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4 <!ENTITY % release PUBLIC "-//FreeBSD//ENTITIES Release Specification//EN" "release.ent">
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"
19 <title>&os; &release.current; Release Notes</title>
22 <orgname>The &os; Project</orgname>
25 <pubdate>$FreeBSD$</pubdate>
27 <!-- Last rev: 288943 -->
31 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
35 <legalnotice xml:id="trademarks" role="trademarks">
45 <para>The release notes for &os; &release.current; contain
46 a summary of the changes made to the &os; base system on the
47 &release.branch; development line. This document lists
48 applicable security advisories that were issued since the last
49 release, as well as significant changes to the &os; kernel and
50 userland. Some brief remarks on upgrading are also
55 <sect1 xml:id="intro">
56 <title>Introduction</title>
58 <para>This document contains the release notes for &os;
59 &release.current;. It describes recently added, changed, or
60 deleted features of &os;. It also provides some notes on
61 upgrading from previous versions of &os;.</para>
63 <para releasetype="current">The &release.type; distribution to
64 which these release notes apply represents the latest point
65 along the &release.branch; development branch since
66 &release.branch; was created. Information regarding pre-built,
67 binary &release.type; distributions along this branch can be
69 xlink:href="&release.url;">&release.url;</uri>.</para>
71 <para releasetype="snapshot">The &release.type; distribution to
72 which these release notes apply represents a point along the
73 &release.branch; development branch between &release.prev; and
74 the future &release.next;. Information regarding pre-built,
75 binary &release.type; distributions along this branch can be
77 xlink:href="&release.url;">&release.url;</uri>.</para>
79 <para releasetype="release">This distribution of &os;
80 &release.current; is a &release.type; distribution. It can be
81 found at <uri xlink:href="&release.url;">&release.url;</uri> or
82 any of its mirrors. More information on obtaining this (or
83 other) &release.type; distributions of &os; can be found in the
85 xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
86 &os;</quote> appendix</link> to the <link
87 xlink:href="&url.books.handbook;/">&os;
88 Handbook</link>.</para>
90 <para>All users are encouraged to consult the release errata
91 before installing &os;. The errata document is updated with
92 <quote>late-breaking</quote> information discovered late in the
93 release cycle or after the release. Typically, it contains
94 information on known bugs, security advisories, and corrections
95 to documentation. An up-to-date copy of the errata for &os;
96 &release.current; can be found on the &os; Web site.</para>
98 <para>This document describes the most user-visible new or changed
99 features in &os; since &release.prev;. In general, changes
100 described here are unique to the &release.branch; branch unless
101 specifically marked as &merged; features.</para>
103 <para>Typical release note items document recent security
104 advisories issued after &release.prev;, new drivers or hardware
105 support, new commands or options, major bug fixes, or
106 contributed software upgrades. They may also list changes to
107 major ports/packages or release engineering practices. Clearly
108 the release notes cannot list every single change made to &os;
109 between releases; this document focuses primarily on security
110 advisories, user-visible changes, and major architectural
114 <sect1 xml:id="upgrade">
115 <title>Upgrading from Previous Releases of &os;</title>
117 <para arch="amd64,i386">Binary upgrades between RELEASE versions
118 (and snapshots of the various security branches) are supported
119 using the &man.freebsd-update.8; utility. The binary upgrade
120 procedure will update unmodified userland utilities, as well as
121 unmodified GENERIC kernels distributed as a part of an official
122 &os; release. The &man.freebsd-update.8; utility requires that
123 the host being upgraded have Internet connectivity.</para>
125 <para>Source-based upgrades (those based on recompiling the &os;
126 base system from source code) from previous versions are
127 supported, according to the instructions in
128 <filename>/usr/src/UPDATING</filename>.</para>
131 <para>Upgrading &os; should only be attempted after backing up
132 <emphasis>all</emphasis> data and configuration files.</para>
136 <sect1 xml:id="security-errata">
137 <title>Security and Errata</title>
139 <para>This section lists the various Security Advisories and
140 Errata Notices since &release.prev;.</para>
142 <sect2 xml:id="security">
143 <title>Security Advisories</title>
148 <sect2 xml:id="errata">
149 <title>Errata Notices</title>
155 <sect1 xml:id="userland">
156 <title>Userland</title>
158 <para>This section covers changes and additions to userland
159 applications, contributed software, and system utilities.</para>
161 <sect2 xml:id="userland-config">
162 <title>Userland Configuration Changes</title>
167 <sect2 xml:id="userland-programs">
168 <title>Userland Application Changes</title>
170 <para revision="321092">The &man.ln.1; utility has been updated
171 to correct the behavior of the <literal>-F</literal> flag by
172 unlinking an existing directory before creating a symbolic
175 <para revision="321241">The &man.crontab.1; utility has been
176 updated to include a new flag, <literal>-f</literal>, which
177 forces &man.crontab.5; removal when <literal>-r</literal> is
178 used non-interactively.</para>
180 <para revision="321262">The &man.newsyslog.8; utility has been
181 updated to support <acronym>RFC</acronym>5424-compliant
182 messages when rotating system logs.</para>
184 <para revision="321287" contrib="sponsor" sponsor="&gandi;">The
185 &man.sesutil.8; utility has been updated to include
186 &man.libxo.3; support in output.</para>
188 <para revision="321927">The &man.diskinfo.8; utility has been
189 updated to include two new flags, <literal>-s</literal> which
190 displays the disk identity (usually the serial number), and
191 <literal>-p</literal> which displays the physical path to the
192 disk in a storage controller. The <literal>-s</literal> and
193 <literal>-p</literal> flags are mutually exclusive, and cannot
194 be used with any other flags.</para>
196 <para revision="321929">The &man.diskinfo.8; utility has also
197 been updated to include device model when the
198 <literal>-s</literal> flag is used.</para>
200 <para revision="322509">The &man.top.1; utility has been updated
201 to allow filtering on multiple user names when the
202 <literal>-U</literal> flag is used.</para>
204 <para revision="322525">The &man.bsdgrep.1; utility has been
205 updated to include a <literal>rgrep</literal> hard link to
206 &man.grep.1;, which when used is equivalent to
207 <literal>grep -r</literal>.</para>
209 <para revision="322555">The &man.bsdgrep.1; utility has been
210 updated to address various issues with pattern matching
213 <para revision="322910">The &man.umount.8; utility has been
214 updated to include a new flag, <literal>-N</literal>, which
215 is used to forcefully unmount an <acronym>NFS</acronym>
216 mounted filesystem.</para>
218 <para revision="322919">The &man.pw.8; utility has been updated
219 to properly handle empty secondary group lists as an argument
220 to the <literal>-G</literal> flag when using the
221 <literal>usermod</literal> subcommand.</para>
223 <para revision="324124" contrib="sponsor"
224 sponsor="&chelsio;">The &man.getconf.1; utility has been
225 updated to include a new flag, <literal>-a</literal>, which
226 prints the name and value of all system or path configuration
227 values to &man.stdout.4; or optionally a file as an argument
228 to <literal>-a</literal>.</para>
230 <para revision="324270">The &man.ps.1; utility has been updated
231 to reflect realtime and idle priorities in state flags.</para>
233 <para revision="324271">The &man.ps.1; utility has been updated
234 to display if a process is running with &man.capsicum.4;
235 capability mode, indicated by <literal>C</literal>.</para>
237 <para revision="324380">The &man.cpucontrol.8; utility has been
238 updated to include a new flag, <literal>-n</literal>, that
239 disables the default microcode update search path when
242 <para revision="324674">The &man.fsck.ffs.8; utility has been
243 updated to prevent a filesystem from being reported as
244 modified when only the timestamp in the superblock is
247 <para revision="325003" contrib="sponsor"
248 sponsor="&spectralogic;">The &man.diskinfo.8; utility has been
249 updated to display disk rotation rate and if
250 <acronym>TRIM</acronym>/<acronym>UNMAP</acronym> is supported
253 <para revision="325473">The &man.rsh.1; utility has been updated
254 to include a new flag, <literal>-N</literal>, which disables
255 shutdown of a socket sending path when used.</para>
257 <para revision="326413">The &man.pfctl.8; utility has been
258 updated to allow <literal>route-to</literal> to properly
259 handle network interfaces with multiple <acronym>IP</acronym>
262 <para revision="326778" contrib="sponsor"
263 sponsor="&spectralogic;">The &man.camcontrol.8; utility has
264 been updated to include <acronym>ZAC</acronym> (Zoned-device
265 <acronym>ATA</acronym> command set) information when the
266 <literal>identify</literal> subcommand is used.</para>
268 <para revision="326848">The &man.pw.8; utility has been updated
269 to correct handling of account expiration periods.</para>
271 <para revision="327592">The &man.mdmfs.8; utility has been
272 updated to support &man.tmpfs.5;.</para>
274 <para revision="327837">The &man.lint.1; utility is not longer
275 built by default. The <literal>WITH_LINT</literal>
276 &man.src.conf.5; option has been added to enable building and
277 installing the utility.</para>
279 <para revision="327871">The &man.cpucontrol.8; utility has been
280 updated to include a new flag, <literal>-e</literal>, which is
281 used to re-evaluate reported <acronym>CPU</acronym> features
282 after applying firmware updates.</para>
285 <para>The &man.cpucontrol.8; <literal>-e</literal> flag should
286 only be used after microcode update have been applied to all
287 <acronym>CPU</acronym>s in the system, otherwise system
288 instability may be experienced if processor features are not
289 identical across the system.</para>
292 <para revision="328138">The &man.indent.1; utility has been
293 updated to respect the <literal>SIMPLE_BACKUP_SUFFIX</literal>
294 environment variable if set.</para>
296 <para revision="328139">The &man.du.1; utility has been updated
297 to include the <literal>--si</literal> long option, which is
298 used to display output in "human-readable" output in
299 powers of 1000.</para>
301 <para revision="328140">The &man.df.1; utility has been updated
302 to include the <literal>--si</literal> long option, which is
303 an alias to <literal>-H</literal>.</para>
305 <para revision="328599">The &man.service.8; utility has been
306 updated to include a new flag, <literal>-j</literal>, which is
307 used to interact with services running within a &man.jail.8;.
308 The argument to <literal>-j</literal> can be either the name
309 or numeric jail <acronym>ID</acronym>.</para>
311 <para revision="328604" contrib="sponsor"
312 sponsor="&dellemc;">The &man.fsck.ffs.8; utility has been
313 updated to exit with a non-zero status when the filesystem is
316 <para revision="328668">The &man.nvmecontrol.8; utility has been
317 updated to print the full 128 bit value for
318 <acronym>SMART</acronym> data, instead of the hexadecimal
321 <para revision="328716">The &man.nvmecontrol.8; utility has been
322 updated to include control options for Western Digital®
323 HGST drives. The new options are <literal>cap-diag</literal>,
324 <literal>get-crash-dump</literal>,
325 <literal>drive-log</literal>, <literal>purge</literal>, and
326 <literal>purge-monitor</literal>.</para>
328 <para revision="330692" contrib="sponsor"
329 sponsor="&dellemc;">The &man.dhclient.8; utility has been
330 updated to be more compliant with <acronym>RFC</acronym>2131
331 by setting the source address field in the
332 <acronym>IP</acronym> header to <literal>0</literal> when
333 sending a <literal>DHCPREQUEST</literal> message to attempt to
334 obtain a previously-assigned <literal>IP</literal>
337 <para revision="330694" contrib="sponsor"
338 sponsor="&dellemc;">The &man.pw.8; utility has been updated to
339 allow the <literal>@</literal> and <literal>!</literal>
340 characters in the <acronym>GECOS</acronym> field.</para>
342 <para revision="330733" contrib="sponsor"
343 sponsor="&spectralogic;">The &man.zfsd.8; utility has been
344 updated to work with any type of <acronym>GEOM</acronym>
345 provider, including &man.md.4;, &man.geli.8;, &man.glabel.8;,
346 and &man.gstripe.8;.</para>
348 <para revision="331471">The &man.ps.1; utility has been updated
349 to include a <literal>jail</literal> keyword, which when used
350 will list the name of a &man.jail.8; instead of the numeric
353 <para revision="331586" contrib="sponsor"
354 sponsor="&mellanox;">The &man.mlx5tool.8; utility has been
355 added, which is used to manage Connect-X 4 and
356 Connect-X 5 devices supported by &man.mlx5io.4;.</para>
358 <para revision="331603" contrib="sponsor"
359 sponsor="&chelsio;">The &man.sysctl.8; utility has been
360 updated to support setting an array of values to nodes. Prior
361 to this change, &man.sysctl.8; could only set one value to
362 a node that may return multiple values when queried.</para>
364 <para revision="331729">The &man.ifconfig.8; utility has been
365 updated to include a <literal>random</literal> option, which
366 when used with the <literal>ether</literal> option, generates
367 a random <acronym>MAC</acronym> address for an
370 <para revision="332126" contrib="sponsor"
371 sponsor="&netflix;">The &man.efibootmgr.8; utility has been
372 added, which is used to manipulate the <acronym>EFI</acronym>
375 <para revision="332947">The &man.etdump.1; utility has been
376 added, which is used to view El Torito boot catalog
379 <para revision="322753">The &man.mount.8; utility has been
380 updated to allow fallback to mount media read-only if an
381 attempt to mount write-protected media read-write fails. This
382 behavior is disabled by default, and can be requested with the
383 new <literal>autoro</literal> option.</para>
385 <para revision="332460" contrib="sponsor" sponsor="&ff;">The
386 &man.makefs.8; utility has been updated to default the block
387 and fragment sizes to match that of &man.newfs.8;, 32K and 4K,
390 <para revision="332929" contrib="sponsor" sponsor="&ff;">The
391 &man.pwd.mkdb.8; utility has been updated to emit a notice
392 that legacy database support will be removed effective
393 &os; 12 when the <literal>-l</literal> flag is
397 <sect2 xml:id="userland-contrib">
398 <title>Contributed Software</title>
400 <para revision="321303">The &man.libarchive.3; library has been
401 updated to version 3.3.2.</para>
403 <para revision="322442"><application>Subversion</application>
404 has been updated to version 1.9.7.</para>
406 <para revision="328495">The &man.dtc.1; utility has been updated
407 to upstream commit 9ce35ff8.</para>
409 <para revision="328874">The &man.file.1; utility has been
410 updated to version 5.32.</para>
412 <para revision="323136"><application>OpenSSH</application> has
413 been updated to version 7.5p1.</para>
415 <para revision="324581">The &man.mandoc.1; utility has been
416 updated to version 1.14.3.</para>
418 <para revision="327234">The &man.tcpdump.1; utility has been
419 updated to version 4.9.2.</para>
421 <para revision="330106">The <acronym>NTP</acronym> utilities
422 have been updated to version 4.2.8p11.</para>
424 <para revision="330570">The &man.less.1; utility has been
425 updated to upstream version v530.</para>
427 <para revision="331246">The <application>bmake</application>
428 utility has been updated to upstream version 20180222.</para>
430 <para revision="331465">The <acronym>BSD</acronym>-licensed
431 &man.diff.1; utility has been imported from OpenBSD, which is
432 installed if <literal>WITHOUT_GNU_DIFF</literal> is set in
433 &man.src.conf.5;, and otherwise not installed by
436 <para revision="331638"><application>OpenSSL</application> has
437 been updated to version 1.0.2o.</para>
439 <para revision="331838">The <application>clang</application>,
440 <application>llvm</application>,
441 <application>lld</application>,
442 <application>lldb</application>, and
443 <literal>compiler-rt</literal> utilities as well as
444 <literal>libc++</literal> have been updated to upstream
445 version 6.0.0.</para>
447 <para revision="333312">Timezone data files have been updated to
448 version 2018e.</para>
450 <para revision="334458">The &man.libxo.3; library has been
451 updated to version 0.9.0.</para>
454 <sect2 xml:id="userland-installer">
455 <title>Installation and Configuration Tools</title>
457 <para revision="322254" contrib="sponsor" sponsor="&ff;"
458 arch="&arch.arm64;">The &man.bsdinstall.8; installer has been
459 updated to default to <acronym>UEFI</acronym>-only
463 <sect2 xml:id="userland-rc">
464 <title><filename class="directory">/etc/rc.d</filename>
470 <sect2 xml:id="userland-periodic">
471 <title><filename class="directory">/etc/periodic</filename>
477 <sect2 xml:id="userland-libraries">
478 <title>Runtime Libraries and API</title>
483 <sect2 xml:id="userland-abi">
484 <title>ABI Compatibility</title>
489 <sect2 xml:id="userland-debug">
490 <title>Userland Debugging</title>
496 <sect1 xml:id="kernel">
497 <title>Kernel</title>
499 <para>This section covers changes to kernel configurations, system
500 tuning, and system control parameters that are not otherwise
503 <sect2 xml:id="kernel-general">
504 <title>General Kernel Changes</title>
506 <para revision="321007">The &man.linux.4; <acronym>ABI</acronym>
507 compaibility layer has been updated to include support for
508 <literal>musl</literal> consumers.</para>
510 <para revision="322340">The &man.fdescfs.5; filesystem has been
511 updated to support &linux;-specific &man.fd.4;
512 <filename>/dev/fd</filename> and
513 <filename>/proc/self/fd</filename> behavior.</para>
515 <para revision="323447">Support for multiple realtime clocks has
519 <sect2 xml:id="kernel-bugfix">
520 <title>Kernel Bug Fixes</title>
522 <para revision="324175">The &man.ng.iface.4; driver has been
523 updated to prevent a possible system crash.</para>
525 <para revision="325730">The &man.ipfw.4; packet filter has been
526 updated to identify layer-2 and layer-3 packets, fixing
527 &man.dummynet.4; <acronym>AQM</acronym> packet marking.</para>
529 <para revision="333166">An issue causing boot issues with
530 &intel; Apollo Lake™ <acronym>CPU</acronym>s has been
534 <sect2 xml:id="kernel-config">
535 <title>Kernel Configuration</title>
537 <para revision="327920">The &man.watchdog.4; facility has been
538 updated to make <literal>SW_WATCHDOG</literal> dynamic,
539 enabling the software &man.watchdogd.8; option whenever
540 a hardware watchdog is not present.</para>
543 <sect2 xml:id="kernel-modules">
544 <title>Kernel Modules</title>
549 <sect2 xml:id="kernel-sysctl">
550 <title>System Tuning and Controls</title>
552 <para revision="326322" contrib="sponsor"
553 sponsor="&spectralogic;">The
554 <literal>p1003_1b.aio_listio_max</literal> &man.sysctl.8; has
555 been changed to a runtime-configurable tunable.</para>
559 <sect1 xml:id="drivers">
560 <title>Devices and Drivers</title>
562 <para>This section covers changes and additions to devices and
563 device drivers since &release.prev;.</para>
565 <sect2 xml:id="drivers-device">
566 <title>Device Drivers</title>
568 <para revision="331058">The &man.ng.pppoe.4; driver has been
569 updated to add support for user-supplied
570 <literal>Host-Uniq</literal> tags.</para>
572 <para revision="331586" contrib="sponsor"
573 sponsor="&mellanox;">The &man.mlx5io.4; driver has been added,
574 providing an interface to manage supported Connect-X 4
575 and Connect-X 5 network adapters.</para>
577 <para revision="330307" contrib="sponsor"
578 sponsor="&chelsio;">The &man.cxgbe.4; driver has been updated
579 to firmware version 1.16.63.0 for T4, T5, and T6 network
582 <para revision="332040" contrib="sponsor"
583 sponsor="&broadcom;">The &man.ocs.fc.4; driver has been added,
584 supporting Emulex 16/8G FC GEN 5
585 <acronym>HBA</acronym>s LPe15004 and LPe160XX, and
586 Emulex 32/16G FC GEN 6
587 <acronym>HBA</acronym>s LPe3100X and LPe3200X.</para>
589 <para revision="333343" contrib="sponsor"
590 sponsor="&intelcorp;">The &man.ixl.4; driver has been updated
591 to version 1.9.9-k.</para>
594 <sect2 xml:id="drivers-storage">
595 <title>Storage Drivers</title>
600 <sect2 xml:id="drivers-network">
601 <title>Network Drivers</title>
607 <sect1 xml:id="hardware">
608 <title>Hardware Support</title>
610 <para>This section covers general hardware support for physical
611 machines, hypervisors, and virtualization environments, as well
612 as hardware changes and updates that do not otherwise fit in
613 other sections of this document.</para>
615 <sect2 xml:id="hardware-support">
616 <title>Hardware Support</title>
618 <para revision="331500">Support for the TAIO
619 <acronym>USB</acronym> multi-protocol adapter
620 (<acronym>TUMPA</acronym>) has been added.</para>
622 <para revision="331882" contrib="sponsor"
623 sponsor="&darpa_afrl;">The &man.cm.4; and &man.fpa.4; drivers
624 have been marked as deprecated, and will be removed in
627 <para revision="333171">The &man.ixgb.4; driver has been marked
628 as deprecated, and will be removed in &os; 12.</para>
630 <para revision="333367">The &man.nxge.4; driver has been marked
631 as deprecated, and will be removed in &os; 12.</para>
633 <para revision="333412" contrib="sponsor" sponsor="&ff;">The
634 &man.lmc.4; driver has been marked as deprecated, and will be
635 removed in &os; 12.</para>
637 <para revision="333738">The &man.vxge.4; driver has been marked
638 as deprecated, and will be removed in &os; 12.</para>
640 <para revision="333417">The &man.smartpqi.4; driver has been
641 added, providing support for Microsemi®
642 <acronym>SCSI</acronym> controllers.</para>
645 <sect2 xml:id="hardware-virtualization">
646 <title>Virtualization Support</title>
648 <para revision="321413">Support for &man.virtio.console.4; has
649 been added to &man.bhyve.4;.</para>
652 <sect2 xml:id="hardware-arm">
653 <title>ARM Support</title>
659 <sect1 xml:id="storage">
660 <title>Storage</title>
662 <para>This section covers changes and additions to file systems
663 and other storage subsystems, both local and networked.</para>
665 <sect2 xml:id="storage-general">
666 <title>General Storage</title>
671 <sect2 xml:id="storage-net">
672 <title>Networked Storage</title>
677 <sect2 xml:id="storage-zfs">
683 <sect2 xml:id="storage-geom">
684 <title><literal>geom(4)</literal></title>
686 <para revision="332519">The <literal>geom_aes</literal>,
687 <literal>geom_bsd</literal>, <literal>geom_mbr</literal>,
688 <literal>geom_sunlabel</literal> &man.geom.4; classes have
689 been marked as deprecated. They have been replaced by the
690 <literal>geom_part</literal> class in &os; 7, and removed
691 from the <literal>GENERIC</literal> kernel configurations in
692 &os; 8, and will be removed in &os; 12.</para>
696 <sect1 xml:id="boot">
697 <title>Boot Loader Changes</title>
699 <para>This section covers the boot loader, boot menu, and other
700 boot-related changes.</para>
702 <sect2 xml:id="boot-loader">
703 <title>Boot Loader Changes</title>
705 <para revision="321519">The boot code and &man.loader.8; have
706 been updated to check for unsupported <acronym>ZFS</acronym>
707 feature flags. If unsupported features are active, the pool
708 is not considered as a bootable pool, and a diagnostic message
709 is printed to the console.</para>
711 <para revision="329010">The &man.loader.8; has been updated to
712 improve quotation parsing, distinguishing between single- and
713 double-quotes, and check for terminating quotes.</para>
715 <para revision="329114">The length of <acronym>GELI</acronym>
716 passphrases entered when booting a system with encrypted disks
717 is now hidden by default. See the configuration options in
718 &man.geli.8; to restore the previous behavior.</para>
721 <sect2 xml:id="boot-menu">
722 <title>Boot Menu Changes</title>
728 <sect1 xml:id="network">
729 <title>Networking</title>
731 <para>This section describes changes that affect networking in
734 <sect2 xml:id="network-general">
735 <title>General Network Changes</title>
737 <para revision="329581" contrib="sponsor"
738 sponsor="&dellemc;">The &man.icmp6.4; protocol has been
739 updated to fix <acronym>ICMPv6</acronym> redirects.</para>
742 <sect2 xml:id="network-protocols">
743 <title>Network Protocols</title>
749 <sect1 xml:id="ports">
750 <title>Ports Collection and Package Infrastructure</title>
752 <para>This section covers changes to the &os; Ports
753 Collection, package infrastructure, and package maintenance and
754 installation tools.</para>
756 <sect2 xml:id="ports-infrastructure">
757 <title>Infrastructure Changes</title>
762 <sect2 xml:id="ports-packages ">
763 <title>Packaging Changes</title>
770 <title>Documentation</title>
772 <para>This section covers changes to the &os; Documentation
773 Project sources and toolchain.</para>
775 <sect2 xml:id="doc-sources">
776 <title>Documentation Source Changes</title>
781 <sect2 xml:id="doc-toolchain">
782 <title>Documentation Toolchain Changes</title>
788 <sect1 xml:id="releng">
789 <title>Release Engineering and Integration</title>
791 <para>This section convers changes that are specific to the
792 &os; Release Engineering processes.</para>
794 <sect2 xml:id="releng-changes">
795 <title>Integration Changes</title>
797 <para revision="326892">Amazon® EC2™ instances now
798 keep their clocks synchronized using the Amazon Time Sync
799 Service, the <acronym>NTP</acronym> service internal to the
800 EC2™ infrastructure.</para>
802 <para revision="333410" contrib="sponsor" sponsor="&ff;">The
803 &arch.i386; memory stick image installers have been changed
804 to use the <acronym>MBR</acronym> partitioning scheme, which
805 addresses a boot issue from a <acronym>GPT</acronym> partition
806 scheme in non-<acronym>UEFI</acronym> mode.</para>
808 <para revision="334444" contrib="sponsor" sponsor="&ff;">The
809 &arch.amd64; memory stick image installers have been changed
810 to use the <acronym>MBR</acronym> partitioning scheme, which
811 addresses a boot issue from a <acronym>GPT</acronym> partition
812 scheme in non-<acronym>UEFI</acronym> mode.</para>