article.xml revision 276938
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"> 5 %release; 6<!ENTITY % sponsor PUBLIC "-//FreeBSD//ENTITIES Sponsor Specification//EN" "sponsor.ent"> 7 %sponsor; 8<!ENTITY % vendor PUBLIC "-//FreeBSD//ENTITIES Vendor Specification//EN" "vendor.ent"> 9 %vendor; 10]> 11<article xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"> 12 <info><title>&os; &release.current; Release Notes</title> 13 14 <author><orgname>The &os; Project</orgname></author> 15 16 <pubdate>$FreeBSD: head/release/doc/en_US.ISO8859-1/relnotes/article.xml 276938 2015-01-10 22:04:32Z gjb $</pubdate> 17 18 <copyright> 19 <year>2015</year> 20 <holder role="mailto:doc@FreeBSD.org">The &os; Documentation 21 Project</holder> 22 </copyright> 23 24 <legalnotice xml:id="trademarks" role="trademarks"> 25 &tm-attrib.freebsd; 26 &tm-attrib.ibm; 27 &tm-attrib.ieee; 28 &tm-attrib.intel; 29 &tm-attrib.sparc; 30 &tm-attrib.general; 31 </legalnotice> 32 33 <abstract> 34 <para>The release notes for &os; &release.current; contain 35 a summary of the changes made to the &os; base system on the 36 &release.branch; development line. This document lists 37 applicable security advisories that were issued since the last 38 release, as well as significant changes to the &os; kernel and 39 userland. Some brief remarks on upgrading are also 40 presented.</para> 41 </abstract> 42</info> 43 44<sect1 xml:id="intro"> 45 <title>Introduction</title> 46 47 <para>This document contains the release notes for &os; 48 &release.current;. It describes recently added, changed, or 49 deleted features of &os;. It also provides some notes on 50 upgrading from previous versions of &os;.</para> 51 52 <para releasetype="current">The &release.type; distribution to which 53 these release notes apply represents the latest point along the 54 &release.branch; development branch since &release.branch; was 55 created. Information regarding pre-built, binary &release.type; 56 distributions along this branch can be found at <uri 57 xlink:href="&release.url;">&release.url;</uri>.</para> 58 59 <para releasetype="snapshot">The &release.type; distribution to 60 which these release notes apply represents a point along the 61 &release.branch; development branch between &release.prev; and the 62 future &release.next;. Information regarding pre-built, binary 63 &release.type; distributions along this branch can be found at 64 <uri xlink:href="&release.url;">&release.url;</uri>.</para> 65 66 <para releasetype="release">This distribution of &os; 67 &release.current; is a &release.type; distribution. It can be 68 found at <uri xlink:href="&release.url;">&release.url;</uri> or 69 any of its mirrors. More information on obtaining this (or other) 70 &release.type; distributions of &os; can be found in the <link 71 xlink:href="&url.books.handbook;/mirrors.html"><quote>Obtaining 72 &os;</quote> appendix</link> to the <link 73 xlink:href="&url.books.handbook;/">&os; Handbook</link>.</para> 74 75 <para>All users are encouraged to consult the release errata before 76 installing &os;. The errata document is updated with 77 <quote>late-breaking</quote> information discovered late in the 78 release cycle or after the release. Typically, it contains 79 information on known bugs, security advisories, and corrections to 80 documentation. An up-to-date copy of the errata for &os; 81 &release.current; can be found on the &os; Web site.</para> 82</sect1> 83 84<sect1 xml:id="new"> 85 <title>What's New</title> 86 87 <para>This section describes the most user-visible new or changed 88 features in &os; since &release.prev;. In general, changes 89 described here are unique to the &release.branch; branch unless 90 specifically marked as &merged; features.</para> 91 92 <para>Typical release note items document recent security advisories 93 issued after &release.prev;, new drivers or hardware support, new 94 commands or options, major bug fixes, or contributed software 95 upgrades. They may also list changes to major ports/packages or 96 release engineering practices. Clearly the release notes cannot 97 list every single change made to &os; between releases; this 98 document focuses primarily on security advisories, user-visible 99 changes, and major architectural improvements.</para> 100 101 <sect2 xml:id="security"> 102 <title>Security Advisories</title> 103 104 <para>No advisories.</para> 105 106 </sect2> 107 108 <sect2 xml:id="kernel"> 109 <title>Kernel Changes</title> 110 111 <para revision="260903">Support for GPS ports has been added to 112 &man.uhso.4;.</para> 113 114 <para revision="264601" contrib="sponsor" 115 sponsor="&darpa_afrl;">The <literal>if_nf10bmac(4)</literal> 116 device has been added, providing support for NetFPGA-10G 117 Embedded CPU Ethernet Core.</para> 118 119 <note> 120 <para>The <literal>if_nf10bmac(4)</literal> driver operates on 121 the FPGA, and is not suited for the PCI host interface.</para> 122 </note> 123 124 <para revision="265132">The &man.full.4; device has been added, 125 and the <literal>lindev(4)</literal> device has been removed. 126 Prior to this change, <literal>lindev(4)</literal> provided only 127 the <filename>/dev/full</filename> character device, returning 128 <literal>ENOSPC</literal> on write attempts. As this device is 129 not specific to &linux;, a native &os; version has been 130 added.</para> 131 132 <para revision="265236" contrib="sponsor" 133 sponsor="&lsi;, &spectralogic;" sponsorurl="">The &man.mpr.4; 134 device has been added, providing support for LSI Fusion-MPT 135 3 12Gb SCSI/SATA controllers.</para> 136 137 <para revision="265555" contrib="sponsor" 138 sponsor="&lsi;">The &man.mrsas.4; driver has been added, 139 providing support for LSI MegaRAID SAS controllers. The 140 &man.mfi.4; driver will attach to the controller, by default. 141 To enable &man.mrsas.4; add 142 <literal>hw.mfi.mrsas_enable=1</literal> to 143 <filename>/boot/loader.conf</filename>, which turns off 144 &man.mfi.4; device probing.</para> 145 146 <note> 147 <para>At this time, the &man.mfiutil.8; utility and 148 the &os; version of 149 <application>MegaCLI</application> and 150 <application>StorCli</application> do not work with 151 &man.mrsas.4;.</para> 152 </note> 153 154 <para revision="265876">A kernel bug that inhibited proper 155 functionality of the <literal>dev.cpu.0.freq</literal> 156 &man.sysctl.8; on &intel; processors with Turbo 157 Boost ™ enabled has been fixed.</para> 158 159 <para revision="266531">The <literal>IMAGACT_BINMISC</literal> 160 kernel configuration option has been enabled by default, 161 which enables application execution through emulators, such 162 as <application>Qemu</application>.</para> 163 164 <para revision="266757" contrib="sponsor" 165 sponsor="&chelsio;">Support for the &man.cxgbe.4; Terminator 5 166 (T5) 10G/40G cards has been added to &man.netmap.4;.</para> 167 168 <para revision="268045">The <literal>VT</literal> kernel 169 configuration file has been removed, and the &man.vt.4; 170 driver is included in the <literal>GENERIC</literal> kernel. 171 To enable &man.vt.4;, enter <literal>set kern.vty=vt</literal> 172 at the &man.loader.8; prompt during boot, or add 173 <literal>kern.vty=vt</literal> to &man.loader.conf.5; and 174 reboot the system.</para> 175 176 <para revision="271697" arch="powerpc">Support for &man.dtrace.1; 177 stack tracing has been fixed for &os;/&arch.powerpc;, using the 178 <literal>trapexit()</literal> and 179 <literal>asttrapexit()</literal> functions instead of checking 180 within addressed kernel space.</para> 181 182 <para revision="271705">Hardware context support has been 183 added to the <literal>drm/i915</literal> driver, adding 184 support for <application>Mesa</application> 9.2 and 185 later.</para> 186 187 <para revision="273178">The &man.vt.4; driver has been updated, 188 replacing the bitmapped <literal>kern.vt.spclkeys</literal> 189 &man.sysctl.8; with individual <literal>kern.vt.kbd_*</literal> 190 variants.</para> 191 192 <sect3 xml:id="kernel-virtualization"> 193 <title>Virtualization support</title> 194 195 <para revision="260410">Support for the <quote>Virtual Interrupt 196 Delivery</quote> feature of &intel; VT-x is enabled if 197 supported by the CPU. This feature can be disabled by running 198 <literal>sysctl hw.vmm.vmx.use_apic_vid=0</literal>. 199 Additionally, to persist this setting across reboots, add 200 <literal>hw.vmm.vmx.use_apic_vid=0</literal> to 201 <filename>/etc/sysctl.conf</filename>.</para> 202 203 <para revision="260532">Support for <quote>Posted Interrupt 204 Processing</quote> is enabled if supported by the CPU. This 205 feature can be disabled by running <literal>sysctl 206 hw.vmm.vmx.use_apic_pir=0</literal>. Additionally, to 207 persist this setting across reboots, add 208 <literal>hw.vmm.vmx.use_apic_pir=0</literal> to 209 <filename>/etc/sysctl.conf</filename>.</para> 210 211 <para revision="260582">Unmapped IO support has been added to 212 &man.virtio_blk.4;.</para> 213 214 <para revision="260583">Unmapped IO support has been added to 215 &man.virtio_scsi.4;.</para> 216 217 <para revision="260847">The &man.virtio_random.4; driver has 218 been added to harvest entropy from the host system.</para> 219 220 <para revision="267536" contrib="sponsor" 221 sponsor="&citrix.rd;">Support for running a &os;/&arch.amd64; 222 <application>Xen</application> guest instance as 223 <acronym>PVH</acronym> guest has been added. 224 <acronym>PVH</acronym> mode, short for <quote>Para-Virtualized 225 Hardware</quote>, uses para-virtualized drivers for boot 226 and I/O, and uses hardware virtualization extensions for all 227 other tasks, without the need for emulation.</para> 228 </sect3> 229 230 <sect3 xml:id="kernel-arm"> 231 <title>ARM support</title> 232 233 <para revision="260921">The &man.nand.4; device is enabled for 234 ARM devices by default.</para> 235 236 <para revision="273264" arch="armv6">An issue that could cause 237 instability when detecting <acronym>SD</acronym> cards on the 238 Raspberry Pi <acronym>SOC</acronym> has been fixed.</para> 239 </sect3> 240 241 <sect3 xml:id="boot"> 242 <title>Boot Loader Changes</title> 243 244 <para> </para> 245 </sect3> 246 247 <sect3 xml:id="proc"> 248 <title>Hardware Support</title> 249 250 <para revision="268303">The &man.asmc.4; driver has been updated 251 to support the &apple; MacMini 3,1.</para> 252 253 <para revision="268351">Support for &os;/ia64 has been dropped 254 as of &os; 11.</para> 255 256 <sect4 xml:id="mm"> 257 <title>Multimedia Support</title> 258 259 <para> </para> 260 </sect4> 261 262 <sect4 xml:id="net-if"> 263 <title>Network Interface Support</title> 264 265 <para revision="258830">Support for Broadcom chipsets 266 BCM57764, BCM57767, BCM57782, BCM57786 and BCM57787 has 267 been added to &man.bge.4;.</para> 268 269 <para revision="260448">Support for the &intel; 270 Centrino™ Wireless-N 135 chipset has been 271 added.</para> 272 273 <para revision="260552">Firmware for &intel; 274 Centrino™ Wireless-N 105 devices has been added 275 to the base system.</para> 276 277 <para revision="261975">The deprecated nve(4) driver has been 278 removed. Users of NVIDIA nForce MCP network adapters are 279 advised to use the &man.nfe.4; driver instead, which has been 280 the default driver for this hardware since &os; 7.0.</para> 281 282 <para revision="265348" contrib="sponsor" 283 sponsor="&netgate;">The &man.ath.hal.4; driver has been 284 updated to support the Atheros AR1111 chipset.</para> 285 286 <para revision="266770">Support for the &intel; 287 Centrino™ Wireless-N 105 chipset has been 288 added.</para> 289 290 <para revision="272089">A bug in &man.ipfw.4; that could 291 potentially lead to a kernel panic when using 292 &man.dummynet.4; at layer 2 has been fixed.</para> 293 294 <para revision="272730">The &man.alc.4; driver has been 295 updated to support AR816x and AR817x ethernet 296 controllers.</para> 297 </sect4> 298 </sect3> 299 300 <sect3 xml:id="net-proto"> 301 <title>Network Protocols</title> 302 303 <para revision="263140">Support for the IPX network transport 304 protocol has been removed, and will not be supported in 305 &os; 11 and later releases.</para> 306 307 <para revision="272720" contrib="sponsor" 308 sponsor="&limelight;">Support for <acronym>PLPMTUD</acronym> 309 blackhole detection (<acronym>RFC</acronym> 4821) has been 310 added to the &man.tcp.4; stack, disabled by default. New 311 control tunables have been added:</para> 312 313 <informaltable frame="none" pgwide="0"> 314 <tgroup cols="2"> 315 <colspec colwidth="1*"/> 316 <colspec colwidth="1*"/> 317 <thead> 318 <row> 319 <entry>Tunable</entry> 320 <entry>Description</entry> 321 </row> 322 </thead> 323 324 <tbody> 325 <row> 326 <entry><literal>net.inet.tcp.pmtud_blackhole_detection</literal></entry> 327 <entry>Enables or disables <acronym>PLPMTUD</acronym> 328 blackhole detection</entry> 329 </row> 330 331 <row> 332 <entry><literal>net.inet.tcp.pmtud_blackhole_mss</literal></entry> 333 <entry><acronym>MSS</acronym> to try for IPv4</entry> 334 </row> 335 336 <row> 337 <entry><literal>net.inet.tcp.v6pmtud_blackhole_mss</literal></entry> 338 <entry><acronym>MSS to try for IPv6</acronym></entry> 339 </row> 340 </tbody> 341 </tgroup> 342 </informaltable> 343 344 <para>New monitoring &man.sysctl.8;s haven been added:</para> 345 346 <informaltable frame="none" pgwide="0"> 347 <tgroup cols="2"> 348 <colspec colwidth="1*"/> 349 <colspec colwidth="1*"/> 350 <thead> 351 <row> 352 <entry>Tunable</entry> 353 <entry>Description</entry> 354 </row> 355 </thead> 356 357 <tbody> 358 <row> 359 <entry><literal>net.inet.tcp.pmtud_blackhole_activated</literal></entry> 360 <entry>Number of times the code was activated to attempt 361 downshifting the <acronym>MSS</acronym></entry> 362 </row> 363 364 <row> 365 <entry><literal>net.inet.tcp.pmtud_blackhole_min_activated</literal></entry> 366 <entry>Number of times the blackhole 367 <acronym>MSS</acronym> was used in an attempt to 368 downshift</entry> 369 </row> 370 371 <row> 372 <entry><literal>net.inet.tcp.pmtud_blackhole_failed</literal></entry> 373 <entry>Number of times that the blackhole failed to 374 connect after downshifting the 375 <acronym>MSS</acronym></entry> 376 </row> 377 </tbody> 378 </tgroup> 379 </informaltable> 380 381 </sect3> 382 383 <sect3 xml:id="disks"> 384 <title>Disks and Storage</title> 385 386 <para revision="267359">Support for the 387 <literal>disklabel64</literal> partitioning scheme has been 388 added to &man.gpart.8;.</para> 389 390 <para revision="276526">The <literal>asr(4)</literal> driver has 391 been removed, and is no longer supported.</para> 392 </sect3> 393 394 <sect3 xml:id="fs"> 395 <title>File Systems</title> 396 397 <para revision="r270096" contrib="sponsor" sponsor="&ff;">The 398 new filesystem automount facility, &man.autofs.5;, has been 399 added. The new &man.autofs.5; facility is similar to that 400 found in other &unix;-like operating systems, such as 401 OS X™ and Solaris™. The &man.autofs.5; 402 facility uses a &sun;-compatible &man.auto.master.5; 403 configuration file, and is administered with the 404 &man.automount.8; userland utility, and the 405 &man.automountd.8; and &man.autounmountd.8; daemons.</para> 406 407 <sect4 xml:id="fs-zfs"> 408 <title>ZFS</title> 409 410 <para> </para> 411 </sect4> 412 </sect3> 413 </sect2> 414 415 <sect2 xml:id="userland"> 416 <title>Userland Changes</title> 417 418 <para revision="258838" contrib="sponsor" sponsor="&ff;, &google;" 419 sponsorurl="">The &man.casperd.8; daemon has been added, 420 which provides access to functionality that is not available in 421 the <quote>capability mode</quote> sandbox.</para> 422 423 <para revision="260594">When unable to load a kernel module with 424 &man.kldload.8;, a message informing to view output of 425 &man.dmesg.8; is now printed, opposed to the previous output 426 <quote>Exec format error.</quote>.</para> 427 428 <para revision="260910">Allow &man.pciconf.8; to identify PCI 429 devices that are attached to a driver to be identified by their 430 device name instead of just the selector. Additionally, an 431 optional device argument to the <literal>-l</literal> flag 432 to restrict the output to only listing details about a single 433 device.</para> 434 435 <para revision="260913">A new flag, <quote>onifconsole</quote> has 436 been added to <filename>/etc/ttys</filename>. This allows the 437 system to provide a login prompt via serial console if the 438 device is an active kernel console, otherwise it is equivalent 439 to <literal>off</literal>.</para> 440 441 <para revision="260926">Support for displaying VPD for PCI devices 442 via &man.pciconf.8; has been added.</para> 443 444 <para revision="261498">&man.ping.8; protects against malicious 445 network packets using the Capsicum framework to drop 446 privileges.</para> 447 448 <para revision="261504">&os;/&arch.i386; guests can be run under 449 bhyve.</para> 450 451 <para revision="265229">The &man.ps.1; utility has been 452 updated to include the <literal>-J</literal> flag, used to 453 filter output by matching &man.jail.8; IDs and names. 454 Additionally, argument <literal>0</literal> can be used to 455 <literal>-J</literal> to only list processes running on the 456 host system.</para> 457 458 <para revision="265249">The &man.top.1; utility has been updated 459 to filter by &man.jail.8; ID or name, in followup to the 460 &man.ps.1; change in <literal>r265229</literal>.</para> 461 462 <para revision="265995">The Blowfish &man.crypt.3; default format 463 has been changed to 464 <literal>$2b$</literal>.</para> 465 466 <para revision="266209">The &man.pmcstat.8; utility has been 467 updated to include a new flag, <literal>-l</literal>, which 468 ends event collection after the specified number of 469 seconds.</para> 470 471 <para revision="266463">The default &man.newsyslog.conf.5; now 472 includes files in the 473 <filename>/etc/newsyslog.conf.d/</filename> and 474 <filename>/usr/local/etc/newsyslog.conf.d/</filename> 475 directories by default for &man.newsyslog.8;.</para> 476 477 <para revision="268461">The &man.readline.3; library is now 478 statically linked in software within the base system, and the 479 shared library is no longer installed, allowing the Ports 480 Collection to use a modern version of the library.</para> 481 482 <para revision="270675">The &man.mailwrapper.8; utility has been 483 updated to use &man.mailer.conf.5; from the 484 <literal>LOCALBASE</literal> environment variable, which 485 defaults to <filename class="directory">/usr/local</filename> 486 if unset.</para> 487 488 <para revision="270745">The &man.ps.1; utility has been updated 489 to include a new keyword, <quote>tracer</quote>, which displays 490 the parent <acronym>PID</acronym> of a child process.</para> 491 492 <para revision="271482">Support for adding empty partitions has 493 been added to the &man.mkimg.1; utility.</para> 494 495 <para revision="272166">The &man.primes.6; utility has been 496 updated to correctly enumerate prime numbers between 497 <literal>4295098369</literal> and 498 <literal>3825123056546413050</literal>, which prior to this 499 change, it would be possible for returned values to be 500 incorrectly identified as prime numbers.</para> 501 502 <para revision="272198">The &man.mkimg.1; utility has been 503 updated to include three options used to print information 504 about &man.mkimg.1; itself:</para> 505 506 <informaltable frame="none" pgwide="0"> 507 <tgroup cols="2"> 508 <colspec colwidth="1*"/> 509 <colspec colwidth="1*"/> 510 <thead> 511 <row> 512 <entry>Option</entry> 513 <entry>Output</entry> 514 </row> 515 </thead> 516 517 <tbody> 518 <row> 519 <entry><literal>--version</literal></entry> 520 <entry>The current version of the &man.mkimg.1; 521 utility</entry> 522 </row> 523 524 <row> 525 <entry><literal>--formats</literal></entry> 526 <entry>The disk image file formats supported by 527 &man.mkimg.1;</entry> 528 </row> 529 530 <row> 531 <entry><literal>--schemes</literal></entry> 532 <entry>The partition schemes supported by 533 &man.mkimg.1;</entry> 534 </row> 535 </tbody> 536 </tgroup> 537 </informaltable> 538 539 <para revision="272273">The &man.strptime.3; library has been 540 updated to add support for <acronym>POSIX</acronym>-2001 541 features <literal>%U</literal> and <literal>%W</literal>.</para> 542 543 <para revision="272274">The &os; installation utility, 544 &man.bsdinstall.8;, has been updated to set the 545 <literal>canmount</literal> &man.zfs.8; property to 546 <literal>off</literal> for the 547 <filename class="directory">/var</filename> dataset, preventing 548 the contents of directories within <filename 549 class="directory">/var</filename> from conflicting when using 550 multiple boot environments, such as that provided by <filename 551 role="package">sysutils/beadm</filename>.</para> 552 553 <para revision="272350">The <literal>MK_ARM_EABI</literal> 554 &man.src.conf.5; option has been removed.</para> 555 556 <para revision="272488">Userland &man.ctf.5; support in 557 &man.dtrace.1; has been added. With this change, &man.dtrace.1; 558 is able to resolve type info for function and 559 <acronym>USDT</acronym> probe arguments, and function return 560 values.</para> 561 562 <para revision="272842,272848" contrib="sponsor" 563 sponsor="&ff;">The &man.dl.iterate.phdr.3; library has been 564 changed to always return the path name of the 565 <acronym>ELF</acronym> object in the 566 <literal>dlpi_name</literal> structure member.</para> 567 568 <sect3 xml:id="abi-compat"> 569 <title><acronym>ABI</acronym> Compatibility</title> 570 571 <para revision="271982">The &linux; compatiblity version has 572 been updated to <literal>2.6.18</literal>. The 573 <literal>compat.linux.osrelease</literal> &man.sysctl.8; is 574 evaluated when building the <filename 575 role="package">emulators/linux-c6</filename> and related 576 ports.</para> 577 </sect3> 578 579 <sect3 xml:id="rc-scripts"> 580 <title><filename>/etc/rc.d</filename> Scripts</title> 581 582 <para revision="270676">The &man.rc.8; subsystem has been 583 updated to allow configuring services in <filename 584 class="directory">${LOCALBASE}/etc/rc.conf.d/</filename>. 585 If <literal>LOCALBASE</literal> is unset, it defaults to 586 <filename class="directory">/usr/local</filename>.</para> 587 </sect3> 588 589 <sect3 xml:id="periodic-scripts"> 590 <title><filename>/etc/periodic</filename> Scripts</title> 591 592 <para revision="271321">The daily &man.periodic.8; script 593 <filename>110.clean-tmps</filename> has been updated to 594 avoid crossing filesystem mount boundaries when cleaning 595 files in <filename class="directory">/tmp</filename>.</para> 596 </sect3> 597 </sect2> 598 599 <sect2 xml:id="contrib"> 600 <title>Contributed Software</title> 601 602 <para revision="258884" contrib="sponsor" 603 sponsor="&darpa_afrl;">&man.lldb.1; has been updated to upstream 604 snapshot version r196259.</para> 605 606 <para revision="259626">Timezone data files have been updated to 607 version 2013i.</para> 608 609 <para revision="260445">&man.byacc.1; has been updated to version 610 20140101.</para> 611 612 <para revision="261071">&man.jemalloc.3; has been updated to 613 version 3.5.0.</para> 614 615 <para revision="261212"><application>bmake</application> has been 616 updated to version 20140101.</para> 617 618 <para revision="261283"><application>libc++</application> has been 619 updated to version 3.4.</para> 620 621 <para revision="261320"><application>OpenSSH</application> has 622 been updated to 6.5p1.</para> 623 624 <para revision="261344"><application>mdocml</application> has been 625 updated to version 1.12.3.</para> 626 627 <para revision="261991"><application>LLVM</application> and 628 <application>Clang</application> have been updated to 629 version 3.4.</para> 630 631 <para revision="266527" role="merged"><application>Sendmail</application> 632 has been updated from 8.14.7 to 8.14.9.</para> 633 634 <para revision="267256"><application>OpenSSL</application> has 635 been updated to version 1.0.1h.</para> 636 637 <para revision="276577"><application>file</application> has been 638 updated to version 5.22.</para> 639 640 <para revision="273146"><application>OpenSSL</application> has 641 been updated to version 1.0.1j.</para> 642 </sect2> 643 644 <sect2 xml:id="ports"> 645 <title>Ports/Packages Collection Infrastructure</title> 646 647 <para> </para> 648 </sect2> 649 650 <sect2 xml:id="releng"> 651 <title>Release Engineering and Integration</title> 652 653 <para> </para> 654 </sect2> 655 656 <sect2 xml:id="doc"> 657 <title>Documentation</title> 658 659 <para> </para> 660 </sect2> 661</sect1> 662 663<sect1 xml:id="upgrade"> 664 <title>Upgrading from previous releases of &os;</title> 665 666 <para arch="amd64,i386">Binary upgrades between RELEASE versions 667 (and snapshots of the various security branches) are supported 668 using the &man.freebsd-update.8; utility. The binary upgrade 669 procedure will update unmodified userland utilities, as well as 670 unmodified GENERIC kernels distributed as a part of an official 671 &os; release. The &man.freebsd-update.8; utility requires that 672 the host being upgraded have Internet connectivity.</para> 673 674 <para>Source-based upgrades (those based on recompiling the &os; 675 base system from source code) from previous versions are 676 supported, according to the instructions in 677 <filename>/usr/src/UPDATING</filename>.</para> 678 679 <important> 680 <para>Upgrading &os; should only be attempted after backing up 681 <emphasis>all</emphasis> data and configuration files.</para> 682 </important> 683</sect1> 684</article> 685