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Annotation of www/68.html, Revision 1.8

1.1       benno       1: <!doctype html>
                      2: <html lang=en id=release>
                      3: <meta charset=utf-8>
                      4:
                      5: <title>OpenBSD 6.8</title>
                      6: <meta name="description" content="OpenBSD 6.8">
                      7: <meta name="viewport" content="width=device-width, initial-scale=1">
                      8: <link rel="stylesheet" type="text/css" href="openbsd.css">
                      9: <link rel="canonical" href="https://www.openbsd.org/68.html">
                     10:
                     11: <h2 id=OpenBSD>
                     12: <a href="index.html">
                     13: <i>Open</i><b>BSD</b></a>
                     14: 6.8
                     15: </h2>
                     16:
                     17: <table>
                     18: <tr>
                     19: <td>
                     20: <a href="images/XXX.gif">
                     21: <img width="227" height="343" src="images/XXX-s.gif" alt="XXX"></a>
                     22: <td>
                     23: Released Oct XXX, 2020<br>
                     24: Copyright 1997-2020, Theo de Raadt.<br>
                     25: <br>
                     26: <br>
                     27: Artwork by XXX.
                     28: <br>
                     29: <ul>
                     30: <li>See the information on <a href="ftp.html">the FTP page</a> for
                     31:     a list of mirror machines.
                     32: <li>Go to the <code class=reldir>pub/OpenBSD/6.8/</code> directory on
                     33:     one of the mirror sites.
                     34: <li>Have a look at <a href="errata68.html">the 6.8 errata page</a> for a list
                     35:     of bugs and workarounds.
                     36: <li>See a <a href="plus68.html">detailed log of changes</a> between the
                     37:     6.7 and 6.8 releases.
                     38: <p>
                     39: <li><a href="https://man.openbsd.org/signify.1">signify(1)</a>
                     40:     pubkeys for this release:<p>
                     41:
                     42: <table class=signify>
                     43: <tr><td>
                     44: openbsd-68-base.pub:
                     45: <td>
                     46: <a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/openbsd-68-base.pub">
                     47: RWQZj25CSG5R2oLo5735Hh6C48kkjFsj5rJDjW+fGZwyY+BkD5/zps8f
                     48: <tr><td>
                     49: openbsd-68-fw.pub:
                     50: <td>
                     51: RWSYx4htNi/zavF8ZToMBDFz2xymRfFnnR1MEKV9csYbvnrTBwdkXhdy
                     52: <tr><td>
                     53: openbsd-68-pkg.pub:
                     54: <td>
                     55: RWQlDXyHx5KlPoEiz4yWRK/Gt/rvPwI8KEAt3utge/dBS7R+EscdzA5K
                     56: <tr><td>
                     57: openbsd-68-syspatch.pub:
                     58: <td>
                     59: RWRWuHkSV0U8PUX24vGa3ywrvKNQY6llV3PLvKEzDTiTVPfIRaXPfvzR
                     60: </table>
                     61: </ul>
                     62: <p>
                     63: All applicable copyrights and credits are in the src.tar.gz,
                     64: sys.tar.gz, xenocara.tar.gz, ports.tar.gz files, or in the
                     65: files fetched via <code>ports.tar.gz</code>.
                     66: </table>
                     67:
                     68: <hr>
                     69:
                     70: <section id=new>
                     71: <h3>What's New</h3>
                     72: <p>
                     73: This is a partial list of new features and systems included in OpenBSD 6.8.
                     74: For a comprehensive list, see the <a href="plus68.html">changelog</a> leading
                     75: to 6.8.
                     76:
                     77: <ul>
                     78:
                     79: <li>General improvements and bugfixes:
                     80:   <ul>
1.3       benno      81:        <li>Added support in the kernel and libc for timecounting in
                     82:        userland, eliminating the need for a context switch everytime a
                     83:        process requests the current time, thereby improving speed and
                     84:        responsiveness in programs which make many <a
                     85:        href="https://man.openbsd.org/gettimeofday">gettimeofday(2)</a> calls,
                     86:        especially browsers and office software.<br>The userland timecounters
                     87:        are enabled on the amd64, arm64, macppc, octeon and sparc64
                     88:        architectures.<span style="color:red;">verify architectures</span>
                     89:
1.1       benno      90:        <li>Set <a href="https://man.openbsd.org/ddb">ddb(4)</a> "/t" to show a trace via TID on all architectures.
                     91:        <li>Restored VGA fonts on VT switch, preventing an unusable screen when switching to a VT with a custom VGA font from X.
                     92:        <li>Fixed the <a href="https://man.openbsd.org/ksh">ksh(1)</a> exit code when evaluating a || compound list to prevent termination of the shell when running under -e.
                     93:        <li>Relaxed filename checks in <a href="https://man.openbsd.org/syspatch">syspatch(8)</a> to allow use of hyphens.
                     94:        <li>Rewrote m88k mutex code as a slight variation of the MI mutex code, potentially improving stability and rendering mutex spinning time visible in <a href="https://man.openbsd.org/top">top(1)</a>.
                     95:        <li>Corrected <a href="https://man.openbsd.org/getopt_long">getopt_long(3)</a> parsing of a trailing dash in an option group, which was being incorrectly returned as an argument.
                     96:        <li>Enabled building <a href="https://man.openbsd.org/wsmoused">wsmoused(8)</a> and <a href="https://man.openbsd.org/wsfontload">wsfontload(8)</a> on arm64 and armv7.
                     97:        <li>Added a new column to <a href="https://man.openbsd.org/wsfontload">wsfontload(8)</a> -l output to report the number of characters contained in a loaded font.
                     98:        <li>Fixed a panic in <a href="https://man.openbsd.org/wscons">wscons(4)</a>.
                     99:        <li>Prevented callers inspecting unrelated fields in the libc resolver function asr_run().
                    100:        <li>Prevented <a href="https://man.openbsd.org/rcs">rcs(1)</a> removal of locked revisions with rcs -orange, avoiding leaving behind a lock for a revision which no longer exists.
                    101:        <li>Provided an optimized implementation of <a href="https://man.openbsd.org/ffs">ffs(3)</a> in the kernel on arm64/powerpc/powerpc64.
                    102:        <li>Improved CPU frequency scaling in automatic performance mode by removing accounting for offline CPUs.
                    103:        <li>Fixed <a href="https://man.openbsd.org/sndiod">sndiod(8)</a> crashes when USB devices are disconnected.
                    104:        <li>Fixed the initial <a href="https://man.openbsd.org/sndiod">sndiod(8)</a> alternate device number, preventing device number 1 from being skipped on first use.
                    105:        <li>Allowed switching between alternate devices (-F) with <a href="https://man.openbsd.org/sndioctl">sndioctl(1)</a>.
                    106:        <li>Implemented the gensub(), systime() and strftime() functions for <a href="https://man.openbsd.org/awk">awk(1)</a>.
                    107:        <li>Stopped incrementing openclass for a literal "[" in <a href="https://man.openbsd.org/awk">awk(1)</a>, allowing parsing of expressions such as "/[[/[]/".
                    108:        <li>Added <a href="https://man.openbsd.org/intrmap_create">intrmap</a>, an interrupt to CPU mapping API that is used by hardware drivers to use multiple CPUs for interrupt handling.
                    109:        <li>Added an ioctl PCIOCGETVPD allowing userland to access read-only support information about pci devices via the vpd register.
                    110:        <li>Introduced <a href="https://man.openbsd.org/gettime">gettime(9)</a> and <a href="https://man.openbsd.org/getuptime">getuptime(9)</a> and substituted these for time_second(9) and time_uptime(9) throughout the kernel to prevent split-read problems on 32-bit platforms.
                    111:        <li>Fixed merging of files that lack newlines for <a href="https://man.openbsd.org/diff3">diff3(1)</a>, OpenRCS and OpenCVS.
                    112:        <li>Switched the default CDDB database for <a href="https://man.openbsd.org/cdio">cdio(1)</a> to gnudb.gnudb.org:8880.
                    113:        <li>Introduced a darker <a href="https://man.openbsd.org/xenodm">xenodm(1)</a> login widget and a lower contrast default background.
                    114:        <li>Prevented creation of bogus <a href="https://man.openbsd.org/sd">sd(4)</a> devices for <a href="https://man.openbsd.org/nvme">nvme(4)</a> namespaces which are configured but have size 0.
                    115:        <li>Initialized v4l2_requestbuffers for libv4l compatibility, allowing view of video encodings not directly supported by <a href="https://man.openbsd.org/video">video(1)</a>.
                    116:        <li>Added <a href="https://man.openbsd.org/video">video(1)</a> white balance temperature control through w/W keys.
                    117:        <li>Added the ability to set and display <a href="https://man.openbsd.org/video">video(1)</a> control values directly on the CLI.
                    118:        <li>Allowed the combination of <a href="https://man.openbsd.org/video">video(1)</a> "-dc" options, reset and display control values.
                    119:        <li>Added control for backlight compensation to <a href="https://man.openbsd.org/video">video(4)</a>.
                    120:        <li>Used an LFENCE instruction everywhere RDTSC is used for a time measurement, reducing the jitter in TSC skew measurements.
                    121:        <li>Prevented a core dump in <a href="https://man.openbsd.org/ftp">ftp(1)</a> during fetch abort.
                    122:        <li>Allowed specification of supported TLS protocols in <a href="https://man.openbsd.org/ftp">ftp(1)</a> "-S protocols".
                    123:        <li>Fixed an <a href="https://man.openbsd.org/xconsole">xconsole(1)</a> crash by starting it after setting the background.
                    124:        <li>Fixed <a href="https://man.openbsd.org/ls">ls(1)</a> -R mode to not display subdirectories of a directory beginning with '.' and ensure directory names are always displayed.
                    125:        <li>Introduced <a href="https://man.openbsd.org/kstat">kstat(1)</a>, a subsystem to allow the kernel to expose statistics to userland (and <a href="https://man.openbsd.org/kstat">kstat(8)</a>, the userland side).
                    126:        <li>Added <a href="https://man.openbsd.org/kstat">kstat(1)</a> -w option, allowing update and printing of stats at a specified wait interval.
                    127:        <li>Added kstat to <a href="https://man.openbsd.org/cnmac">cnmac(4)</a>.
                    128:        <li>Added tsc_delay(), a <a href="https://man.openbsd.org/delay">delay(9)</a> implementation based on the TSC, to amd64.
                    129:        <li>Synchronized each core's CP0 cycle counter using the IO clock counter on mips64 and octeon, making the cycle counter usable as timecounter.
                    130:        <li>Added support for set -o pipefail to <a href="https://man.openbsd.org/ksh">ksh(1)</a>, potentially helping error checking.
                    131:        <li>Taught <a href="https://man.openbsd.org/su">su(1)</a> -l -f to start a regular shell for non-csh shells rather than a login shell.
                    132:        <li>Enabled spleen16x32 and spleen32x64 fonts on armv7 for GENERIC kernels.
                    133:        <li>Implemented linear and power-of-two histograms in btrace(5).
                    134:        <li>Added <a href="https://man.openbsd.org/btrace">btrace(8)</a> -p flag to filter all actions by PID.
                    135:        <li>Enabled <a href="https://man.openbsd.org/btrace">btrace(8)</a>.
                    136:        <li>Added support for "&" and "|" operators in btrace scripts.
                    137:        <li>Used <a href="https://man.openbsd.org/su">su(1)</a> -fl to avoid sourcing the target user's .profile in <a href="https://man.openbsd.org/rc.d">rc.d(8)</a>/<a href="https://man.openbsd.org/rcctl">rcctl(8)</a>.
                    138:        <li>Added a <a href="https://man.openbsd.org/ktrace">ktrace(1)</a> -T option to make time-related system calls more prominent.
                    139:        <li>Switched the default pager from "<a href="https://man.openbsd.org/more">more(1)</a> -s" to <a href="https://man.openbsd.org/less">less(1)</a>.
                    140:        <li>Ensured only pseudo-terminal devices use reprint delays.
                    141:        <li>Prevented <a href="https://man.openbsd.org/mg">mg(1)</a> from running out of memory or segfaulting with <code>query-replace-regex ^</code>.
                    142:        <li>Prevented an <a href="https://man.openbsd.org/unveil">unveil(2)</a> failure with chdir / on <a href="https://man.openbsd.org/sensorsd">sensorsd(8)</a>.
                    143:        <li>Ported NetBSD's arm64 disassembler for <a href="https://man.openbsd.org/ddb">ddb(4)</a>.
                    144:        <li>Added / as an alias for g (grep) in <a href="https://man.openbsd.org/top">top(1)</a>.
                    145:        <li>Added support for remote coverage to <a href="https://man.openbsd.org/kcov">kcov(4)</a>.
                    146:        <li>Avoided reading one byte before the path buffer in <a href="https://man.openbsd.org/mountd">mountd(8)</a>.
                    147:        <li>Added the ability to filter which <a href="https://man.openbsd.org/kstat">kstat(1)</a> entries are displayed.
                    148:        <li>Moved <a href="https://man.openbsd.org/sysctl">sysctl(2)</a> CTL_DEBUG from DEBUG to the new DEBUG_SYSCTL.
                    149:        <li>Added <a href="https://man.openbsd.org/fstat">fstat(1)</a> support for looking up unix domain sockets by file name.
                    150:        <li>Fixed <a href="https://man.openbsd.org/make">make(1)</a> :S with anchors and replacement.
                    151:        <li>Imported <a href="https://man.openbsd.org/login_ldap">login_ldap(8)</a>, using <a href="https://man.openbsd.org/ldap">ldap(1)</a> rather than openldap.
                    152:        <li>Used READ(16)/WRITE(16) commands for disks large enough to require them to access the last sectors, fixing large 512E devices plugged into USB to ATA/ATAPI bridges which mistakenly use 4K sector addresses/sizes.
                    153:        <li>Fixed "$@" splitting with empty IFS in <a href="https://man.openbsd.org/ksh">ksh(1)</a>.
                    154:        <li>Prevented improper disabling of the backlight in <a href="https://man.openbsd.org/umstc">umstc(4)</a> when brightness is adjusted to 0.
1.7       jsg       155:        <li>Stopped <a href="https://man.openbsd.org/syslogd">syslogd(8)</a> from closing UDP sockets for sending messages when DNS lookup of a UDP loghost fails, allowing them to be used to send if DNS is working during the next SIGHUP.
1.1       benno     156:        <li>Prevented established TCP and TLS sockets of <a href="https://man.openbsd.org/syslogd">syslogd(8)</a> from staying open forever if a client aborted the connection silently.
                    157:        <li>Provided a naptime variable for userspace via <a href="https://man.openbsd.org/kvm_read">kvm_read(3)</a>, usable by <a href="https://man.openbsd.org/vmstat">vmstat(8)</a>.
                    158:        <li>Cleared the screen in <a href="https://man.openbsd.org/ksh">ksh(1)</a>'s vi editing mode before redrawing the line with ^L.
                    159:        <li>Made <a href="https://man.openbsd.org/apmd">apmd(8)</a> always ask the kernel about current hw.perfpolicy rather than maintaining state.
                    160:        <li>Reworked kernel loading with <a href="https://man.openbsd.org/octboot">octboot(4)</a>, which now does not rely on a mounted filesystem.
                    161:        <li>Converted macppc, octeon and loongson to use machine-independent installboot.
                    162:        <li>Forced long-names on msdos filenames for installboot on most 32-bit architectures.
                    163:        <!-- FFS2 -->
                    164:        <li>Improvements in the FFS2 filesystem:
                    165:        <ul>
                    166:          <li>Made FFS2 the default for <a href="https://man.openbsd.org/newfs">newfs(8)</a>, except for mfs.
                    167:          <li>Enabled the FFS2 option on the luna88k ramdisk.
                    168:          <li>Made FFS2 the default non-root filesystems on landisk, sgi and luna88k.
                    169:        </ul>
                    170:     <li>
                    171:   </ul>
                    172:   </ul>
                    173:
                    174: <li>SMP-Improvements:
                    175:   <ul>
                    176:     <li>
                    177:   </ul>
                    178:
                    179: <li>Improved hardware support and driver bugfixes, including:
                    180:   <ul>
                    181:        <li>Enabled scrollback in <a href="https://man.openbsd.org/simplefb">simplefb(4)</a>.
                    182:        <li>Fixed display glitches on smaller screens or with larger fonts in <a href="https://man.openbsd.org/efifb">efifb(4)</a> associated with remapping and attaching.
                    183:        <li>Disabled <a href="https://man.openbsd.org/ohci">ohci(4)</a> on the amd64 ramdisk kernel.
                    184:        <li>Improved reporting of remaining power with batteries of different capacities in <a href="https://man.openbsd.org/acpi">acpi(4)</a>.
                    185:        <li>Added support for the ThingM blink(1) USB notification light.
                    186:        <li>Fixed bogus frame sizes being returned by <a href="https://man.openbsd.org/xhci">xhci(4)</a>.
                    187:        <li>Added an ASMedia ASM1182e PCIe switch <a href="https://man.openbsd.org/pci">pci(4)</a> id.
                    188:        <li>Added <a href="https://man.openbsd.org/wsmoused">wsmoused(8)</a> support to <a href="https://man.openbsd.org/efifb">efifb(4)</a>.
                    189:        <li>Added <a href="https://man.openbsd.org/umstc">umstc(4)</a>, a driver for Microsoft Surface Type Cover keyboards.
                    190:        <li>Introduced <a href="https://man.openbsd.org/acpihid">acpihid(4)</a> for ACPI HID event and 5-button array devices.
                    191:        <li>Moved Powerbook5,4 audio from <a href="https://man.openbsd.org/aoa">aoa(4)</a> to <a href="https://man.openbsd.org/snapper">snapper(4)</a>, adding the missing TAS3004 volume control.
                    192:        <li>Added Intel 200 Series HD Audio <a href="https://man.openbsd.org/pci">pci(4)</a> id.
                    193:        <li>Fixed broken HID descriptors of Elecom trackballs with 6 or 8 buttons.
                    194:        <li>Added RK3328 PWM, also found in the RK3308, to <a href="https://man.openbsd.org/rkpwm">rkpwm(4)</a>.
                    195:        <li>Added RK3308 temperature sensors to <a href="https://man.openbsd.org/rktemp">rktemp(4)</a>.
                    196:        <li>Added <a href="https://man.openbsd.org/pcamux">pcamux(4)</a>, a driver for the PCA8548 I2C switch.
1.6       jsg       197:        <li>Introduced a framework for digital audio interfaces, and added <a href="https://man.openbsd.org/simpleaudio">simpleaudio(4)</a>, a driver for "simple audio cards." This is a wrapper connecting the I2S controller, the codec and some aux devices, and <a href="https://man.openbsd.org/simpleamp">simpleamp(4)</a>, a driver for "simple audio amplifier," one of the aux devices for <a href="https://man.openbsd.org/simpleaudio">simpleaudio(4)</a>.
1.1       benno     198:        <li>Enabled <a href="https://man.openbsd.org/nvme">nvme(4)</a> on i386.
                    199:        <li>Added support for the Ericsson F5521gw Mobile Broadband Modem.
                    200:        <li>Implemented pci_intr_establish_cpu() for <a href="https://man.openbsd.org/pyro">pyro(4)</a> and <a href="https://man.openbsd.org/vpci">vpci(4)</a>-based sparc64 systems.
                    201:        <li>Ensured the STOP command sent by <a href="https://man.openbsd.org/sd">sd(4)</a> on powerdown will not result in hanging the machine if commands to the USB mass storage fail.
                    202:        <li>Fixed intermittent failing <a href="https://man.openbsd.org/pms">pms(4)</a> device initialization seen on some Synaptics devices.
                    203:        <li>Corrected trackstick/button attachment of Windows Precision Touchpad <a href="https://man.openbsd.org/imt">imt(4)</a> devices, fixing behavior on certain Dell Latitude laptops.
                    204:        <li>Improved speed of scrolling by optimizing <a href="https://man.openbsd.org/rasops">rasops(9)</a> write-only framebuffer console.
                    205:        <li>Added support for routing interrupts to other CPUs in <a href="https://man.openbsd.org/ampintc">ampintc(4)</a> and <a href="https://man.openbsd.org/agintc">agintc(4)</a>.
                    206:        <li>Modified <a href="https://man.openbsd.org/uvideo">uvideo(4)</a> to fix webcam detection in Firefox 78.
                    207:        <li>Added a SENSOR_ENERGY sensor type to the <a href="https://man.openbsd.org/sensor_attach">sensors framework API</a> which uses microjoules.
                    208:        <li>Added support for the AMDI0010 touchpad on the Inspiron 5505.
                    209:        <li>Avoided nvram lock timeout on sparc64 systems with onboard BCM5704 <a href="https://man.openbsd.org/bge">bge(4)</a> instances that come without a fitted EEPROM/NVRAM.
                    210:        <li>Added support for Gear Head keyboards.
                    211:        <li>Added <a href="https://man.openbsd.org/pms">pms(4)</a> support for the Elantech v1 touchpad with firmware version 0x20022.
                    212:        <li>Added <a href="https://man.openbsd.org/sdmmc">sdmmc(4)</a> support for eMMC HS200 mode.
                    213:        <li>Added Exar XR17V35x serial port support.
                    214:        <li>Properly implemented <a href="https://man.openbsd.org/amlmmc">amlmmc(4)</a> setting of signal voltage.
                    215:        <li>Implemented UHS-I support in the <a href="https://man.openbsd.org/sdmmc">sdmmc(4)</a> midlayer and enabled it in <a href="https://man.openbsd.org/amlmmc">amlmmc(4)</a>.
                    216:        <li>Allowed theoretical multiple attachment of <a href="https://man.openbsd.org/asmc">asmc(4)</a> controllers.
                    217:        <li>Introduced <a href="https://man.openbsd.org/abl">abl(4)</a>, a new driver to control the backlight brightness on Intel-based Apple machines, and allowed it to be controlled through <a href="https://man.openbsd.org/wsconsctl">wsconsctl(8)</a>.
                    218:        <li>Disabled <a href="https://man.openbsd.org/acpivout">acpivout(4)</a> brightness control on machines aware of Windows 8, enabling inteldrm to handle brightness ioctls.
                    219:        <li>Fixed <a href="https://man.openbsd.org/eeprom">eeprom(8)</a> error when setting variables on macppc.
1.4       jsg       220:        <li>Updated <a href="https://man.openbsd.org/drm">drm(4)</a> to Linux 5.7.19.
1.1       benno     221:   </ul>
                    222: <li>New or improved network hardware support:
                    223:   <ul>
                    224:          <li>Enabled multiple queues on <a href="https://man.openbsd.org/vmx">vmx(4)</a>, VMware VMXNET3 Virtual Interface Controller.
                    225:          <li>Added support for hardware vlan tagging to <a href="https://man.openbsd.org/mcx">mcx(4)</a>.
                    226:          <li>Fixed a crash in <a href="https://man.openbsd.org/re">re(4)</a>.
1.7       jsg       227:          <li>Added <a href="https://man.openbsd.org/bge">bge(4)</a> support for the BCM5719 A1 Ethernet controller.
1.1       benno     228:          <li>Handled AGL interfaces on octeon, making management network ports usable on some machines.
                    229:          <li>Implemented rss/toeplitz support for <a href="https://man.openbsd.org/ixl">ixl(4)</a> 710 chips.
                    230:          <li>Added support for the <a href="https://man.openbsd.org/mcx">mcx(4)</a> ConnectX-6 Dx.
                    231:          <li>Fixed a potential crash when bringing down an <a href="https://man.openbsd.org/mcx">mcx(4)</a> interface.
                    232:          <li>Enabled multiq support for <a href="https://man.openbsd.org/ix">ix(4)</a>.
                    233:          <li>Increased the <a href="https://man.openbsd.org/mcx">mcx(4)</a> event queue size, preventing a potential interrupt storm on the ConnectX-4.
                    234:          <li>Fixed outbound <a href="https://man.openbsd.org/bpf">bpf(4)</a> tap on <a href="https://man.openbsd.org/ogx">ogx(4)</a> interfaces.
                    235:          <li>Improved <a href="https://man.openbsd.org/ure">ure(4)</a> TX performance by combining multiple packets into one xfer as possible.
                    236:   </ul>
                    237: <li>Added or improved wireless network drivers:
                    238:   <ul>
                    239:          <li>Added support to <a href="https://man.openbsd.org/urtwn">urtwn(4)</a> for TP-Link TL-WN822N-EU v5 (and v4).
                    240:          <li>Added WPA2 (CCMP) crypto offload support to <a href="https://man.openbsd.org/iwx">iwx(4)</a>.
                    241:          <li>Fixed a fatal firmware error at run-time on <a href="https://man.openbsd.org/iwx">iwx(4)</a>.
                    242:          <li>Added <a href="https://man.openbsd.org/bwfm">bwfm(4)</a> support for BCM4359 SDIO variants such as the AP6359SA module found on the RockPro64 WiFi module.
                    243:          <li>Enabled critical temperature detection in <a href="https://man.openbsd.org/iwx">iwx(4)</a> firmware.
                    244:          <li>Fixed mbuf leak in <a href="https://man.openbsd.org/urtwn">urtwn(4)</a> with frames CCMP-encrypted by hardware.
                    245:          <li>Added support for the D-Link DWA-121 rev B1 <a href="https://man.openbsd.org/urtwn">urtwn(4)</a> device.
                    246:          <li>Repaired <a href="https://man.openbsd.org/athn">athn(4)</a> in client mode against WPA2 access points.
                    247:          <li>Switched <a href="https://man.openbsd.org/iwx">iwx(4)</a> from -46 to -48 firmware.
                    248:          <li>Fixed <a href="https://man.openbsd.org/athn">athn(4)</a> use with WPA2 APs.
                    249:          <li>Enabled background scanning on <a href="https://man.openbsd.org/iwx">iwx(4)</a> devices.
                    250:          <li>Added <a href="https://man.openbsd.org/rge">rge(4)</a> support for newer RTL8125 chipset (RTL8125B).
                    251:          <li>Fixed gain calibration for some <a href="https://man.openbsd.org/iwn">iwn(4)</a> devices (5000 and up).
                    252:          <li>Added support for AX201 devices to <a href="https://man.openbsd.org/iwx">iwx(4)</a>.
                    253:          <li>Added support for the RK3308 MAC to <a href="https://man.openbsd.org/dwge">dwge(4)</a>.
                    254:   </ul>
                    255:
                    256: <li>Removed hardware support
                    257:   <ul>
                    258:        <li>
                    259:   </ul>
                    260:
                    261:
                    262: <li>The powerpc64 architecture was added:<span style="color:red;">maybe shorten this and add a text about current status instead?</span>
                    263:   <ul>
                    264:        <li>Began initial development of an OpenBSD/powerpc64 port.
                    265:        <li>Added IBM POWER9 host bridge <a href="https://man.openbsd.org/pci">pci(4)</a> id.
                    266:        <li>Added <a href="https://man.openbsd.org/opal">opal(4)</a>, a driver that interacts with the OPAL firmware on powerpc64 and implements RTC functionality.
                    267:        <li>Added support for the XIVE interrupt controller found on POWER9 CPUs.
                    268:        <li>Increased the buffer size for OFW parameter name strings, making it possible to dump the full device tree on POWER9 systems using eeprom -p.
                    269:        <li>Added powerpc64 FDT interrupt support.
                    270:        <li>Introduced an initial bootloader for OpenBSD/powerpc64.
                    271:        <li>Added installboot powerpc64 support.
                    272:        <li>Added initial powerpc64 X sets.
                    273:        <li>Passed boothowto and bootduid parameters to the booted powerpc64 kernel via the device tree.
                    274:        <li>Improved the powerpc64 kernel linker script and installed proper page protections via pmap_bootstrap().
                    275:        <li>Enabled <a href="https://man.openbsd.org/xhci">xhci(4)</a> in the powerpc64 BOOT kernel.
                    276:        <li>Introduced powerpc64 GENERIC.MP and bsd.mp.
                    277:        <li>Implemented IPIs on powerpc64.
                    278:        <li>Increased the powerpc64 MAXCPUS to 48, the maximum cores available in any POWER9 system.
                    279:        <li>Added additional scsi devices on powerpc64.
                    280:        <li>Added powerpc64 cd9660, msdos and inet6 ramdisk support.
                    281:        <li>Built installXX.{img,iso} powerpc64 files.
                    282:        <li>Introduced <a href="https://man.openbsd.org/xicp">xicp(4)</a>, a driver for the interrupt control presenter hardware found on POWER8 CPUs.
                    283:        <li>Added powerpc support for POWER8 CPUs.
                    284:        <li>Added support for IODA2 bridges such as those found on POWER8 chips.
                    285:        <li>Added powerpc64 support for "normal" external interrupts, needed for running POWER8 and earlier CPUs.
                    286:        <li>Added support for the IBM POWER8 host bridge.
                    287:        <li>Improved detection of the proper powerpc64 boot device by choosing the disk matching the bootduid of the boot kernel.
                    288:        <li>Added <a href="https://man.openbsd.org/mpii">mpii(4)</a> to powerpc64.
                    289:        <li>Used an IPI on powerpc64 so hw.setperf affects all cores in the mp kernel.
                    290:   </ul>
                    291:
                    292:
                    293: <li>New <a href="https://www.openbsd.org/arm64.html">arm64</a> and <a
                    294:        href="https://www.openbsd.org/armv7.html">armv7</a> hardware support
                    295:        and bugfixes, including:
                    296:   <ul>
                    297:        <li>Added <a href="https://man.openbsd.org/amlpwrc">amlpwrc(4)</a>, a driver for the power domain controller found on Amlogic SoCs.
1.7       jsg       298:        <li>Made OpenBSD boot on the ODROID-C4 with power domain in <a href="https://man.openbsd.org/amldwusb">amldwusb(4)</a>.
1.1       benno     299:        <li>Added support for the SD card detect pins on the Turris Mox.
1.7       jsg       300:        <li>Added support for the Marvell Xenon SDHC, used as storage on the Armada 3700 and 8040 SoCs. This should make eMMC/SD show up on the MACCHIATObin.
                    301:        <li>Opened up a 4GB memory bus window for <a href="https://man.openbsd.org/mvneta">mvneta(4)</a> on the Marvell Armada 3700, making the second Ethernet controller/port work on the Turris Mox.
1.1       benno     302:        <li>Added <a href="https://man.openbsd.org/mvkpcie">mkvpcie(4)</a>, a driver for the Aardvark PCIe controller found on the Armada 3700 SoC.
                    303:        <li>Adjusted <a href="https://man.openbsd.org/dwpcie">dwpcie(4)</a> timing to improve likelihood of a successful PCIe link on the i.MX8MM. Avoids a failure to detect <a href="https://man.openbsd.org/em">em(4)</a> on the HummingBoard Pulse.
1.7       jsg       304:        <li>Added support for the Cortex-A78 CPU.
1.1       benno     305:        <li>Added Marvel 88SE9215 and 88SE9235 AHCI <a href="https://man.openbsd.org/pci">pci(4)</a> ids.
                    306:        <li>Added <a href="https://man.openbsd.org/cwfg">cwfg(4)</a>, a driver for the Cellwise CW201x fuel gauge on the Pinebook Pro.
                    307:        <li>Populated a list of 256 brightness levels as a fallback when the device tree does not specify a list, making the Pinebook Pro display work with the dtb from Linux 5.7.
                    308:        <li>Added <a href="https://man.openbsd.org/escodec">escodec(4)</a>, a driver for the Everest ES8316 audio codec used on the Pinebook Pro.
1.6       jsg       309:        <li>Added <a href="https://man.openbsd.org/rkiis">rkiis(4)</a>, a driver for the I2S controller found on the Rockchip RK3399.
1.1       benno     310:        <li>Fixed an <a href="https://man.openbsd.org/sdhc">sdhc(4)</a> panic on the MACCHIATObin due to unaligned memory access.
                    311:        <li>Added <a href="https://man.openbsd.org/bcmtmon">bcmtmon(4)</a>, a driver for the temperature sensor on the Raspberry Pi 4.
                    312:        <li>Introduced <a href="https://man.openbsd.org/opalcons">opalcons(4)</a>, a driver for the OPAL console.
                    313:        <li>Introduced <a href="https://man.openbsd.org/mvpp">mvpp(4)</a>, a driver for the Marvell Packet Processor v2 as used on the Armada 7K and 8K SoCs.
                    314:        <li>Introduced <a href="https://man.openbsd.org/opalsens">opalsens(4)</a>, a driver for sensors provided by the OPAL firmware.
                    315:        <li>Introduced <a href="https://man.openbsd.org/xics">xics(4)</a>, a driver for the OPAL virtual ICS.
                    316:        <li>Improved PLL1(CPU_PLL) stability for the Allwinner H3/H2+.
                    317:   </ul>
                    318:
                    319: <li>IEEE 802.11 wireless stack improvements and bugfixes:
                    320:   <ul>
                    321:        <li>Fixed CCMP replay checks with 11n Rx aggregation and CCMP hardware offloading.
                    322:        <li>Offloaded CCMP (WPA2) encryption and decryption to <a href="https://man.openbsd.org/iwm">iwm(4)</a> hardware, reducing CPU load during traffic bursts.
                    323:        <li>Adjusted to complete group key renewal immediately if no station is associated when ieee80211_proto.c runs.
                    324:        <li>Improved processing of lost frames during 802.11 Rx aggregation.
                    325:        <li>Allowed passage of unencrypted 802.11 frames during hardware decryption post-processing, fixing failure of some <a href="https://man.openbsd.org/ral">ral(4)</a> devices to receive packets on encrypted networks.
                    326:        <li>Prevented a fatal <a href="https://man.openbsd.org/iwx">iwx(4)</a> firmware error when the driver moves out of AUTH state.
                    327:        <li>Prevented a panic where <a href="https://man.openbsd.org/athn">athn(4)</a> attempted to transmit old, unencryptable frames after switching to a new group key in hostap mode.
                    328:        <li>Prevented a use-after-free when a wireless device is detached.
                    329:   </ul>
                    330:
                    331: <li>Generic network stack improvements and bugfixes:
                    332:   <ul>
                    333:        <!-- carp and pf -->
                    334:        <li>Implemented a <a href="https://man.openbsd.org/carp">carp(4)</a> transmit bypassing the ifq on output, enqueuing the packet directly on the parent interface.
                    335:        <li>Fixed <a href="https://man.openbsd.org/pf.conf">pf.conf(5)</a> "route-to TABLE least-states" in an anchor.
                    336:        <li>Allowed <a href="https://man.openbsd.org/pf">pf(4)</a> to divert packets from <a href="https://man.openbsd.org/bridge">bridge(4)</a> to local socket.
                    337:        <li>Rehashed main <a href="https://man.openbsd.org/pf">pf(4)</a> rulesets after rule expiration.
                    338:        <li>Added a check for <a href="https://man.openbsd.org/pfctl">pfctl(8)</a> that an rtable exists when parsing the config.
                    339:        <!-- wg -->
1.7       jsg       340:        <li>Added <a href="https://man.openbsd.org/wg">wg(4)</a>, an in-kernel driver for WireGuard VPN communication.
1.1       benno     341:        <!-- network pseudo drivers and other kernel network internals -->
                    342:        <li>Protected the whole <a href="https://man.openbsd.org/pipex">pipex(4)</a> layer by NET_LOCK().
                    343:        <li>Stopped creation of non-existent <a href="https://man.openbsd.org/bridge">bridge(4)</a> interfaces.
                    344:        <li>Added a symmetric toeplitz implementation with integration for nics, usable through the <a href="https://man.openbsd.org/stoeplitz_to_key">stoeplitz_to_key(9)</a> hash algorithm API.
                    345:        <li>Changed <a href="https://man.openbsd.org/tpmr">tpmr(4)</a> from ifconfig [-]trunkport to add|del synopsis.
                    346:        <li>Filtered vlan and svlan packets by default for <a href="https://man.openbsd.org/tpmr">tpmr(4)</a>.
                    347:        <li>Implemented IPv6 source address selection as outlined in RFC 6724 section 5.
                    348:        <li>Set IPv6 source address selection to prefer the address with the highest preferred lifetime in case of a tie.
                    349:        <li>Stopped preventing TCP connections to IPv6 anycast addresses.
                    350:        <li>Added the <a href="https://man.openbsd.org/pcap-filter">pcap-filter(5)</a> "sample NUM" primitive to allow capture of 1/NUM packets.
                    351:        <li>Added a <a href="https://man.openbsd.org/man4/route.4">ROUTE_FLAGFILTER</a> socket option for routing sockets, allowing routing daemons to opt out of receiving messages for L2 and broadcast route entries.
                    352:        <li>Allowed SIOCSWGDPID and SIOCSWGMAXFLOW ioctls for non-root, preventing <a href="https://man.openbsd.org/switch">switch(4)</a> interfaces from appearing partially as <a href="https://man.openbsd.org/bridge">bridge(4)</a> devices for unprivileged users running <a href="https://man.openbsd.org/ifconfig">ifconfig(8)</a>.
                    353:        <li>Modified <a href="https://man.openbsd.org/trunk">trunk(4)</a> to keep port interfaces UP on removal, matching <a href="https://man.openbsd.org/aggr">aggr(4)</a> behavior.
                    354:   </ul>
                    355:
                    356: <li>Installer improvements:
                    357:   <ul>
                    358:        <li>sysupgrade(8) can now be used on systems with multiple installations and boot disks.<span style="color:red;">needs check</span>
                    359:        <li>Ensured <a href="https://man.openbsd.org/sysupgrade">sysupgrade(8)</a> on systems with multiple root disks will proceed on the disk with auto_upgrade.conf present.
                    360:        <li>Changed install images called *.fs to *.img to accommodate some UEFI bootloaders.
                    361:   </ul>
                    362:
                    363: <li>Security improvements:
                    364:   <ul>
                    365:     <li>Added RB_GOODRANDOM passed from bootloader to kernel in boothowto, indicating confidence a "great seed" was loaded.
                    366:     <li>Passed boothowto from the sparc64 bootloader to the kernel using .openbsd.bootdata.
                    367:     <li>Introduced detection of /etc/random.seed reuse.
                    368:     <li>Rewrote the entropy enqueue ring to collect damage asynchronously and adapted the dequeue to mix a selection of "best" ring entries, exponentially backing off the dequeue timeout, to compensate rapidly for weak seeding in unidentifiable conditions and ensure quality to arc4random() calls early in boot.
                    369:     <li>Enabled PAN (Privileged Access Never) on arm64 CPUs supporting it.
                    370:     <li>Skipped scanning file systems which are both nodev and nosuid for SUID, SGID and device files with <a href="https://man.openbsd.org/security">security(8)</a>.
                    371:
                    372:
                    373:     <li>The following security bugs were addressed:
                    374:       <ul>
                    375:        <li>Fixed two out-of-bounds array accesses in ioctl code pathways in
                    376:                <a href="https://man.openbsd.org/wscons">wscons(4)</a>.
                    377:        <li>Fixed information leak in semctl SEM_GET.
                    378:        <li>Prevented root from freezing the UTC clock with <a href="https://man.openbsd.org/settimeofday">settimeofday(2)</a> at securelevel 2.
                    379:        <li>Fixed performance problems relating to tty subsystem abuse.<!-- tty.c,v 1.158 2020/07/14 14:33:03 deraadt -->
                    380:        <li>Fixed heap corruption in the X input method client in libX11.
                    381:        <li>Fixed potential information leak via X server pixel data uninitialized memory.
                    382:        <li>Fixed a race condition for isoc devices during device close.
                    383:        <li>Fixed an integer overflow in libX11 which could lead to a double free.
                    384:        <li>Corrected multiple input validation deficits in X server extensions.
                    385:       </ul>
                    386:   </ul>
                    387:
                    388: <li>Routing daemons and other userland network improvements:
                    389:   <ul>
                    390:       <!-- bgpd -->
                    391:        <li>In <a href="https://man.openbsd.org/bgpctl">bgpctl(8)</a>, the
                    392:            "reload" command now takes a 'reason' argument to use as
1.7       jsg       393:            Administrative Shutdown Communication to its neighbors.
1.1       benno     394:        <li>Added <a href="https://man.openbsd.org/bgpctl">bgpctl(8)</a>
                    395:            support for VPNv6 in the family option of the "show rib" command.
                    396:       <!-- OSPF -->
                    397:        <li>Improve performance of <a href="https://man.openbsd.org/ospfd">ospfd(8)</a>, <a href="https://man.openbsd.org/ospf6d">ospf6d(8)</a> by using the ROUTE_FLAGFILTER setsockopt to filter out routing socket messages
                    398:            for L2 and broadcast routes.
                    399:       <!-- ldap -->
                    400:        <li>Modified <a href="https://man.openbsd.org/ldapd">ldapd(8)</a> use of "ldaps" and "tls" keywords to enable only the libtls defaults for protocols and ciphers. The new "legacy" keyword can be used before these keywords in <a href="https://man.openbsd.org/ldapd.conf">ldapd.conf(5)</a> to enable them all.
                    401:        <li>Added a bsd.schema to <a href="https://man.openbsd.org/ldapd">ldapd(8)</a> including a shadowPassword and an sshPublicKey attribute which can be used to extend existing LDAP users with the additional bsdAccount objectclass.
                    402:       <!-- snmpd -->
                    403:        <li>Removed support for the socket keyword in <a href="https://man.openbsd.org/snmpd.conf">snmpd.conf(5)</a>.
                    404:        <li>Allowed <a href="https://man.openbsd.org/snmp">snmp(1)</a> mibtree to take one or more arguments to be converted to a chosen output format.
                    405:       <!-- httpd and relayd -->
                    406:        <li>Introduced a "dark mode" for directory listings and error pages in <a href="https://man.openbsd.org/httpd">httpd(8)</a>.
                    407:        <li>Allowed specifying -d multiple times in <a href="https://man.openbsd.org/slowcgi">slowcgi(8)</a>.
                    408:        <li>Added <a href="https://man.openbsd.org/unveil">unveil(2)</a> to the main process of <a href="https://man.openbsd.org/relayd">relayd(8)</a>.
                    409:        <li>Added support for non-localhost fastcgi sockets to <a href="https://man.openbsd.org/httpd.conf">httpd.conf(5)</a>.
                    410:       <!-- rpki-client -->
                    411:        <li>Fixed a hang in <a href="https://man.openbsd.org/rpki-client">rpki-client(8)</a> by properly waiting for exiting <a href="https://man.openbsd.org/openrsync">openrsync(1)</a> processes.
                    412:        <li>Removed the -f (force) option in <a href="https://man.openbsd.org/rpki-client">rpki-client(8)</a>.
1.7       jsg       413:        <li>Fixed <a href="https://man.openbsd.org/rpki-client">rpki-client(8)</a> return value check for OpenSSL API used during pubkey validation.
1.1       benno     414:        <li>Released <a href="https://man.openbsd.org/rpki-client">rpki-client(8)</a> 6.7p1 including OpenBSD 6.7 Errata 015.
                    415:        <li>Changed <a href="https://man.openbsd.org/rpki-client">rpki-client(8)</a> -n behavior to automatically validate the repo.
                    416:        <li>Added a "-s timeout" feature to <a href="https://man.openbsd.org/rpki-client">rpki-client(8)</a> with a one hour default, allowing fresh attempts with <a href="https://man.openbsd.org/cron">cron(8)</a> if rpki-client gets stuck.
                    417:       <!-- other userland -->
                    418:         <li>Added an optional "domain name" <a href="https://man.openbsd.org/acme-client.conf">acme-client.conf(5)</a> option allowing use of multiple domain sections with the same name and creation of an rsa and an ecdsa key for the same domain name.
                    419:        <li>Added <a href="https://man.openbsd.org/netstat">netstat(1)</a> -R to show a summary of rdomains with associated interfaces and tables.
                    420:        <li>Defaulted to showing full IPv6 address entries in the routing tables displayed by <a href="https://man.openbsd.org/route">route(8)</a> show and <a href="https://man.openbsd.org/netstat">netstat(1)</a> -r.
                    421:        <li>Fixed <a href="https://man.openbsd.org/dhclient">dhclient(8)</a> domain-search option processing.
                    422:        <li>Corrected <a href="https://man.openbsd.org/route">route(8)</a> handling of ::/0 and "route add -inet 0.0.0.0 -prefixlen 0 (gateway)".
                    423:        <li>Added initial <a href="https://man.openbsd.org/tcpdump">tcpdump(8)</a> support for handling geneve packets.
                    424:        <li>Added <a href="https://man.openbsd.org/top">top(1)</a> "t" to toggle the display of routing tables.
                    425:        <li>Added filtering by routing table to <a href="https://man.openbsd.org/top">top(1)</a>.
                    426:        <li>Moved <a href="https://man.openbsd.org/ntpd">ntpd(8)</a> to unsynced mode if no replies are received for awhile due to connectivity issues.
                    427:        <li>Made <a href="https://man.openbsd.org/slaacd">slaacd(8)</a> handle IPv6 address configuration in all rdomains in a single daemon, instead of running one daemon per rdomain.
                    428:        <li>Added an explanation for <a href="https://man.openbsd.org/acme-client">acme-client(1)</a> account creation failure.
                    429:   </ul>
                    430:
                    431: <li><a href="https://man.openbsd.org/ipsec">ipsec(4)</a> (and related userland programs) improvements and
                    432:     bugfixes:
                    433:   <ul>
                    434:        <li>Fixed an <a href="https://man.openbsd.org/iked">iked(8)</a> policy lookup edge case for simultaneous transport and tunnel mode SAs.
                    435:        <li>Added AES-GCM mode ciphers for IKEv2, configurable in <a href="https://man.openbsd.org/iked.conf">iked.conf(5)</a> with the new "ikesa enc" options aes-128-gcm, aes-256-gcm, aes-128-gcm-12 and aes-256-gcm-12.
                    436:        <li>Fixed <a href="https://man.openbsd.org/iked">iked(8)</a> public key authentication interoperability with *swan and other IKEv2 implementations by making CERT and CERTREQ payloads optional.
                    437:        <li>Prioritized incoming certificate requests by the order of CERTEQ payloads in the received message in <a href="https://man.openbsd.org/iked">iked(8)</a>.
                    438:        <li>Added optional <a href="https://man.openbsd.org/iked">iked(8)</a> time-stamp validation for OCSP.
                    439:        <li>Prevented concurrent CREATE_CHILD_SA and INFORMATION exchanges in <a href="https://man.openbsd.org/iked">iked(8)</a>.
                    440:        <li>Added the new <a href="https://man.openbsd.org/iked">iked(8)</a> configuration option "set enforcesingleikesa" to limit the number of connections for each peer.
                    441:        <li>Added a dpd_check_interval configuration option to <a href="https://man.openbsd.org/iked.conf">iked.conf(5)</a>.
                    442:        <li>Allowed disabling of <a href="https://man.openbsd.org/iked">iked(8)</a> DPD liveness checks by setting dpd_check_interval to 0 in <a href="https://man.openbsd.org/iked.conf">iked.conf(5)</a>.
                    443:        <li>Added a 30 second timeout for OCSP requests in <a href="https://man.openbsd.org/iked">iked(8)</a>.
                    444:        <li>Added a new "set cert_partial_chain" config option to <a href="https://man.openbsd.org/iked.conf">iked.conf(5)</a> to allow verification of partial certificate chains if a trusted intermediate CA is found in /etc/iked/ca.
                    445:   </ul>
                    446:
                    447: <li><a href="https://man.openbsd.org/tmux">tmux(1)</a> improvements and bug fixes:
                    448:   <ul>
                    449:        <li>Added -W and -T flags to command-prompt to only complete a window and a target.
                    450:        <li>Added the 'e' key in buffer mode to open the buffer in an editor.
                    451:        <li>Added -e for new-session to set environment variables.
                    452:        <li>Changed refresh-client -F to -f and added -f flags to attach-session and switch-client.
                    453:        <li>Added M-+ and M-- to expand and collapse all items in tree mode.
                    454:        <li>Added a customize mode (C) where keys and options can be browsed and changed.
                    455:        <li>Added a -D flag to run in non-daemonized mode.
                    456:        <li>Added a client flag 'active-pane' which stores the active pane in the client and allows it to be changed independently from the real active pane stored in the window.
                    457:        <li>Added an option to set the pane border lines style as single lines, double or heavy, simple or number (the pane numbers).
                    458:        <li>Added support for pausing a <a href="https://man.openbsd.org/tmux">tmux(1)</a> pane when the output buffered for a control mode client is too far behind, controllable with refresh-client -f and -A.
                    459:        <li>Added a <a href="https://man.openbsd.org/tmux">tmux(1)</a> -A option to pause a pane manually.
                    460:        <li>Added <a href="https://man.openbsd.org/tmux">tmux(1)</a> -b flags to insert a window before (like the existing -a for after) to break-pane, move-window and new-window.
                    461:        <li>Added d and D keys to <a href="https://man.openbsd.org/tmux">tmux(1)</a> customize mode to reset to defaults.
                    462:        <li>Corrected handling of padding cells while searching in <a href="https://man.openbsd.org/tmux">tmux(1)</a>.
                    463:        <li>Added <a href="https://man.openbsd.org/tmux">tmux(1)</a> -d option to display-message to set delay.
                    464:        <li>Changed <a href="https://man.openbsd.org/tmux">tmux(1)</a> searching to behave more like emacs and prevented regex searching from overlapping when searching forward.
                    465:        <li>Added the <a href="https://man.openbsd.org/tmux">tmux(1)</a> n: modifier to get the length of a format.
                    466:        <li>Allowed a-z keys for <a href="https://man.openbsd.org/tmux">tmux(1)</a> display-panes to jump to higher-numbered panes.
                    467:        <li>Allowed use of -N without a command to change or add a note to an existing key in <a href="https://man.openbsd.org/tmux">tmux(1)</a>.
                    468:   </ul>
                    469:
                    470: <li>VMM/VMD and ldom/sparc64 virtualization improvements
                    471:   <ul>
                    472:        <li>Made <a href="https://man.openbsd.org/ldomctl">ldomctl(8)</a> "init-system -n" check vcpu and memory constraints.
                    473:        <li>Increased the default number of ldom and ttyV devices for sparc64 from eight to sixteen.
                    474:        <li>Fixed <a href="https://man.openbsd.org/vmd">vmd(8)</a> ns8250 lockup due to a race condition, helping to prevent linux vm crashes when the return key is held on boot.
                    475:        <li>Prevented possible libevent state corruption in <a href="https://man.openbsd.org/vmd">vmd(8)</a>.
                    476:        <li>Fixed a dst/src <a href="https://man.openbsd.org/iked">iked(8)</a> port configuration bug with multiple flows.
                    477:        <li>Handled <a href="https://man.openbsd.org/iked">iked(8)</a> TEMPORARY_FAILURE notification on IKESA rekeying.
                    478:        <li>Corrected ruleset checksum calculation to allow <a href="https://man.openbsd.org/pfsync">pfsync(4)</a> to verify rulesets are identical on all nodes.
                    479:   </ul>
                    480:
                    481: <li>OpenSMTPD 6.8.0
                    482:   <ul>
                    483:        <li>Fixed an uninitialized variable and potential stack overflow with IPv6 connections in <a href="https://man.openbsd.org/smtpd">smtpd(8)</a>.
                    484:        <li>Fixed <a href="https://man.openbsd.org/smtpd">smtpd(8)</a> handling of user names containing "@" symbols.
                    485:        <li>Allowed handling of long lines in an <a href="https://man.openbsd.org/smtpd">smtpd(8)</a> aliases table.
                    486:        <li>Removed <a href="https://man.openbsd.org/mail.local">mail.local(8)</a> support for world-writable mail spools.
                    487:   </ul>
                    488:
                    489: <li>LibreSSL 3.1.1 XXX <span style="color:red;">Temporary List, replace with LibreSSL ChangeLog:</span>
                    490:   <ul>
                    491: <li>Enabled the TLSv1.3 server in <a href="https://man.openbsd.org/openssl">openssl(1)</a>.
                    492: <li>Added -rls1_3 and -no_tls1_3 options to <a href="https://man.openbsd.org/openssl">openssl(1)</a> s_server.
                    493: <li>Enabled TLSv1.3 support in <a href="https://man.openbsd.org/relayd">relayd(8)</a>.
                    494: <li>Added a decode error alert when a TLS server provides an empty certificate list.
1.7       jsg       495: <li>Added support for TLS 1.3 server to send certificate status messages with OCSP staples.
1.1       benno     496: <li>Began looking for non-expired certificates first when building a chain, making certificate validation possible for various sites that are serving expired AddTrust certificates.
                    497: <li>Improved TLSv1.3 client certificate selection to allow use of EC certificates.
                    498: <li>Added <a href="https://man.openbsd.org/ssl">ssl(8)</a> support for additional GOST curves and aliases for 256-bit GOST curves.
                    499: <li>Enabled TLSv1.3 for the generic TLS_method().
                    500: <li>Fixed potential use-after-free and double-free issues in <a href="https://man.openbsd.org/PEM_X509_INFO_read_bio">PEM_X509_INFO_read_bio(3)</a>.
                    501: <li>Corrected <a href="https://man.openbsd.org/ssl">ssl(8)</a> handling of server requests for an OCSP response.
                    502: <li>Added P-521 to the list of curves supported by default for TLS.
                    503: <li>Released <a href="https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.1.4-relnotes.txt">LibreSSL 3.1.4</a>.
                    504: <li>Released <a href="https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.2.1-relnotes.txt">LibreSSL 3.2.1</a>.
                    505: <li>Fixed a memory leak in x509_constraints_extract_names.
                    506:   </ul>
                    507:   <ul>
                    508:     <li>New Features
                    509:     <ul>
                    510:        <li>...
                    511:     </ul>
                    512:
                    513:     <li>API and Documentation Enhancements
                    514:     <ul>
                    515:        <li>...
                    516:     </ul>
                    517:
                    518:     <li>Compatibility Changes
                    519:     <ul>
                    520:        <li>...
                    521:     </ul>
                    522:
                    523:     <li>Testing and Proactive Security
                    524:     <ul>
                    525:        <li>...
                    526:     </ul>
                    527:
                    528:     <li>Internal Improvements
                    529:       <ul>
                    530:        <li>...
                    531:       </ul>
                    532:
                    533:     <li>Portable Improvements
                    534:     <ul>
                    535:        <li>...
                    536:     </ul>
                    537:
                    538:     <li>Bug Fixes
                    539:     <ul>
                    540:        <li>...
                    541:     </ul>
                    542:   </ul>
                    543:
                    544: <li>OpenSSH 8.3 XXX
                    545:   <ul><span style="color:red;">Temporary List, replace with SSH ChangeLog:</span>
                    546: <li>Preserved group/world read permission on known_hosts files across runs of <a href="https://man.openbsd.org/ssh-keygen">ssh-keygen(1)</a> "-Rf /path".
                    547: <li>Restricted <a href="https://man.openbsd.org/ssh-agent">ssh-agent(1)</a> from signing web challenges for FIDO keys, preventing ssh-agent forwarding on a host that has FIDO keys attached from granting the ability for the remote side to also sign challenges for web authentication using those keys.
                    548: <li>Added to <a href="https://man.openbsd.org/ssh_config">ssh_config(5)</a> a selection of keywords allowed to expand shell-style ${ENV} environment variables on the client side.
                    549: <li>Added <a href="https://man.openbsd.org/ssh">ssh(1)</a> support for <a href="https://man.openbsd.org/fido">fido(4)</a> WebAuthn (verification only).
                    550: <li>Allowed <a href="https://man.openbsd.org/sshd_config">sshd_config(5)</a> longer than 256k.
                    551: <li>Allowed <a href="https://man.openbsd.org/ssh-add">ssh-add(1)</a> "-d -" to read keys to be deleted from stdin.
                    552: <li>Prevented <a href="https://man.openbsd.org/ssh">ssh(1)</a> port forwarding clients from keeping a connection alive when it should be terminated.
                    553: <li>Allowed additional control over the use of <a href="https://man.openbsd.org/ssh-askpass">ssh-askpass(1)</a> in <a href="https://man.openbsd.org/ssh-add">ssh-add(1)</a>, including force-enable/disable.
                    554: <li>Added %-TOKEN, environment variable and tilde expansion to UserKnownHostsFile in <a href="https://man.openbsd.org/ssh_config">ssh_config(5)</a>.
                    555: <li>Added a "%k" TOKEN to <a href="https://man.openbsd.org/ssh_config">ssh_config(5)</a> that expands to the effective HostKey of the destination.
                    556: <li>Allowed <a href="https://man.openbsd.org/scp">scp(1)</a> and <a href="https://man.openbsd.org/sftp">sftp(1)</a> -A option to explicitly enable agent forwarding.
                    557: <li>Added optional time limits for the AddKeysToAgent keyword in <a href="https://man.openbsd.org/ssh_config">ssh_config(5)</a>.
                    558: <li>Added support for requiring user-verified FIDO keys in <a href="https://man.openbsd.org/sshd">sshd(8)</a>.
                    559: <li>Capped <a href="https://man.openbsd.org/ssh">ssh(1)</a> channel input buffer size at 16MB, avoiding high memory use when a peer advertises a large window but is slow to consume sent data.
                    560: </ul>
                    561:   <ul>
                    562:     <li>Potentially incompatible changes.
                    563:       <ul>
                    564:        <li>    </ul>
                    565:     <li>New Features
                    566:       <ul>
                    567:        <li>...
                    568:       </ul>
                    569:     <li>Bugfixes
                    570:       <ul>
                    571:        <li>...
                    572:        </ul>
                    573:   </ul>
                    574:
                    575: <li>Mandoc 1.14.6 XXX
                    576:   <ul>
                    577:     <li>Supported -T html -O tag for <a href="https://man.openbsd.org/mandoc">mandoc(1)</a> by passing a file:// URI to the pager..
                    578:   </ul>
                    579:
                    580: <li>Ports and packages:
                    581: <p>The package system provides an easy way to install 3rd party software. New features include:
                    582:   <ul>
                    583:     <li>...
                    584:   </ul>
                    585:
                    586:   <p>Many pre-built packages for each architecture:
                    587:   <!-- number of FTP packages minus SHA256, SHA256.sig, index.txt -->
                    588:   <ul style="column-count: 3">
                    589:     <li>aarch64:     XXX
                    590:     <li>amd64:       XXX
                    591:     <li>arm:         XXX
                    592:     <li>i386:        XXX
                    593:     <li>mips64:      XXX
                    594:     <li>mips64el:    XXX
                    595:     <li>powerpc:     XXX
                    596:     <li>sparc64:     XXX
                    597:   </ul>
                    598:
                    599: <li>As usual, steady improvements in manual pages and other documentation.
                    600:
                    601: <li>The system includes the following major components from outside suppliers: XXX
                    602:   <ul><span style="color:red;">this list needs checking</span>
                    603:     <li>Xenocara (based on X.Org 7.7 with xserver 1.20.8 + patches,
1.4       jsg       604:         freetype 2.10.2, fontconfig 2.12.4, Mesa 20.0.8, xterm 351,
1.1       benno     605:         xkeyboard-config 2.20 and more)
                    606:     <li>LLVM/Clang 10.0.1 (+ patches)
                    607:     <li>GCC 4.2.1 (+ patches) and 3.3.6 (+ patches)
                    608:     <li>Perl 5.30.3 (+ patches)
                    609:     <li>NSD 4.3.2
                    610:     <li>Unbound 1.11.0
                    611:     <li>Ncurses 5.7
                    612:     <li>Binutils 2.17 (+ patches)
                    613:     <li>Gdb 6.3 (+ patches)
                    614:     <li>Awk August 7, 2020 version
                    615:     <li>Expat 2.2.8
                    616:   </ul>
                    617:
                    618:   <ul><span style="color:red;">XXX. We did not list these before, i got them from plus.html. Do we want them here? libfido2 version looks funny.</span>
                    619:        <li>Updated libpcap to 9.0.
                    620:        <li>Updated Spleen kernel fonts to version 1.8.2.
                    621:        <li>Updated libcbor to v0.7.0.
                    622:        <li>Updated <a href="https://man.openbsd.org/xkbcomp">xkbcomp(1)</a> to 1.4.3.
                    623:        <li>Updated to libfido2 46710ac06.
                    624:   </ul>
                    625:
                    626:
                    627: </ul>
                    628: </section>
                    629:
                    630: <hr>
                    631:
                    632: <section id=install>
                    633: <h3>How to install</h3>
                    634: <p>
                    635: Please refer to the following files on the mirror site for
                    636: extensive details on how to install OpenBSD 6.8 on your machine:
                    637:
                    638: <ul>
                    639: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/alpha/INSTALL.alpha">
                    640:        .../OpenBSD/6.8/alpha/INSTALL.alpha</a>
                    641: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/amd64/INSTALL.amd64">
                    642:        .../OpenBSD/6.8/amd64/INSTALL.amd64</a>
                    643: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/arm64/INSTALL.arm64">
                    644:        .../OpenBSD/6.8/arm64/INSTALL.arm64</a>
                    645: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/armv7/INSTALL.armv7">
                    646:        .../OpenBSD/6.8/armv7/INSTALL.armv7</a>
                    647: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/hppa/INSTALL.hppa">
                    648:        .../OpenBSD/6.8/hppa/INSTALL.hppa</a>
                    649: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/i386/INSTALL.i386">
                    650:        .../OpenBSD/6.8/i386/INSTALL.i386</a>
                    651: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/landisk/INSTALL.landisk">
                    652:        .../OpenBSD/6.8/landisk/INSTALL.landisk</a>
                    653: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/loongson/INSTALL.loongson">
                    654:        .../OpenBSD/6.8/loongson/INSTALL.loongson</a>
                    655: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/luna88k/INSTALL.luna88k">
                    656:        .../OpenBSD/6.8/luna88k/INSTALL.luna88k</a>
                    657: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/macppc/INSTALL.macppc">
                    658:        .../OpenBSD/6.8/macppc/INSTALL.macppc</a>
                    659: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/octeon/INSTALL.octeon">
                    660:        .../OpenBSD/6.8/octeon/INSTALL.octeon</a>
                    661: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/powerpc64/INSTALL.powerpc64">
                    662:        .../OpenBSD/6.8/octeon/INSTALL.powerpc64</a>
                    663: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/sgi/INSTALL.sgi">
                    664:        .../OpenBSD/6.8/sgi/INSTALL.sgi</a>
                    665: <li><a href="https://ftp.openbsd.org/pub/OpenBSD/6.8/sparc64/INSTALL.sparc64">
                    666:        .../OpenBSD/6.8/sparc64/INSTALL.sparc64</a>
                    667: </ul>
                    668: </section>
                    669:
                    670: <hr>
                    671:
                    672: <section id=quickinstall>
                    673: <p>
                    674: Quick installer information for people familiar with OpenBSD, and the use of
                    675: the "<a href="https://man.openbsd.org/disklabel.8">disklabel</a> -E" command.
                    676: If you are at all confused when installing OpenBSD, read the relevant
                    677: INSTALL.* file as listed above!
                    678:
                    679: <h3>OpenBSD/alpha:</h3>
                    680:
                    681: <p>
                    682: If your machine can boot from CD, you can write <i>install68.iso</i> or
                    683: <i>cd68.iso</i> to a CD and boot from it.
                    684: Refer to INSTALL.alpha for more details.
                    685:
                    686: <h3>OpenBSD/amd64:</h3>
                    687:
                    688: <p>
                    689: If your machine can boot from CD, you can write <i>install68.iso</i> or
                    690: <i>cd68.iso</i> to a CD and boot from it.
                    691: You may need to adjust your BIOS options first.
                    692:
                    693: <p>
                    694: If your machine can boot from USB, you can write <i>install68.fs</i> or
                    695: <i>miniroot68.fs</i> to a USB stick and boot from it.
                    696:
                    697: <p>
                    698: If you can't boot from a CD, floppy disk, or USB,
                    699: you can install across the network using PXE as described in the included
                    700: INSTALL.amd64 document.
                    701:
                    702: <p>
                    703: If you are planning to dual boot OpenBSD with another OS, you will need to
                    704: read INSTALL.amd64.
                    705:
                    706: <h3>OpenBSD/arm64:</h3>
                    707:
                    708: <p>
                    709: Write <i>miniroot68.fs</i> to a disk and boot from it after connecting
                    710: to the serial console.  Refer to INSTALL.arm64 for more details.
                    711:
                    712: <h3>OpenBSD/armv7:</h3>
                    713:
                    714: <p>
                    715: Write a system specific miniroot to an SD card and boot from it after connecting
                    716: to the serial console.  Refer to INSTALL.armv7 for more details.
                    717:
                    718: <h3>OpenBSD/hppa:</h3>
                    719:
                    720: <p>
                    721: Boot over the network by following the instructions in INSTALL.hppa or the
                    722: <a href="hppa.html#install">hppa platform page</a>.
                    723:
                    724: <h3>OpenBSD/i386:</h3>
                    725:
                    726: <p>
                    727: If your machine can boot from CD, you can write <i>install68.iso</i> or
                    728: <i>cd68.iso</i> to a CD and boot from it.
                    729: You may need to adjust your BIOS options first.
                    730:
                    731: <p>
                    732: If your machine can boot from USB, you can write <i>install68.fs</i> or
                    733: <i>miniroot68.fs</i> to a USB stick and boot from it.
                    734:
                    735: <p>
                    736: If you can't boot from a CD, floppy disk, or USB,
                    737: you can install across the network using PXE as described in
                    738: the included INSTALL.i386 document.
                    739:
                    740: <p>
                    741: If you are planning on dual booting OpenBSD with another OS, you will need to
                    742: read INSTALL.i386.
                    743:
                    744: <h3>OpenBSD/landisk:</h3>
                    745:
                    746: <p>
                    747: Write <i>miniroot68.fs</i> to the start of the CF
                    748: or disk, and boot normally.
                    749:
                    750: <h3>OpenBSD/loongson:</h3>
                    751:
                    752: <p>
                    753: Write <i>miniroot68.fs</i> to a USB stick and boot bsd.rd from it
                    754: or boot bsd.rd via tftp.
                    755: Refer to the instructions in INSTALL.loongson for more details.
                    756:
                    757: <h3>OpenBSD/luna88k:</h3>
                    758:
                    759: <p>
                    760: Copy 'boot' and 'bsd.rd' to a Mach or UniOS partition, and boot the bootloader
                    761: from the PROM, and then bsd.rd from the bootloader.
                    762: Refer to the instructions in INSTALL.luna88k for more details.
                    763:
                    764: <h3>OpenBSD/macppc:</h3>
                    765:
                    766: <p>
                    767: Burn the image from a mirror site to a CDROM, and power on your machine
                    768: while holding down the <i>C</i> key until the display turns on and
                    769: shows <i>OpenBSD/macppc boot</i>.
                    770:
                    771: <p>
                    772: Alternatively, at the Open Firmware prompt, enter <i>boot cd:,ofwboot
                    773: /6.8/macppc/bsd.rd</i>
                    774:
                    775: <h3>OpenBSD/octeon:</h3>
                    776:
                    777: <p>
                    778: After connecting a serial port, boot bsd.rd over the network via DHCP/tftp.
                    779: Refer to the instructions in INSTALL.octeon for more details.
                    780:
                    781: <h3>OpenBSD/powerpc64:</h3>
                    782:
                    783: <p>
                    784: After XXX
                    785: Refer to the instructions in INSTALL.powerpc64 for more details.
                    786:
                    787: <h3>OpenBSD/sgi:</h3>
                    788:
                    789: <p>
                    790: To install, burn cd68.iso on a CD-R, put it in the CD drive of your
                    791: machine and select <i>Install System Software</i> from the System Maintenance
                    792: menu. Indigo/Indy/Indigo2 (R4000) systems will not boot automatically from
                    793: CD-ROM, and need a proper invocation from the PROM prompt.
                    794: Refer to the instructions in INSTALL.sgi for more details.
                    795:
                    796: <p>
                    797: If your machine doesn't have a CD drive, you can setup a DHCP/tftp network
                    798: server, and boot using "bootp()/bsd.rd.IP##" using the kernel matching your
                    799: system type. Refer to the instructions in INSTALL.sgi for more details.
                    800:
                    801: <h3>OpenBSD/sparc64:</h3>
                    802:
                    803: <p>
                    804: Burn the image from a mirror site to a CDROM, boot from it, and type
                    805: <i>boot cdrom</i>.
                    806:
                    807: <p>
                    808: If this doesn't work, or if you don't have a CDROM drive, you can write
                    809: <i>floppy68.fs</i> or <i>floppyB68.fs</i>
                    810: (depending on your machine) to a floppy and boot it with <i>boot
                    811: floppy</i>. Refer to INSTALL.sparc64 for details.
                    812:
                    813: <p>
                    814: Make sure you use a properly formatted floppy with NO BAD BLOCKS or your install
                    815: will most likely fail.
                    816:
                    817: <p>
                    818: You can also write <i>miniroot68.fs</i> to the swap partition on
                    819: the disk and boot with <i>boot disk:b</i>.
                    820:
                    821: <p>
                    822: If nothing works, you can boot over the network as described in INSTALL.sparc64.
                    823: </section>
                    824:
                    825: <hr>
                    826:
                    827: <section id=upgrade>
                    828: <h3>How to upgrade</h3>
                    829: <p>
1.2       benno     830: If you already have an OpenBSD 6.7 system, and do not want to reinstall,
1.1       benno     831: upgrade instructions and advice can be found in the
                    832: <a href="faq/upgrade68.html">Upgrade Guide</a>.
                    833: </section>
                    834:
                    835: <hr>
                    836:
                    837: <section id=sourcecode>
                    838: <h3>Notes about the source code</h3>
                    839: <p>
                    840: <code>src.tar.gz</code> contains a source archive starting at <code>/usr/src</code>.
                    841: This file contains everything you need except for the kernel sources,
                    842: which are in a separate archive.
                    843: To extract:
                    844: <blockquote><pre>
                    845: # <kbd>mkdir -p /usr/src</kbd>
                    846: # <kbd>cd /usr/src</kbd>
                    847: # <kbd>tar xvfz /tmp/src.tar.gz</kbd>
                    848: </pre></blockquote>
                    849: <p>
                    850: <code>sys.tar.gz</code> contains a source archive starting at <code>/usr/src/sys</code>.
                    851: This file contains all the kernel sources you need to rebuild kernels.
                    852: To extract:
                    853: <blockquote><pre>
                    854: # <kbd>mkdir -p /usr/src/sys</kbd>
                    855: # <kbd>cd /usr/src</kbd>
                    856: # <kbd>tar xvfz /tmp/sys.tar.gz</kbd>
                    857: </pre></blockquote>
                    858: <p>
                    859: Both of these trees are a regular CVS checkout.  Using these trees it
                    860: is possible to get a head-start on using the anoncvs servers as
                    861: described <a href="anoncvs.html">here</a>.
                    862: Using these files
                    863: results in a much faster initial CVS update than you could expect from
                    864: a fresh checkout of the full OpenBSD source tree.
                    865: </section>
                    866:
                    867: <hr>
                    868:
                    869: <section id=ports>
                    870: <h3>Ports Tree</h3>
                    871: <p>
                    872: A ports tree archive is also provided.  To extract:
                    873: <blockquote><pre>
                    874: # <kbd>cd /usr</kbd>
                    875: # <kbd>tar xvfz /tmp/ports.tar.gz</kbd>
                    876: </pre></blockquote>
                    877: <p>
                    878: Go read the <a href="faq/ports/index.html">ports</a> page
                    879: if you know nothing about ports
                    880: at this point.  This text is not a manual of how to use ports.
                    881: Rather, it is a set of notes meant to kickstart the user on the
                    882: OpenBSD ports system.
                    883: <p>
                    884: The <i>ports/</i> directory represents a CVS checkout of our ports.
                    885: As with our complete source tree, our ports tree is available via
                    886: <a href="anoncvs.html">AnonCVS</a>.
                    887: So, in order to keep up to date with the -stable branch, you must make
                    888: the <i>ports/</i> tree available on a read-write medium and update the tree
                    889: with a command like:
                    890: <blockquote><pre>
                    891: # <kbd>cd /usr/ports</kbd>
                    892: # <kbd>cvs -d anoncvs@server.openbsd.org:/cvs update -Pd -rOPENBSD_6_8</kbd>
                    893: </pre></blockquote>
                    894: <p>
                    895: [Of course, you must replace the server name here with a nearby anoncvs
                    896: server.]
                    897: <p>
                    898: Note that most ports are available as packages on our mirrors. Updated
                    899: ports for the 6.8 release will be made available if problems arise.
                    900: <p>
                    901: If you're interested in seeing a port added, would like to help out, or just
                    902: would like to know more, the mailing list
                    903: <a href="mail.html">ports@openbsd.org</a> is a good place to know.
                    904: </section>