-update.8; utility requires that
121 the host being upgraded have Internet connectivity.</para>
123 <para>Source-based upgrades (those based on recompiling the &os;
124 base system from source code) from previous versions are
125 supported, according to the instructions in
126 <filename>/usr/src/UPDATING</filename>.</para>
129 <para>Upgrading &os; should only be attempted after backing up
130 <emphasis>all</emphasis> data and configuration files.</para>
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>
165 <sect2 xml:id="userland-programs">
166 <title>Userland Application Changes</title>
168 <para revision="321092">The &man.ln.1; utility has been updated
169 to correct the behavior of the <literal>-F</literal> flag by
170 unlinking an existing directory before creating a symbolic
173 <para revision="321241">The &man.crontab.1; utility has been
174 updated to include a new flag, <literal>-f</literal>, which
175 forces &man.crontab.5; removal when <literal>-r</literal> is
176 used non-interactively.</para>
178 <para revision="321262">The &man.newsyslog.8; utility has been
179 updated to support <acronym>RFC</acronym>5424-compliant
180 messages when rotating system logs.</para>
182 <para revision="321287" contrib="sponsor" sponsor="&gandi;">The
183 &man.sesutil.8; utility has been updated to include
184 &man.libxo.3; support in output.</para>
186 <para revision="321927">The &man.diskinfo.8; utility has been
187 updated to include two new flags, <literal>-s</literal> which
188 displays the disk identity (usually the serial number), and
189 <literal>-p</literal> which displays the physical path to the
190 disk in a storage controller. The <literal>-s</literal> and
191 <literal>-p</literal> flags are mutually exclusive, and cannot
192 be used with any other flags.</para>
194 <para revision="321929">The &man.diskinfo.8; utility has also
195 been updated to include device model when the
196 <literal>-s</literal> flag is used.</para>
198 <para revision="322509">The &man.top.1; utility has been updated
199 to allow filtering on multiple user names when the
200 <literal>-U</literal> flag is used.</para>
202 <para revision="322525">The &man.bsdgrep.1; utility has been
203 updated to include a <literal>rgrep</literal> hard link to
204 &man.grep.1;, which when used is equivalent to
205 <literal>grep -r</literal>.</para>
207 <para revision="322555">The &man.bsdgrep.1; utility has been
208 updated to address various issues with pattern matching
211 <para revision="322910">The &man.umount.8; utility has been
212 updated to include a new flag, <literal>-N</literal>, which
213 is used to forcefully unmount an <acronym>NFS</acronym>
214 mounted filesystem.</para>
216 <para revision="322919">The &man.pw.8; utility has been updated
217 to properly handle empty secondary group lists as an argument
218 to the <literal>-G</literal> flag when using the
219 <literal>usermod</literal> subcommand.</para>
221 <para revision="324124" contrib="sponsor"
222 sponsor="&chelsio;">The &man.getconf.1; utility has been
223 updated to include a new flag, <literal>-a</literal>, which
224 prints the name and value of all system or path configuration
225 values to &man.stdout.4; or optionally a file as an argument
226 to <literal>-a</literal>.</para>
228 <para revision="324270">The &man.ps.1; utility has been updated
229 to reflect realtime and idle priorities in state flags.</para>
231 <para revision="324271">The &man.ps.1; utility has been updated
232 to display if a process is running with &man.capsicum.4;
233 capability mode, indicated by <literal>C</literal>.</para>
235 <para revision="324380">The &man.cpucontrol.8; utility has been
236 updated to include a new flag, <literal>-n</literal>, that
237 disables the default microcode update search path when
240 <para revision="324674">The &man.fsck.ffs.8; utility has been
241 updated to prevent a filesystem from being reported as
242 modified when only the timestamp in the superblock is
245 <para revision="325003" contrib="sponsor"
246 sponsor="&spectralogic;">The &man.diskinfo.8; utility has been
247 updated to display disk rotation rate and if
248 <acronym>TRIM</acronym>/<acronym>UNMAP</acronym> is supported
251 <para revision="325473">The &man.rsh.1; utility has been updated
252 to include a new flag, <literal>-N</literal>, which disables
253 shutdown of a socket sending path when used.</para>
255 <para revision="326413">The &man.pfctl.8; utility has been
256 updated to allow <literal>route-to</literal> to properly
257 handle network interfaces with multiple <acronym>IP</acronym>
260 <para revision="326778" contrib="sponsor"
261 sponsor="&spectralogic;">The &man.camcontrol.8; utility has
262 been updated to include <acronym>ZAC</acronym> (Zoned-device
263 <acronym>ATA</acronym> command set) information when the
264 <literal>identify</literal> subcommand is used.</para>
266 <para revision="326848">The &man.pw.8; utility has been updated
267 to correct handling of account expiration periods.</para>
269 <para revision="327592">The &man.mdmfs.8; utility has been
270 updated to support &man.tmpfs.5;.</para>
272 <para revision="327837">The &man.lint.1; utility is not longer
273 built by default. The <literal>WITH_LINT</literal>
274 &man.src.conf.5; option has been added to enable building and
275 installing the utility.</para>
277 <para revision="327871">The &man.cpucontrol.8; utility has been
278 updated to include a new flag, <literal>-e</literal>, which is
279 used to re-evaluate reported <acronym>CPU</acronym> features
280 after applying firmware updates.</para>
283 <para>The &man.cpucontrol.8; <literal>-e</literal> flag should
284 only be used after microcode update have been applied to all
285 <acronym>CPU</acronym>s in the system, otherwise system
286 instability may be experienced if processor features are not
287 identical across the system.</para>
290 <para revision="328138">The &man.indent.1; utility has been
291 updated to respect the <literal>SIMPLE_BACKUP_SUFFIX</literal>
292 environment variable if set.</para>
294 <para revision="328139">The &man.du.1; utility has been updated
295 to include the <literal>--si</literal> long option, which is
296 used to display output in "human-readable" output in
297 powers of 1000.</para>
299 <para revision="328140">The &man.df.1; utility has been updated
300 to include the <literal>--si</literal> long option, which is
301 an alias to <literal>-H</literal>.</para>
303 <para revision="328599">The &man.service.8; utility has been
304 updated to include a new flag, <literal>-j</literal>, which is
305 used to interact with services running within a &man.jail.8;.
306 The argument to <literal>-j</literal> can be either the name
307 or numeric jail <acronym>ID</acronym>.</para>
309 <para revision="328604" contrib="sponsor"
310 sponsor="&dellemc;">The &man.fsck.ffs.8; utility has been
311 updated to exit with a non-zero status when the filesystem is
314 <para revision="328668">The &man.nvmecontrol.8; utility has been
315 updated to print the full 128 bit value for
316 <acronym>SMART</acronym> data, instead of the hexadecimal
319 <para revision="328716">The &man.nvmecontrol.8; utility has been
320 updated to include control options for Western Digital®
321 HGST drives. The new options are <literal>cap-diag</literal>,
322 <literal>get-crash-dump</literal>,
323 <literal>drive-log</literal>, <literal>purge</literal>, and
324 <literal>purge-monitor</literal>.</para>
326 <para revision="330692" contrib="sponsor"
327 sponsor="&dellemc;">The &man.dhclient.8; utility has been
328 updated to be more compliant with <acronym>RFC</acronym>2131
329 by setting the source address field in the
330 <acronym>IP</acronym> header to <literal>0</literal> when
331 sending a <literal>DHCPREQUEST</literal> message to attempt to
332 obtain a previously-assigned <literal>IP</literal>
335 <para revision="330694" contrib="sponsor"
336 sponsor="&dellemc;">The &man.pw.8; utility has been updated to
337 allow the <literal>@</literal> and <literal>!</literal>
338 characters in the <acronym>GECOS</acronym> field.</para>
340 <para revision="330733" contrib="sponsor"
341 sponsor="&spectralogic;">The &man.zfsd.8; utility has been
342 updated to work with any type of <acronym>GEOM</acronym>
343 provider, including &man.md.4;, &man.geli.8;, &man.glabel.8;,
344 and &man.gstripe.8;.</para>
346 <para revision="331471">The &man.ps.1; utility has been updated
347 to include a <literal>jail</literal> keyword, which when used
348 will list the name of a &man.jail.8; instead of the numeric
351 <para revision="331586" contrib="sponsor"
352 sponsor="&mellanox;">The &man.mlx5tool.8; utility has been
353 added, which is used to manage Connect-X 4 and
354 Connect-X 5 devices supported by &man.mlx5io.4;.</para>
356 <para revision="331603" contrib="sponsor"
357 sponsor="&chelsio;">The &man.sysctl.8; utility has been
358 updated to support setting an array of values to nodes. Prior
359 to this change, &man.sysctl.8; could only set one value to
360 a node that may return multiple values when queried.</para>
362 <para revision="331729">The &man.ifconfig.8; utility has been
363 updated to include a <literal>random</literal> option, which
364 when used with the <literal>ether</literal> option, generates
365 a random <acronym>MAC</acronym> address for an
368 <para revision="332126" contrib="sponsor"
369 sponsor="&netflix;">The &man.efibootmgr.8; utility has been
370 added, which is used to manipulate the <acronym>EFI</acronym>
373 <para revision="332947">The &man.etdump.1; utility has been
374 added, which is used to view El Torito boot catalog
377 <para revision="322753">The &man.mount.8; utility has been
378 updated to allow fallback to mount media read-only if an
379 attempt to mount write-protected media read-write fails. This
380 behavior is disabled by default, and can be requested with the
381 new <literal>autoro</literal> option.</para>
383 <para revision="332460" contrib="sponsor" sponsor="&ff;">The
384 &man.makefs.8; utility has been updated to default the block
385 and fragment sizes to match that of &man.newfs.8;, 32K and 4K,
388 <para revision="332929" contrib="sponsor" sponsor="&ff;">The
389 &man.pwd.mkdb.8; utility has been updated to emit a notice
390 that legacy database support will be removed effective
391 &os; 12 when the <literal>-l</literal> flag is
395 <sect2 xml:id="userland-contrib">
396 <title>Contributed Software</title>
398 <para revision="321303">The &man.libarchive.3; library has been
399 updated to version 3.3.2.</para>
401 <para revision="322442"><application>Subversion</application>
402 has been updated to version 1.9.7.</para>
404 <para revision="328495">The &man.dtc.1; utility has been updated
405 to upstream commit 9ce35ff8.</para>
407 <para revision="328874">The &man.file.1; utility has been
408 updated to version 5.32.</para>
410 <para revision="323136"><application>OpenSSH</application> has
411 been updated to version 7.5p1.</para>
413 <para revision="324581">The &man.mandoc.1; utility has been
414 updated to version 1.14.3.</para>
416 <para revision="327234">The &man.tcpdump.1; utility has been
417 updated to version 4.9.2.</para>
419 <para revision="330106">The <acronym>NTP</acronym> utilities
420 have been updated to version 4.2.8p11.</para>
422 <para revision="330570">The &man.less.1; utility has been
423 updated to upstream version v530.</para>
425 <para revision="331246">The <application>bmake</application>
426 utility has been updated to upstream version 20180222.</para>
428 <para revision="331465">The <acronym>BSD</acronym>-licensed
429 &man.diff.1; utility has been imported from OpenBSD, which is
430 installed if <literal>WITHOUT_GNU_DIFF</literal> is set in
431 &man.src.conf.5;, and otherwise not installed by
434 <para revision="331638"><application>OpenSSL</application> has
435 been updated to version 1.0.2o.</para>
437 <para revision="331838">The <application>clang</application>,
438 <application>llvm</application>,
439 <application>lld</application>,
440 <application>lldb</application>, and
441 <literal>compiler-rt</literal> utilities as well as
442 <literal>libc++</literal> have been updated to upstream
443 version 6.0.0.</para>
445 <para revision="333312">Timezone data files have been updated to
446 version 2018e.</para>
448 <para revision="334458">The &man.libxo.3; library has been
449 updated to version 0.9.0.</para>
452 <sect2 xml:id="userland-installer">
453 <title>Installation and Configuration Tools</title>
455 <para revision="322254" contrib="sponsor" sponsor="&ff;"
456 arch="&arch.arm64;">The &man.bsdinstall.8; installer has been
457 updated to default to <acronym>UEFI</acronym>-only
461 <sect2 xml:id="userland-rc">
462 <title><filename class="directory">/etc/rc.d</filename>
468 <sect2 xml:id="userland-periodic">
469 <title><filename class="directory">/etc/periodic</filename>
475 <sect2 xml:id="userland-libraries">
476 <title>Runtime Libraries and API</title>
481 <sect2 xml:id="userland-abi">
482 <title>ABI Compatibility</title>
487 <sect2 xml:id="userland-debug">
488 <title>Userland Debugging</title>
494 <sect1 xml:id="kernel">
495 <title>Kernel</title>
497 <para>This section covers changes to kernel configurations, system
498 tuning, and system control parameters that are not otherwise
501 <sect2 xml:id="kernel-general">
502 <title>General Kernel Changes</title>
504 <para revision="321007">The &man.linux.4; <acronym>ABI</acronym>
505 compaibility layer has been updated to include support for
506 <literal>musl</literal> consumers.</para>
508 <para revision="322340">The &man.fdescfs.5; filesystem has been
509 updated to support &linux;-specific &man.fd.4;
510 <filename>/dev/fd</filename> and
511 <filename>/proc/self/fd</filename> behavior.</para>
513 <para revision="323447">Support for multiple realtime clocks has
517 <sect2 xml:id="kernel-bugfix">
518 <title>Kernel Bug Fixes</title>
520 <para revision="324175">The &man.ng.iface.4; driver has been
521 updated to prevent a possible system crash.</para>
523 <para revision="325730">The &man.ipfw.4; packet filter has been
524 updated to identify layer-2 and layer-3 packets, fixing
525 &man.dummynet.4; <acronym>AQM</acronym> packet marking.</para>
527 <para revision="333166">An issue causing boot issues with
528 &intel; Apollo Lake™ <acronym>CPU</acronym>s has been
532 <sect2 xml:id="kernel-config">
533 <title>Kernel Configuration</title>
535 <para revision="327920">The &man.watchdog.4; facility has been
536 updated to make <literal>SW_WATCHDOG</literal> dynamic,
537 enabling the software &man.watchdogd.8; option whenever
538 a hardware watchdog is not present.</para>
541 <sect2 xml:id="kernel-modules">
542 <title>Kernel Modules</title>
547 <sect2 xml:id="kernel-sysctl">
548 <title>System Tuning and Controls</title>
550 <para revision="326322" contrib="sponsor"
551 sponsor="&spectralogic;">The
552 <literal>p1003_1b.aio_listio_max</literal> &man.sysctl.8; has
553 been changed to a runtime-configurable tunable.</para>
557 <sect1 xml:id="drivers">
558 <title>Devices and Drivers</title>
560 <para>This section covers changes and additions to devices and
561 device drivers since &release.prev;.</para>
563 <sect2 xml:id="drivers-device">
564 <title>Device Drivers</title>
566 <para revision="331058">The &man.ng.pppoe.4; driver has been
567 updated to add support for user-supplied
568 <literal>Host-Uniq</literal> tags.</para>
570 <para revision="331586" contrib="sponsor"
571 sponsor="&mellanox;">The &man.mlx5io.4; driver has been added,
572 providing an interface to manage supported Connect-X 4
573 and Connect-X 5 network adapters.</para>
575 <para revision="330307" contrib="sponsor"
576 sponsor="&chelsio;">The &man.cxgbe.4; driver has been updated
577 to firmware version 1.16.63.0 for T4, T5, and T6 network
580 <para revision="332040" contrib="sponsor"
581 sponsor="&broadcom;">The &man.ocs.fc.4; driver has been added,
582 supporting Emulex 16/8G FC GEN 5
583 <acronym>HBA</acronym>s LPe15004 and LPe160XX, and
584 Emulex 32/16G FC GEN 6
585 <acronym>HBA</acronym>s LPe3100X and LPe3200X.</para>
588 <sect2 xml:id="drivers-storage">
589 <title>Storage Drivers</title>
594 <sect2 xml:id="drivers-network">
595 <title>Network Drivers</title>
601 <sect1 xml:id="hardware">
602 <title>Hardware Support</title>
604 <para>This section covers general hardware support for physical
605 machines, hypervisors, and virtualization environments, as well
606 as hardware changes and updates that do not otherwise fit in
607 other sections of this document.</para>
609 <sect2 xml:id="hardware-support">
610 <title>Hardware Support</title>
612 <para revision="331500">Support for the TAIO
613 <acronym>USB</acronym> multi-protocol adapter
614 (<acronym>TUMPA</acronym>) has been added.</para>
616 <para revision="331882" contrib="sponsor"
617 sponsor="&darpa_afrl;">The &man.cm.4; and &man.fpa.4; drivers
618 have been marked as deprecated, and will be removed in
621 <para revision="333171">The &man.ixgb.4; driver has been marked
622 as deprecated, and will be removed in &os; 12.</para>
624 <para revision="333367">The &man.nxge.4; driver has been marked
625 as deprecated, and will be removed in &os; 12.</para>
627 <para revision="333412" contrib="sponsor" sponsor="&ff;">The
628 &man.lmc.4; driver has been marked as deprecated, and will be
629 removed in &os; 12.</para>
631 <para revision="333738">The &man.vxge.4; driver has been marked
632 as deprecated, and will be removed in &os; 12.</para>
635 <sect2 xml:id="hardware-virtualization">
636 <title>Virtualization Support</title>
638 <para revision="321413">Support for &man.virtio.console.4; has
639 been added to &man.bhyve.4;.</para>
642 <sect2 xml:id="hardware-arm">
643 <title>ARM Support</title>
649 <sect1 xml:id="storage">
650 <title>Storage</title>
652 <para>This section covers changes and additions to file systems
653 and other storage subsystems, both local and networked.</para>
655 <sect2 xml:id="storage-general">
656 <title>General Storage</title>
661 <sect2 xml:id="storage-net">
662 <title>Networked Storage</title>
667 <sect2 xml:id="storage-zfs">
673 <sect2 xml:id="storage-geom">
674 <title><literal>geom(4)</literal></title>
676 <para revision="332519">The <literal>geom_aes</literal>,
677 <literal>geom_bsd</literal>, <literal>geom_mbr</literal>,
678 <literal>geom_sunlabel</literal> &man.geom.4; classes have
679 been marked as deprecated. They have been replaced by the
680 <literal>geom_part</literal> class in &os; 7, and removed
681 from the <literal>GENERIC</literal> kernel configurations in
682 &os; 8, and will be removed in &os; 12.</para>
686 <sect1 xml:id="boot">
687 <title>Boot Loader Changes</title>
689 <para>This section covers the boot loader, boot menu, and other
690 boot-related changes.</para>
692 <sect2 xml:id="boot-loader">
693 <title>Boot Loader Changes</title>
695 <para revision="321519">The boot code and &man.loader.8; have
696 been updated to check for unsupported <acronym>ZFS</acronym>
697 feature flags. If unsupported features are active, the pool
698 is not considered as a bootable pool, and a diagnostic message
699 is printed to the console.</para>
701 <para revision="329010">The &man.loader.8; has been updated to
702 improve quotation parsing, distinguishing between single- and
703 double-quotes, and check for terminating quotes.</para>
705 <para revision="329114">The length of <acronym>GELI</acronym>
706 passphrases entered when booting a system with encrypted disks
707 is now hidden by default. See the configuration options in
708 &man.geli.8; to restore the previous behavior.</para>
711 <sect2 xml:id="boot-menu">
712 <title>Boot Menu Changes</title>
718 <sect1 xml:id="network">
719 <title>Networking</title>
721 <para>This section describes changes that affect networking in
724 <sect2 xml:id="network-general">
725 <title>General Network Changes</title>
727 <para revision="329581" contrib="sponsor"
728 sponsor="&dellemc;">The &man.icmp6.4; protocol has been
729 updated to fix <acronym>ICMPv6</acronym> redirects.</para>
732 <sect2 xml:id="network-protocols">
733 <title>Network Protocols</title>
739 <sect1 xml:id="ports">
740 <title>Ports Collection and Package Infrastructure</title>
742 <para>This section covers changes to the &os; Ports
743 Collection, package infrastructure, and package maintenance and
744 installation tools.</para>
746 <sect2 xml:id="ports-infrastructure">
747 <title>Infrastructure Changes</title>
752 <sect2 xml:id="ports-packages ">
753 <title>Packaging Changes</title>
760 <title>Documentation</title>
762 <para>This section covers changes to the &os; Documentation
763 Project sources and toolchain.</para>
765 <sect2 xml:id="doc-sources">
766 <title>Documentation Source Changes</title>
771 <sect2 xml:id="doc-toolchain">
772 <title>Documentation Toolchain Changes</title>
778 <sect1 xml:id="releng">
779 <title>Release Engineering and Integration</title>
781 <para>This section convers changes that are specific to the
782 &os; Release Engineering processes.</para>
784 <sect2 xml:id="releng-changes">
785 <title>Integration Changes</title>
787 <para revision="326892">Amazon® EC2™ instances now
788 keep their clocks synchronized using the Amazon Time Sync
789 Service, the <acronym>NTP</acronym> service internal to the
790 EC2™ infrastructure.</para>
792 <para revision="333410" contrib="sponsor" sponsor="&ff;">The
793 &arch.i386; memory stick image installer have been changed
794 to use the <acronym>MBR</acronym> partitioning scheme, which
795 addresses a boot issue from a <acronym>GPT</acronym> partition
796 scheme in non-<acronym>UEFI</acronym> mode.</para>
798 <para revision="333006" contrib="sponsor" sponsor="&ix;">The
799 &os; installation <acronym>ISO</acronym> medium creation tools
800 have been updated to generate hybrid images for &arch.amd64;,
801 supporting both <acronym>BIOS</acronym> and
802 <acronym>EFI</acronym>. The <acronym>ISO</acronym> image can
803 now be written to a memory stick as well as being used as
804 a <acronym>CD</acronym> image.</para>
806 <para revision="334444" contrib="sponsor" sponsor="&ff;">The
807 &os;/&arch.amd64; memory stick installation images have been
808 changed to use the <acronym>MBR</acronym> partitioning scheme
809 instead of <acronym>GPT</acronym> in order to address issues
810 with some <acronym>BIOS</acronym>es that cannot boot from
811 <acronym>GPT</acronym> in non-<acronym>UEFI</acronym>