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  20
  21   <info>
  22     <title>&os; &release.current; Release Notes</title>
  23
  24     <author>
  25       <orgname>The &os; Project</orgname>
  26     </author>
  27
  28     <pubdate>$FreeBSD$</pubdate>
  29
  30     <copyright>
  31       <year>2017</year>
  32       <holder role="mailto:doc@FreeBSD.org">The &os; Documentation
  33         Project</holder>
  34     </copyright>
  35
  36     <legalnotice xml:id="trademarks" role="trademarks">
  37       &tm-attrib.freebsd;
  38       &tm-attrib.ibm;
  39       &tm-attrib.ieee;
  40       &tm-attrib.intel;
  41       &tm-attrib.sparc;
  42       &tm-attrib.general;
  43     </legalnotice>
  44
  45     <abstract>
  46       <para>The release notes for &os; &release.current; contain
  47         a summary of the changes made to the &os; base system on the
  48         &release.branch; development line.  This document lists
  49         applicable security advisories that were issued since the last
  50         release, as well as significant changes to the &os; kernel and
  51         userland.  Some brief remarks on upgrading are also
  52         presented.</para>
  53     </abstract>
  54   </info>
  55
  56   <sect1 xml:id="intro">
  57     <title>Introduction</title>
  58
  59     <para>This document contains the release notes for &os;
  60       &release.current;.  It describes recently added, changed, or
  61       deleted features of &os;.  It also provides some notes on
  62       upgrading from previous versions of &os;.</para>
  63
  64     <para releasetype="current">The &release.type; distribution to
  65       which these release notes apply represents the latest point
  66       along the &release.branch; development branch since
  67       &release.branch; was created.  Information regarding pre-built,
  68       binary &release.type; distributions along this branch can be
  69       found at <uri
  70         xlink:href="&release.url;">&release.url;</uri>.</para>
  71
  72     <para releasetype="snapshot">The &release.type; distribution to
  73       which these release notes apply represents a point along the
  74       &release.branch; development branch between &release.prev; and
  75       the future &release.next;.  Information regarding pre-built,
  76       binary &release.type; distributions along this branch can be
  77       found at <uri
  78         xlink:href="&release.url;">&release.url;</uri>.</para>
  79
  80     <para releasetype="release">This distribution of &os;
  81       &release.current; is a &release.type; distribution.  It can be
  82       found at <uri xlink:href="&release.url;">&release.url;</uri> or
  83       any of its mirrors.  More information on obtaining this (or
  84       other) &release.type; distributions of &os; can be found in the
  85       <link
  86         xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining
  87           &os;</quote> appendix</link> to the <link
  88         xlink:href="&url.books.handbook;/">&os;
  89         Handbook</link>.</para>
  90
  91     <para>All users are encouraged to consult the release errata
  92       before installing &os;.  The errata document is updated with
  93       <quote>late-breaking</quote> information discovered late in the
  94       release cycle or after the release.  Typically, it contains
  95       information on known bugs, security advisories, and corrections
  96       to documentation.  An up-to-date copy of the errata for &os;
  97       &release.current; can be found on the &os; Web site.</para>
  98
  99     <para>This document describes the most user-visible new or changed
 100       features in &os; since &release.prev;.</para>
 101
 102     <para>Typical release note items document recent security
 103       advisories issued after &release.prev;, new drivers or hardware
 104       support, new commands or options, major bug fixes, or
 105       contributed software upgrades.  They may also list changes to
 106       major ports/packages or release engineering practices.  Clearly
 107       the release notes cannot list every single change made to &os;
 108       between releases; this document focuses primarily on security
 109       advisories, user-visible changes, and major architectural
 110       improvements.</para>
 111   </sect1>
 112
 113   <sect1 xml:id="upgrade">
 114     <title>Upgrading from Previous Releases of &os;</title>
 115
 116     <para arch="amd64,i386">Binary upgrades between RELEASE versions
 117       (and snapshots of the various security branches) are supported
 118       using the &man.freebsd-update.8; utility.  The binary upgrade
 119       procedure will update unmodified userland utilities, as well as
 120       unmodified <filename>GENERIC</filename> kernel distributed as
 121       a part of an official &os; release.  The &man.freebsd-update.8;
 122       utility requires that the host being upgraded have Internet
 123       connectivity.</para>
 124
 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>
 129
 130     <important>
 131       <para>Upgrading &os; should only be attempted after
 132         backing up <emphasis>all</emphasis> data and configuration
 133         files.</para>
 134     </important>
 135   </sect1>
 136
 137   <sect1 xml:id="security-errata">
 138     <title>Security and Errata</title>
 139
 140     <para>This section lists the various Security Advisories and
 141       Errata Notices since &release.prev;.</para>
 142
 143     <sect2 xml:id="security">
 144       <title>Security Advisories</title>
 145
 146       &security;
 147     </sect2>
 148
 149     <sect2 xml:id="errata">
 150       <title>Errata Notices</title>
 151
 152       &errata;
 153     </sect2>
 154   </sect1>
 155
 156   <sect1 xml:id="userland">
 157     <title>Userland</title>
 158
 159     <para>This section covers changes and additions to userland
 160       applications, contributed software, and system utilities.</para>
 161
 162     <sect2 xml:id="userland-config">
 163       <title>Userland Configuration Changes</title>
 164
 165       <para revision="313206">The &man.inetd.8; utility is now built
 166         without <literal>libwrap</literal> support when
 167         <literal>WITHOUT_TCP_WRAPPERS</literal> is set in
 168         &man.src.conf.5;.</para>
 169
 170       <para revision="316046">The &man.libthr.3; library and related
 171         files are now evaluated and removed by the
 172         <literal>delete-old-libs</literal> target when upgrading the
 173         system if <literal>WITHOUT_LIBTHR</literal> is
 174         set in &man.src.conf.5;.</para>
 175     </sect2>
 176
 177     <sect2 xml:id="userland-programs">
 178       <title>Userland Application Changes</title>
 179
 180       <para revision="308915">The &man.zfsbootcfg.8; utility has been
 181         added, providing one-time &man.boot.config.5;-style options
 182         for &man.zfsboot.8;.</para>
 183     </sect2>
 184
 185     <sect2 xml:id="userland-contrib">
 186       <title>Contributed Software</title>
 187
 188       <para revision="309512"><application>Subversion</application>
 189         has been updated to version 1.9.5.</para>
 190
 191       <para revision="309848">&man.file.1; has been updated to version
 192         5.29.</para>
 193
 194       <para revision="310490">The &man.amd.8; utility has been updated
 195         to version 6.2.</para>
 196
 197       <para revision="312516">&man.xz.1; has been updated to version
 198         5.2.3.</para>
 199
 200       <para revision="313796">&man.zlib.3; has been updated to version
 201         1.2.11.</para>
 202
 203       <para revision="315433">&man.libarchive.3; has been updated to
 204         version 3.3.1.</para>
 205
 206       <para revision="316069">&man.ntpd.8; has been updated to version
 207         4.2.8p10.</para>
 208
 209       <para revision="316350">Timezone data files have been updated to
 210         version 2017b.</para>
 211
 212       <para revision="316958">&man.tcsh.1; has been updated to version
 213         6.20.00.</para>
 214     </sect2>
 215
 216     <sect2 xml:id="userland-installer">
 217       <title>Installation and Configuration Tools</title>
 218
 219       <para>&nbsp;</para>
 220     </sect2>
 221
 222     <sect2 xml:id="userland-rc">
 223       <title><filename class="directory">/etc/rc.d</filename>
 224         Scripts</title>
 225
 226       <para>&nbsp;</para>
 227     </sect2>
 228
 229     <sect2 xml:id="userland-periodic">
 230       <title><filename class="directory">/etc/periodic</filename>
 231         Scripts</title>
 232
 233       <para>&nbsp;</para>
 234     </sect2>
 235
 236     <sect2 xml:id="userland-libraries">
 237       <title>Runtime Libraries and API</title>
 238
 239       <para>&nbsp;</para>
 240     </sect2>
 241
 242     <sect2 xml:id="userland-abi">
 243       <title>ABI Compatibility</title>
 244
 245       <para>&nbsp;</para>
 246     </sect2>
 247   </sect1>
 248
 249   <sect1 xml:id="kernel">
 250     <title>Kernel</title>
 251
 252     <para>This section covers changes to kernel configurations, system
 253       tuning, and system control parameters that are not otherwise
 254       categorized.</para>
 255
 256     <sect2 xml:id="kernel-bugfix">
 257       <title>Kernel Bug Fixes</title>
 258
 259       <para revision="317434">The &man.ipf.4; packet filter has been
 260         updated to prevent <literal>keep state</literal> from
 261         incorrectly implying <literal>keep frags</literal>, matching
 262         the behavior documented in &man.ipf.5;.</para>
 263     </sect2>
 264
 265     <sect2 xml:id="kernel-config">
 266       <title>Kernel Configuration</title>
 267
 268       <para>&nbsp;</para>
 269     </sect2>
 270
 271     <sect2 xml:id="kernel-sysctl">
 272       <title>System Tuning and Controls</title>
 273
 274       <para></para>
 275     </sect2>
 276   </sect1>
 277
 278   <sect1 xml:id="drivers">
 279     <title>Devices and Drivers</title>
 280
 281     <para>This section covers changes and additions to devices and
 282       device drivers since &release.prev;.</para>
 283
 284     <sect2 xml:id="drivers-device">
 285       <title>Device Drivers</title>
 286
 287       <para>&nbsp;</para>
 288     </sect2>
 289
 290     <sect2 xml:id="drivers-storage">
 291       <title>Storage Drivers</title>
 292
 293       <para></para>
 294     </sect2>
 295
 296     <sect2 xml:id="drivers-network">
 297       <title>Network Drivers</title>
 298
 299       <para revision="311507" contrib="sponsor"
 300         sponsor="&chelsio;">The &man.cxgbe.4; driver has been updated
 301         to firmware version 1.16.26.0 for T4, T5, and T6 cards.</para>
 302
 303       <para revision="312359">The &man.alc.4; driver has been updated
 304         to provide support for Atheros&reg; Killer&nbsp;E2400&trade;
 305         Gigabit ethernet cards.</para>
 306
 307       <para revision="314019" contrib="sponsor" sponsor="&ms;">The
 308         &man.alc.4; driver has been updated to provide support for
 309         Atheros&reg; Killer&nbsp;E2500&trade; Gigabit ethernet
 310         cards.</para>
 311
 312       <para revision="316485">The &man.qlnxe.4; driver has been added,
 313         providing support for Cavium&reg; Qlogic&trade; 45000 Series
 314         adapters.</para>
 315     </sect2>
 316   </sect1>
 317
 318   <sect1 xml:id="hardware">
 319     <title>Hardware Support</title>
 320
 321     <para>This section covers general hardware support for physical
 322       machines, hypervisors, and virtualization environments, as well
 323       as hardware changes and updates that do not otherwise fit in
 324       other sections of this document.</para>
 325
 326     <sect2 xml:id="hardware-support">
 327       <title>Hardware Support</title>
 328
 329       <para>&nbsp;</para>
 330     </sect2>
 331
 332     <sect2 xml:id="hardware-virtualization">
 333       <title>Virtualization Support</title>
 334
 335       <para></para>
 336     </sect2>
 337
 338     <sect2 xml:id="hardware-arm">
 339       <title>ARM Support</title>
 340
 341       <para>&nbsp;</para>
 342     </sect2>
 343   </sect1>
 344
 345   <sect1 xml:id="storage">
 346     <title>Storage</title>
 347
 348     <para>This section covers changes and additions to file systems
 349       and other storage subsystems, both local and networked.</para>
 350
 351     <sect2 xml:id="storage-general">
 352       <title>General Storage</title>
 353
 354       <para>&nbsp;</para>
 355     </sect2>
 356
 357     <sect2 xml:id="storage-net">
 358       <title>Networked Storage</title>
 359
 360       <para>&nbsp;</para>
 361     </sect2>
 362
 363     <sect2 xml:id="storage-zfs">
 364       <title>ZFS</title>
 365
 366       <para></para>
 367     </sect2>
 368
 369     <sect2 xml:id="storage-geom">
 370       <title>&man.geom.4;</title>
 371
 372       <para>&nbsp;</para>
 373     </sect2>
 374   </sect1>
 375
 376   <sect1 xml:id="boot">
 377     <title>Boot Loader Changes</title>
 378
 379     <para>This section covers the boot loader, boot menu, and other
 380       boot-related changes.</para>
 381
 382     <sect2 xml:id="boot-loader">
 383       <title>Boot Loader Changes</title>
 384
 385       <para>&nbsp;</para>
 386     </sect2>
 387
 388     <sect2 xml:id="boot-menu">
 389       <title>Boot Menu Changes</title>
 390
 391       <para>&nbsp;</para>
 392     </sect2>
 393   </sect1>
 394
 395   <sect1 xml:id="network">
 396     <title>Networking</title>
 397
 398     <para>This section describes changes that affect networking in
 399       &os;.</para>
 400
 401     <sect2 xml:id="network-protocols">
 402       <title>Network Protocols</title>
 403
 404       <para revision="309340" contrib="sponsor"
 405         sponsor="&dellemc;">Support for <acronym>GARP</acronym>
 406         (gratuitous <acronym>ARP</acronym>) retransmit has been added.
 407         A new &man.sysctl.8;,
 408         <literal>net.link.ether.inet.garp_rexmit_count</literal>, has
 409         been added, which sets the maximum number of retransmissions
 410         when set to a non-zero value.</para>
 411     </sect2>
 412   </sect1>
 413
 414   <sect1 xml:id="ports">
 415     <title>Ports Collection and Package Infrastructure</title>
 416
 417     <para>This section covers changes to the &os;&nbsp;Ports
 418       Collection, package infrastructure, and package maintenance and
 419       installation tools.</para>
 420
 421     <sect2 xml:id="ports-infrastructure">
 422       <title>Infrastructure Changes</title>
 423
 424       <para>&nbsp;</para>
 425     </sect2>
 426
 427     <sect2 xml:id="ports-packages ">
 428       <title>Packaging Changes</title>
 429
 430       <para>&nbsp;</para>
 431     </sect2>
 432   </sect1>
 433
 434   <sect1 xml:id="doc">
 435     <title>Documentation</title>
 436
 437     <para>This section covers changes to the &os;&nbsp;Documentation
 438       Project sources and toolchain.</para>
 439
 440     <sect2 xml:id="doc-sources">
 441       <title>Documentation Source Changes</title>
 442
 443       <para>&nbsp;</para>
 444     </sect2>
 445
 446     <sect2 xml:id="doc-toolchain">
 447       <title>Documentation Toolchain Changes</title>
 448
 449       <para>&nbsp;</para>
 450     </sect2>
 451   </sect1>
 452
 453   <sect1 xml:id="releng">
 454     <title>Release Engineering and Integration</title>
 455
 456     <para>This section convers changes that are specific to the
 457       &os;&nbsp;Release Engineering processes.</para>
 458
 459     <sect2 xml:id="releng-changes">
 460       <title>Integration Changes</title>
 461
 462       <para>&nbsp;</para>
 463     </sect2>
 464   </sect1>
 465 </article>