release/doc/en_US.ISO8859-1/relnotes/article.xml

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  18 <article xmlns="http://docbook.org/ns/docbook"
  19   xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
  20   xml:id="top">
  21
  22   <info>
  23     <title>&os; &release.current; Release Notes</title>
  24
  25     <author>
  26       <orgname>The &os; Project</orgname>
  27     </author>
  28
  29     <pubdate>$FreeBSD$</pubdate>
  30
  31     <!-- First rev: 285831 -->
  32     <!-- Last rev: 284813 -->
  33
  34     <copyright>
  35       <year>2016</year>
  36       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
  37         Project</holder>
  38     </copyright>
  39
  40     <legalnotice xml:id="trademarks" role="trademarks">
  41       &tm-attrib.freebsd;
  42       &tm-attrib.ibm;
  43       &tm-attrib.ieee;
  44       &tm-attrib.intel;
  45       &tm-attrib.sparc;
  46       &tm-attrib.general;
  47     </legalnotice>
  48
  49     <abstract>
  50       <para>The release notes for &os; &release.current; contain
  51         a summary of the changes made to the &os; base system on the
  52         &release.branch; development line.  This document lists
  53         applicable security advisories that were issued since the last
  54         release, as well as significant changes to the &os; kernel and
  55         userland.  Some brief remarks on upgrading are also
  56         presented.</para>
  57     </abstract>
  58   </info>
  59
  60   <sect1 xml:id="intro">
  61     <title>Introduction</title>
  62
  63     <para>This document contains the release notes for &os;
  64       &release.current;.  It describes recently added, changed, or
  65       deleted features of &os;.  It also provides some notes on
  66       upgrading from previous versions of &os;.</para>
  67
  68     <para releasetype="current">The &release.type; distribution to
  69       which these release notes apply represents the latest point
  70       along the &release.branch; development branch since
  71       &release.branch; was created.  Information regarding pre-built,
  72       binary &release.type; distributions along this branch can be
  73       found at <uri
  74         xlink:href="&release.url;">&release.url;</uri>.</para>
  75
  76     <para releasetype="snapshot">The &release.type; distribution to
  77       which these release notes apply represents a point along the
  78       &release.branch; development branch between &release.prev; and
  79       the future &release.next;.  Information regarding pre-built,
  80       binary &release.type; distributions along this branch can be
  81       found at <uri
  82         xlink:href="&release.url;">&release.url;</uri>.</para>
  83
  84     <para releasetype="release">This distribution of &os;
  85       &release.current; is a &release.type; distribution.  It can be
  86       found at <uri xlink:href="&release.url;">&release.url;</uri> or
  87       any of its mirrors.  More information on obtaining this (or
  88       other) &release.type; distributions of &os; can be found in the
  89       <link
  90         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
  91           &os;</quote> appendix</link> to the <link
  92         xlink:href="&url.books.handbook;/">&os;
  93         Handbook</link>.</para>
  94
  95     <para>All users are encouraged to consult the release errata
  96       before installing &os;.  The errata document is updated with
  97       <quote>late-breaking</quote> information discovered late in the
  98       release cycle or after the release.  Typically, it contains
  99       information on known bugs, security advisories, and corrections
 100       to documentation.  An up-to-date copy of the errata for &os;
 101       &release.current; can be found on the &os; Web site.</para>
 102
 103     <para>This document describes the most user-visible new or changed
 104       features in &os; since &release.prev;.</para>
 105
 106     <para>Typical release note items document recent security
 107       advisories issued after &release.prev;, new drivers or hardware
 108       support, new commands or options, major bug fixes, or
 109       contributed software upgrades.  They may also list changes to
 110       major ports/packages or release engineering practices.  Clearly
 111       the release notes cannot list every single change made to &os;
 112       between releases; this document focuses primarily on security
 113       advisories, user-visible changes, and major architectural
 114       improvements.</para>
 115   </sect1>
 116
 117   <sect1 xml:id="upgrade">
 118     <title>Upgrading from Previous Releases of &os;</title>
 119
 120     <para arch="amd64,i386">Binary upgrades between RELEASE versions
 121       (and snapshots of the various security branches) are supported
 122       using the &man.freebsd-update.8; utility.  The binary upgrade
 123       procedure will update unmodified userland utilities, as well as
 124       unmodified <filename>GENERIC</filename> kernel distributed as
 125       a part of an official &os; release.  The &man.freebsd-update.8;
 126       utility requires that the host being upgraded have Internet
 127       connectivity.</para>
 128
 129     <para>Source-based upgrades (those based on recompiling the &os;
 130       base system from source code) from previous versions are
 131       supported, according to the instructions in
 132       <filename>/usr/src/UPDATING</filename>.</para>
 133
 134     <important>
 135       <para>Upgrading &os; should only be attempted after
 136         backing up <emphasis>all</emphasis> data and configuration
 137         files.</para>
 138     </important>
 139   </sect1>
 140
 141   <sect1 xml:id="security-errata">
 142     <title>Security and Errata</title>
 143
 144     <para>This section lists the various Security Advisories and
 145       Errata Notices since &release.prev;.</para>
 146
 147     <sect2 xml:id="security">
 148       <title>Security Advisories</title>
 149
 150       &security;
 151     </sect2>
 152
 153     <sect2 xml:id="errata">
 154       <title>Errata Notices</title>
 155
 156       &errata;
 157     </sect2>
 158   </sect1>
 159
 160   <sect1 xml:id="userland">
 161     <title>Userland</title>
 162
 163     <para>This section covers changes and additions to userland
 164       applications, contributed software, and system utilities.</para>
 165
 166     <sect2 xml:id="userland-config">
 167       <title>Userland Configuration Changes</title>
 168
 169       <para>&nbsp;</para>
 170     </sect2>
 171
 172     <sect2 xml:id="userland-programs">
 173       <title>Userland Application Changes</title>
 174
 175       <para revision="288202" contrib="sponsor" sponsor="&ff;">The
 176         &man.ar.1; utility now enables deterministic mode
 177         (<literal>-D</literal>) by default.  This behavior can be
 178         disabled by specifying the <literal>-U</literal> flag.</para>
 179
 180       <para revision="291774">The &man.cp.1; utility has been updated
 181         to include a new flag, <literal>-s</literal>, which creates
 182         a symbolic link to the specified source.</para>
 183
 184       <para revision="285929">A bug in &man.ctladm.8; utility which could
 185         return a non-zero value even if it succeeds has been fixed.</para>
 186
 187       <para revision="286810" contrib="sponsor"
 188         sponsor="&yandex;">The &man.ifconfig.8; utility now reports
 189         SFP/SFP+ data when a <option>-v</option> flag is specified and
 190         the NIC driver provides them.</para>
 191
 192       <para revision="286064">The &man.jail.8; utility has been
 193         updated to include a new flag, <literal>-l</literal>, which
 194         ensures a clean environment in the target jail when used.
 195         Additionally, &man.jail.8; will run a shell within the target
 196         jail when run no commands are specified.</para>
 197
 198       <para revision="286952">The &man.last.1; utility now supports
 199         <literal>reboot</literal> as a pseudo-user name which prints
 200         all system reboot entries (<literal>SHUTDOWN_TIME</literal>
 201         and <literal>BOOT_TIME</literal> records).  This was
 202         accidentally removed as of &os; 9.0.</para>
 203
 204       <para revision="287027">The &man.mv.1; utility now returns
 205         <literal>1</literal> instead of <literal>64</literal>
 206         when more than two arguments are specified and
 207         the target is not a valid directory.</para>
 208
 209       <para revision="287122">The &man.mkimg.1; utility has been
 210         updated to include support for <literal>NTFS</literal>
 211         filesystems in both <acronym>MBR</acronym> and
 212         <acronym>GPT</acronym> partitioning schemes.</para>
 213
 214       <para revision="287122">A bug in the &man.mkimg.1; utility
 215         which prevented dynamic VHD format from working with QEMU
 216         has been fixed.</para>
 217
 218       <para revision="287746">The &man.pciconf.8; utility has been
 219         updated to use the PCI ID database from the <filename
 220           role="package">misc/pciids</filename> package, if present,
 221         falling back to the PCI ID database in the &os; base
 222         system.</para>
 223
 224       <para revision="288710" contrib="sponsor" sponsor="&gandi;">A
 225         new utility, &man.sesutil.8;, has been added, which is used
 226         to manage &man.ses.4; devices.</para>
 227
 228       <para revision="292231">Support for a
 229         <option>-manage-gids</option> flag has been added to
 230         &man.nfsuserd.8;.  This option can be enabled at boot time by
 231         setting an &man.rc.conf.5; variable
 232         <varname>nfs_server_managegids</varname> to
 233         <literal>YES</literal>.</para>
 234
 235       <para revision="287084"><command>userdel</command> and
 236         <command>usermod</command> subcommand of the &man.pw.8; utility
 237         now supports a <option>-y</option> flag.</para>
 238
 239       <para revision="292462" contrib="sponsor"
 240         sponsor="&dellinc;">The resolver library has been updated to
 241         reload <filename>/etc/resolv.conf</filename> if the
 242         modification time has changed.</para>
 243
 244       <para revision="293744" contrib="sponsor" sponsor="&ff;">The
 245         initial implementation of <quote>reroot</quote> support has
 246         been added to the &man.reboot.8; utility, allowing the root
 247         filesystem to be mounted from a temporary source filesystem
 248         without requiring a full system reboot.</para>
 249
 250       <para revision="287080">The &man.watchdogd.8; daemon now supports
 251         a <option>-x <replaceable>exit_timeout</replaceable></option>
 252         option to specify the timeout period in seconds to
 253         leave in effect when the program exits.</para>
 254     </sect2>
 255
 256     <sect2 xml:id="userland-contrib">
 257       <title>Contributed Software</title>
 258
 259       <para revision="286082">A bug in &man.libarchive.3; library which
 260         could report an error when handling a sparse file entry
 261         in a tar file has been fixed
 262         by importing changeset <literal>bf4f6ec64e</literal>.</para>
 263
 264       <para revision="286751">Time zone database has been updated to
 265         version <literal>2015f</literal>.</para>
 266
 267       <para revision="290152">The &man.file.1; utility has been
 268         updated to version 5.25.</para>
 269
 270       <para revision="292588">The &man.xz.1; utility has been updated
 271         to version 5.2.2, which provides support for multi-threaded
 272         compression.</para>
 273
 274       <para revision="293650">The &man.ntpd.8; utility has been
 275         updated to version 4.2.8p5.</para>
 276
 277       <para revision="294190">The &man.unbound.8; utility has been
 278         updated to version 1.5.7.</para>
 279
 280       <para revision="294286">The &man.less.1; utility has been
 281         updated to version v481.</para>
 282
 283       <para revision="295690">The
 284         <literal>unbound-control-setup</literal> script has been
 285         removed from the base system.</para>
 286
 287       <para revision="295691">The &man.unbound.8; utility has been
 288         updated to enable the <literal>insecure-lan-zones</literal>
 289         option in preference of listing each <acronym>AS112</acronym>
 290         zone individually.</para>
 291
 292       <para revision="296317">The <application>OpenSSL</application>
 293         suite has been updated to version 1.0.1s.</para>
 294
 295       <para revision="296853">The <application>OpenSSH</application>
 296         suite has been updated to version 7.2p2.</para>
 297     </sect2>
 298
 299     <sect2 xml:id="userland-installer">
 300       <title>Installation and Configuration Tools</title>
 301
 302       <para revision="295264" contrib="sponsor"
 303         sponsor="&scaleengine;">The &man.bsdinstall.8; utility has
 304         been updated to support <acronym>ZFS</acronym> installation
 305         on <acronym>EFI</acronym>-based systems.</para>
 306     </sect2>
 307
 308     <sect2 xml:id="userland-rc">
 309       <title><filename class="directory">/etc/rc.d</filename>
 310         Scripts</title>
 311
 312       <para revision="294680">The <literal>netwait</literal>
 313         &man.rc.8; script has been updated to wait for network
 314         interfaces that attach late in the boot process, such as some
 315         <acronym>USB</acronym> network cards.</para>
 316
 317       <para revision="287091">Firewall rules set by
 318         <literal>firewall_type="SIMPLE"</literal> now uses
 319         &man.ipfw.4; <command>tables</command> for addresses to be
 320         blocked.</para>
 321     </sect2>
 322
 323     <sect2 xml:id="userland-periodic">
 324       <title><filename class="directory">/etc/periodic</filename>
 325         Scripts</title>
 326
 327       <para>&nbsp;</para>
 328     </sect2>
 329
 330     <sect2 xml:id="userland-libraries">
 331       <title>Runtime Libraries and API</title>
 332
 333       <para>&nbsp;</para>
 334     </sect2>
 335
 336     <sect2 xml:id="userland-abi">
 337       <title>ABI Compatibility</title>
 338
 339       <para>&nbsp;</para>
 340     </sect2>
 341   </sect1>
 342
 343   <sect1 xml:id="kernel">
 344     <title>Kernel</title>
 345
 346     <para>This section covers changes to kernel configurations, system
 347       tuning, and system control parameters that are not otherwise
 348       categorized.</para>
 349
 350     <para revision="286742">The &man.vt.4; terminal console driver now
 351       supports <option>ALT_BREAK_TO_DEBUGGER</option> and
 352       <varname>debug.kdb.alt_break_to_debugger</varname> sysctl
 353       variable when kernel debugger support (<option>options
 354       KDB</option>) is enabled.</para>
 355
 356     <para revision="286843">A <function>thread_create()</function>
 357       function has been added as an API to create userspace thread in
 358       kernel space.</para>
 359
 360     <sect2 xml:id="kernel-bugfix">
 361       <title>Kernel Bug Fixes</title>
 362
 363       <para revision="288167" contrib="sponsor"
 364         sponsor="&multiplay;">The &man.kqueue.2; system call has been
 365         updated to handle write events to files larger than 2
 366         gigabytes.</para>
 367     </sect2>
 368
 369     <sect2 xml:id="kernel-config">
 370       <title>Kernel Configuration</title>
 371
 372       <para revision="286132" contrib="sponsor"
 373         sponsor="&ff;" arch="amd64,i386">The &man.pms.4; driver
 374         has been removed from
 375         <filename>GENERIC</filename> kernel.</para>
 376     </sect2>
 377
 378     <sect2 xml:id="kernel-sysctl">
 379       <title>System Tuning and Controls</title>
 380
 381       <para revision="286322" contrib="sponsor"
 382         sponsor="&ff;">A bug which could prevent a loader
 383         tunable <varname>kern.racct.enable</varname> from working
 384         has been fixed.</para>
 385     </sect2>
 386   </sect1>
 387
 388   <sect1 xml:id="drivers">
 389     <title>Devices and Drivers</title>
 390
 391     <para>This section covers changes and additions to devices and
 392       device drivers since &release.prev;.</para>
 393
 394     <sect2 xml:id="drivers-device">
 395       <title>Device Drivers</title>
 396
 397       <para revision="287079" arch="arm">The <literal>imxwdt</literal>
 398         driver, which supports Freescale i.MX watchdog, has been
 399         fixed.</para>
 400
 401       <para revision="287037">A bug in the &man.uart.4; driver which
 402         could cause a polarity reversal of PPS (Pulse Per Second)
 403         capture events has been fixed.  The trailing edge of a
 404         positive PPS pulse and the leading edge of the next pulse were
 405         used as "assert" and "clear" event respectively.</para>
 406
 407       <para revision="287037">The &man.uart.4; driver now supports
 408         runtime configuration of PPS signal source captured by the
 409         driver via <varname>dev.uart.pps_mode</varname> and
 410         <varname>dev.uart.<replaceable>0</replaceable>.pps_mode</varname>
 411         sysctl variables.  The values <literal>0</literal>,
 412         <literal>1</literal>, and <literal>2</literal> correspond to
 413         disabled, capturing pulses on the CTS line,
 414         and capturing pulses on the DCD line, respectively.
 415         The default value is <literal>2</literal>.</para>
 416
 417       <para revision="287035">The &man.uftdi.4; driver now supports
 418         <varname>UFTDIIOC_READ_EEPROM</varname>,
 419         <varname>UFTDIIOC_WRITE_EEPROM</varname>,
 420         and <varname>UFTDIIOC_ERASE_EEPROM</varname>
 421         &man.ioctl.2; to
 422         read/write serial EEPROM attached to the controller chip.</para>
 423     </sect2>
 424
 425     <sect2 xml:id="drivers-storage">
 426       <title>Storage Drivers</title>
 427
 428       <para revision="280451">Legacy &man.ata.4; drivers such as
 429         <literal>ataahci</literal>, <literal>ataadaptec</literal>,
 430         and <literal>mv_sata</literal> have been removed in favor of
 431         the new drivers such as &man.ahci.4;, &man.siis.4;, and
 432         &man.mvs.4;.</para>
 433
 434       <para revision="288732" contrib="sponsor" sponsor="&ix;">The
 435         <acronym>CTL</acronym> High Availability implementation has
 436         been rewritten.</para>
 437
 438       <para revision="288810">The &man.ctl.4; driver has been updated
 439         to support CD-ROM and removable devices.</para>
 440
 441       <para contrib="sponsor" sponsor="&ix;">The &man.isp.4; driver has
 442         been updated and improved: added support for 16Gbps FC cards,
 443         improved target mode support, completed Multi-ID (NPIV)
 444         functionality.</para>
 445     </sect2>
 446
 447     <sect2 xml:id="drivers-network">
 448       <title>Network Drivers</title>
 449
 450       <para revision="295524" contrib="sponsor"
 451         sponsor="&limelight;, &intelcorp;">The &man.ixgbe.4; driver
 452         has been updated to version 3.1.13-k.</para>
 453
 454       <para revision="286895">Firmwares for model T4 and T5 bundled
 455         with the &man.cxgbe.4; driver have been updated to
 456         version 1.14.4.0.</para>
 457     </sect2>
 458   </sect1>
 459
 460   <sect1 xml:id="hardware">
 461     <title>Hardware Support</title>
 462
 463     <para>This section covers general hardware support for physical
 464       machines, hypervisors, and virtualization environments, as well
 465       as hardware changes and updates that do not otherwise fit in
 466       other sections of this document.</para>
 467
 468     <sect2 xml:id="hardware-support">
 469       <title>Hardware Support</title>
 470
 471       <para revision="293675">The &man.ismt.4; driver has been added,
 472         providing support for recent &intel; SMBus 2.0
 473         controllers.</para>
 474     </sect2>
 475
 476     <sect2 xml:id="hardware-virtualization">
 477       <title>Virtualization Support</title>
 478
 479       <para revision="287802">The &man.xen.4; driver has been updated
 480         to include support for <literal>blkif</literal> indirect
 481         segment I/O.</para>
 482     </sect2>
 483
 484     <sect2 xml:id="hardware-arm">
 485       <title>ARM Support</title>
 486
 487       <para>&nbsp;</para>
 488     </sect2>
 489   </sect1>
 490
 491   <sect1 xml:id="storage">
 492     <title>Storage</title>
 493
 494     <para>This section covers changes and additions to file systems
 495       and other storage subsystems, both local and networked.</para>
 496
 497     <sect2 xml:id="storage-general">
 498       <title>General Storage</title>
 499
 500       <para>&nbsp;</para>
 501     </sect2>
 502
 503     <sect2 xml:id="storage-net">
 504       <title>Networked Storage</title>
 505
 506       <para>&nbsp;</para>
 507     </sect2>
 508
 509     <sect2 xml:id="storage-zfs">
 510       <title>ZFS</title>
 511
 512       <para revision="287665" contrib="sponsor"
 513         sponsor="&clusterhq;">The &man.zfs.8; <literal>l2arc</literal>
 514         code has been updated to take <literal>ashift</literal> into
 515         account when gathering buffers to be written to the
 516         <literal>l2arc</literal> device.</para>
 517     </sect2>
 518
 519     <sect2 xml:id="storage-geom">
 520       <title>&man.geom.4;</title>
 521
 522       <para>&nbsp;</para>
 523     </sect2>
 524   </sect1>
 525
 526   <sect1 xml:id="boot">
 527     <title>Boot Loader Changes</title>
 528
 529     <para>This section covers the boot loader, boot menu, and other
 530       boot-related changes.</para>
 531
 532     <sect2 xml:id="boot-loader">
 533       <title>Boot Loader Changes</title>
 534
 535       <para revision="294445">Initial terminal emulation support has
 536         been added to <filename>loader.efi</filename> for
 537         <acronym>UEFI</acronym>-based systems.</para>
 538
 539       <para revision="294999" contrib="sponsor"
 540         sponsor="&multiplay;">Initial <acronym>ZFS</acronym> boot
 541         support has been added to the <acronym>EFI</acronym>
 542         implementation.</para>
 543
 544       <para revision="295475" contrib="sponsor"
 545         sponsor="&scaleengine;">The <acronym>UEFI</acronym> loader has
 546         been updated to support multiple <acronym>ZFS</acronym> boot
 547         environments, such as those provided by <filename
 548           role="package">sysutils/beadm</filename>.</para>
 549     </sect2>
 550
 551     <sect2 xml:id="boot-menu">
 552       <title>Boot Menu Changes</title>
 553
 554       <para revision="294446">The <acronym>UEFI</acronym> boot menu
 555         has been updated to enable the <quote>Beastie</quote> menu,
 556         similiar to the traditional &man.sc.4; boot menu.</para>
 557     </sect2>
 558   </sect1>
 559
 560   <sect1 xml:id="network">
 561     <title>Networking</title>
 562
 563     <para>This section describes changes that affect networking in
 564       &os;.</para>
 565
 566     <para revision="286125" contrib="sponsor"
 567       sponsor="&netgate;">A bug in &man.pf.4; packet filter which
 568       could cause a rule with no <literal>log</literal> parameter to
 569       log the matched packet has been fixed.</para>
 570
 571     <para revision="286316">A bug in &os; IPv6 stack which did not
 572       invoke an <literal>LLENTRY_DELETED</literal> event when an L2
 573       address was deleted from the link-level address table for
 574       IPv6.</para>
 575
 576     <sect2 xml:id="network-protocols">
 577       <title>Network Protocols</title>
 578
 579       <para>&nbsp;</para>
 580     </sect2>
 581   </sect1>
 582
 583   <sect1 xml:id="ports">
 584     <title>Ports Collection and Package Infrastructure</title>
 585
 586     <para>This section covers changes to the &os;&nbsp;Ports
 587       Collection, package infrastructure, and package maintenance and
 588       installation tools.</para>
 589
 590     <sect2 xml:id="ports-infrastructure">
 591       <title>Infrastructure Changes</title>
 592
 593       <para>&nbsp;</para>
 594     </sect2>
 595
 596     <sect2 xml:id="ports-packages ">
 597       <title>Packaging Changes</title>
 598
 599       <para>&nbsp;</para>
 600     </sect2>
 601   </sect1>
 602
 603   <sect1 xml:id="doc">
 604     <title>Documentation</title>
 605
 606     <para>This section covers changes to the &os;&nbsp;Documentation
 607       Project sources and toolchain.</para>
 608
 609     <sect2 xml:id="doc-sources">
 610       <title>Documentation Source Changes</title>
 611
 612       <para>&nbsp;</para>
 613     </sect2>
 614
 615     <sect2 xml:id="doc-toolchain">
 616       <title>Documentation Toolchain Changes</title>
 617
 618       <para>&nbsp;</para>
 619     </sect2>
 620   </sect1>
 621
 622   <sect1 xml:id="releng">
 623     <title>Release Engineering and Integration</title>
 624
 625     <para>This section covers changes that are specific to the
 626       &os;&nbsp;Release Engineering processes.</para>
 627
 628     <sect2 xml:id="releng-changes">
 629       <title>Integration Changes</title>
 630
 631       <para>&nbsp;</para>
 632     </sect2>
 633   </sect1>
 634 </article>