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version 1.20, 2023/10/11 13:39:03 version 1.21, 2023/10/11 15:00:50
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 <li>Various kernel improvements:  <li>Various kernel improvements:
   <ul>    <ul>
   <li>On amd64, identify IBT capability in cpu(4) dmesg lines.    <li>On amd64, identify IBT capability in
   <li>On arm64, show BT and SBSS features in dmesg(8).        <a href="https://man.openbsd.org/amd64/cpu.4">cpu(4)</a> dmesg lines.
   <li>Map device tree read/write to unbreak root on softraid(4).    <li>On arm64, show BT and SBSS features in
         <a href="https://man.openbsd.org/dmesg.8">dmesg(8)</a>.
     <li>Map device tree read/write to unbreak root on
         <a href="https://man.openbsd.org/softraid.4">softraid(4)</a>.
   </ul>    </ul>
   
 <li>SMP Improvements  <li>SMP Improvements
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 <li>VMM/VMD improvements  <li>VMM/VMD improvements
   <ul>    <ul>
   <li>Avoid use of uninitialised memory in vmd(8).    <li>Avoid use of uninitialised memory in
         <a href="https://man.openbsd.org/vmd.8">vmd(8)</a>.
   <li>Migrate vmd_vm.vm_ttyname to char array allowing a vmd_vm    <li>Migrate vmd_vm.vm_ttyname to char array allowing a vmd_vm
         object to be transmitted over an ipc channel.          object to be transmitted over an ipc channel.
   </ul>    </ul>
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 <li>Various bugfixes and tweaks in userland:  <li>Various bugfixes and tweaks in userland:
   <ul>    <ul>
   <li>Refactoring and documenting of fdisk(8) code, to make the code    <li>Refactoring and documenting of
         easier to maintain.        <a href="https://man.openbsd.org/fdisk.8">fdisk(8)</a> code,
   <li>In clang, allow out-of-class defaulting of comparison operators,        to make it easier to maintain.
     <li>In <a href="https://man.openbsd.org/clang.1">clang(1)</a>,
         allow out-of-class defaulting of comparison operators,
         by ways of backporting an upstream commit.          by ways of backporting an upstream commit.
   <li>Improve the code of aucat(1) and fix spelling mistakes.    <li>Improve the code of
         <a href="https://man.openbsd.org/aucat.1">aucat(1)</a>
         and fix spelling mistakes.
   <li>Improve the code quality of find(1).    <li>Improve the code quality of find(1).
   <li>Many changes in mg(1):    <li>Many changes in <a href="https://man.openbsd.org/mg.1">mg(1)</a>:
     <ul>      <ul>
     <li>Improve the readability of the code of mg(1).      <li>Improve the readability of the code.
     <li>In mg(1), fall back to /bin/sh if $SHELL is undefined.      <li>Fall back to /bin/sh if $SHELL is undefined.
     <li>Fix parsing of tag files with duplicate entries in mg (1).      <li>Fix parsing of tag files with duplicate entries.
         Instead of erroring out ignore duplicates. Fixes using          Instead of erroring out ignore duplicates. Fixes using
         /var/db/libc.tags again.          /var/db/libc.tags again.
     <li>In mg(1), change tagvisit (aka visit-tag-table) to immediately      <li>Change tagvisit (aka visit-tag-table) to immediately
         load the tag file, and drop the lazy mechanics.          load the tag file, and drop the lazy mechanics.
     <li>Remove useless global variable in mg(1).      <li>Remove useless global variable.
     <li>Plug memory leak in mg(1).      <li>Plug memory leak.
     <li>Replace strncpy() with strlcpy() in mg(1).      <li>Replace strncpy() with strlcpy().
     <li>Skip checking permissions of conffile with access(2).      <li>Skip checking permissions of conffile with access(2).
     </ul>      </ul>
   <li>On aarch64 architectures improve how BTI control flow integrity    <li>On aarch64 architectures improve how BTI control flow integrity
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       ports, make them discoverable via the new <code>hw.ucomnames</code>        ports, make them discoverable via the new <code>hw.ucomnames</code>
       <a href="https://man.openbsd.org/sysctl.2#HW_UCOMNAMES~2">sysctl(2)</a>,        <a href="https://man.openbsd.org/sysctl.2#HW_UCOMNAMES~2">sysctl(2)</a>,
       and support them in <a href="https://man.openbsd.org/cu.1">cu(1)</a>.        and support them in <a href="https://man.openbsd.org/cu.1">cu(1)</a>.
   <li>Add support for the RK3568 32k RTC clock in rkclock(4)    <li>Add support for the RK3568 32k RTC in
   <li>In dwpcie(4) attach Baikal-M PCIe.        <a href="https://man.openbsd.org/rkclock.4">rkclock(4)</a>.
     <li>In <a href="https://man.openbsd.org/dwpcie.4">dwpcie(4)</a>,
         attach Baikal-M PCIe.
   <li>In openfirmware, implement regulator notifiers which get called    <li>In openfirmware, implement regulator notifiers which get called
         when the voltage/current for a regulator is changed or when the          when the voltage/current for a regulator is changed or when the
         regulator gets initialized when it attaches for the first time. The          regulator gets initialized when it attaches for the first time. The
         latter makes it possible to register a notifier for a regulator that          latter makes it possible to register a notifier for a regulator that
         hasn't attached yet.          hasn't attached yet.
   <li>Add rkiovd(4), a driver for the IO voltage domains on Rockchip SoCs.    <li>Add <a href="https://man.openbsd.org/rkiovd.4">rkiovd(4)</a>,
   <li>Add support for TEMPerGold 3.4 temperature sensor to ugold(4).        a driver for the I/O voltage domains on Rockchip SoCs.
     <li>Add support for TEMPerGold 3.4 temperature sensor to
         <a href="https://man.openbsd.org/ugold.4">ugold(4)</a>.
   <li>Ignore duplicate ACPI lid transitions as they can happen on Dell    <li>Ignore duplicate ACPI lid transitions as they can happen on Dell
         Precision 5510 systems.          Precision 5510 systems.
   <li>Make RK3568 PCIe controllers run at the maximum possible speed    <li>Make RK3568 PCIe controllers run at the maximum possible speed
         by using dwpcie_link_config() when initializing.          by using dwpcie_link_config() when initializing.
   <li>In the Universal Flash Storage Host Controller Interface    <li>In the Universal Flash Storage Host Controller Interface
         (ufshci(4)) enable Force Unit Access (FUA) for write commands.        (<a href="https://man.openbsd.org/ufshci.4">ufshci(4)</a>),
         enable Force Unit Access (FUA) for write commands.
   
   </ul>    </ul>
   
 <li>New or improved network hardware support:  <li>New or improved network hardware support:
   <ul>    <ul>
   <li>Fix dwqe(4) on several boards that use rgephy(4) by configuring    <li>Fix <a href="https://man.openbsd.org/dwqe.4">dwqe(4)</a>
         on several boards that use
         <a href="https://man.openbsd.org/rgephy.4">rgephy(4)</a> by configuring
         the RGMII interface before taking the PHY out of reset.          the RGMII interface before taking the PHY out of reset.
   <li>Document that Intel i226 adapters are supported by igc(4).    <li>Document that Intel i226 adapters are supported by
   <li>Add ngbe(4), a driver for WangXun WX1860 PCI Express 10/100/1Gb Ethernet devices.        <a href="https://man.openbsd.org/igc.4">igc(4)</a>.
   <li>Add rkusbphy(4), a driver for the usb2phy on Rockchip SoCs.    <li>Add <a href="https://man.openbsd.org/ngbe.4">ngbe(4)</a>,
   <li>Add support for the RTL8211F-VD PHY in rgephy(4).        a driver for WangXun WX1860 PCI Express 10/100/1Gb Ethernet devices.
   <li>Enable rkusbphy(4) on arm64.        Also support it on amd64 install media.
     <li>Add <a href="https://man.openbsd.org/rkusbphy.4">rkusbphy(4)</a>,
         a driver for the usb2phy on Rockchip SoCs, and enable it on arm64.
     <li>Add support for the RTL8211F-VD PHY in
         <a href="https://man.openbsd.org/rgephy.4">rgephy(4)</a>.
   <li>In openfirmware, add glue for network interfaces to be found by    <li>In openfirmware, add glue for network interfaces to be found by
         fdt/ofw node or phandle in order to support "switch chips" like the          fdt/ofw node or phandle in order to support "switch chips" like the
         marvell link street.          marvell link street.
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 <li>Added or improved wireless network drivers:  <li>Added or improved wireless network drivers:
   <ul>    <ul>
   <li>Improve how Quectel LTE&5G devices attach to umb(4).    <li>Improve how Quectel LTE&5G devices attach to
         <a href="https://man.openbsd.org/umb.4">umb(4)</a>.
   </ul>    </ul>
   
 <li>IEEE 802.11 wireless stack improvements and bugfixes:  <li>IEEE 802.11 wireless stack improvements and bugfixes:
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   <ul>    <ul>
   <li>In the arm64 ramdisk, simplify apple firmware copying to make it    <li>In the arm64 ramdisk, simplify apple firmware copying to make it
         easier to add new firmware.          easier to add new firmware.
   <li>On armv7 and arm64, silence informational messages from dd(1)    <li>On armv7 and arm64, silence informational messages from
         <a href="https://man.openbsd.org/dd.1">dd(1)</a>
         when zeroing a disk's first 1MB. Use character not block devices with          when zeroing a disk's first 1MB. Use character not block devices with
         dd(1) like on other architectures.          dd(1) like on other architectures.
   <li>Refactor the code of md_installboot() on armv7 and arm64 to be    <li>Refactor the code of md_installboot() on armv7 and arm64 to be
         more in line with other architectures.          more in line with other architectures.
   <li>Improve the dialogue of the installer without affecting    <li>Improve the dialogue of the installer without affecting
         autoinstall(8) files.        <a href="https://man.openbsd.org/autoinstall.8">autoinstall(8)</a>
   <li>Enable ufshci(4) on arm64 install media.         files.
   <li>Enable ngbe(4) on amd64 install media.    <li>Enable <a href="https://man.openbsd.org/ufshci.4">ufshci(4)</a>
         on arm64 install media.
   <li>On arm64 pine64 boards, stop writing pine64 firmware to disk.    <li>On arm64 pine64 boards, stop writing pine64 firmware to disk.
   <li>Make root on softraid(4) installations boot out of the box on    <li>Make root on
         Raspberry Pis (arm64).        <a href="https://man.openbsd.org/softraid.4">softraid(4)</a>
   <li>Support installations with root on softraid on arm64, tested on        installations boot out of the box on Raspberry Pis (arm64).
         Pinebook Pro, Raspberry Pi 4b, and SolidRun CEX7.    <li>Support installations with root on
         <a href="https://man.openbsd.org/softraid.4">softraid(4)</a>
         on arm64, tested on Pinebook Pro, Raspberry Pi 4b, and SolidRun CEX7.
   
   </ul>    </ul>
   
 <li>Security improvements:  <li>Security improvements:
   <ul>    <ul>
   <li>Change malloc(3) chunk sizes to be fine grained. [needs better explanation]    <li>Change <a href="https://man.openbsd.org/malloc.3">malloc(3)</a>
   <li>In malloc(3), check all chunks in the delayed free list for write-after-free.        chunk sizes to be fine grained. [needs better explanation]
     <li>In <a href="https://man.openbsd.org/malloc.3">malloc(3)</a>,
         check all chunks in the delayed free list for write-after-free.
   </ul>    </ul>
   
 <li>Changes in the network stack:  <li>Changes in the network stack:
   <ul>    <ul>
   <li>In pf(4), when redirecting locally generated IP packets to    <li>In <a href="https://man.openbsd.org/pf.4">pf(4)</a>,
         when redirecting locally generated IP packets to
         userland with divert-packet rules, the packets may have no checksum          userland with divert-packet rules, the packets may have no checksum
         due to hardware offloading.  Calculate the checksum in that case.          due to hardware offloading.  Calculate the checksum in that case.
  <li>Sync the use of getuptime(9) in the Neighbour Discovery (ND) code with ARP.   <li>Sync the use of
  <li>In the IPv6 forwarding code, call getuptime(9) once for       <a href="https://man.openbsd.org/getuptime.9">getuptime(9)</a>
         consistency with IPv4.       in the Neighbour Discovery (ND) code with ARP.
    <li>In the IPv6 forwarding code, call
        <a href="https://man.openbsd.org/getuptime.9">getuptime(9)</a>
        once for consistency with IPv4.
   
  </ul>   </ul>
   
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   <ul>    <ul>
   <li>IPsec support was improved:    <li>IPsec support was improved:
   <ul>    <ul>
         <li>In isakmpd(8), avoid a double free in ec_init() when using the OpenSSL API.          <li>In <a href="https://man.openbsd.org/isakmpd.8">isakmpd(8)</a>,
         <li>In iked(8), do not treat the return value of i2d_ECDSA_SIG() as              avoid a double free in ec_init() when using the OpenSSL API.
                 length as it can be negative.          <li>In <a href="https://man.openbsd.org/iked.8">iked(8)</a>,
         <li>Prepare isakmpd(8) for a libcrypto library that is lacking binary field              do not treat the return value of
                 support.              <a href="https://man.openbsd.org/i2d_ECDSA_SIG.3"
         <li>In isakmpd(8), avoid a potential crash by adding a missing NULL check.              >i2d_ECDSA_SIG(3)</a> as a length as it can be negative.
           <li>Prepare <a href="https://man.openbsd.org/isakmpd.8">isakmpd(8)</a>
               for a libcrypto library that is lacking binary field support.
           <li>In <a href="https://man.openbsd.org/isakmpd.8">isakmpd(8)</a>,
               avoid a potential crash by adding a missing NULL check.
   
   </ul>    </ul>
   <li>In <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>,    <li>In <a href="https://man.openbsd.org/bgpd.8">bgpd(8)</a>,
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         <li>...          <li>...
   </ul>    </ul>
   
   <li>Make dig(1) use less deprecated LibreSSL API.    <li>Make <a href="https://man.openbsd.org/dig.1">dig(1)</a>
   <li>In ypldap(8), reduce memory usage when updating larger directories.        use less deprecated LibreSSL API.
   <li>Remove stylistic differences between arp(8) and ndp(8) delete()    <li>In <a href="https://man.openbsd.org/ypldap.8">ypldap(8)</a>,
         reduce memory usage when updating larger directories.
     <li>Remove stylistic differences between
         <a href="https://man.openbsd.org/arp.8">arp(8)</a> and
         <a href="https://man.openbsd.org/ndp.8">ndp(8)</a> delete()
         function.  This makes it easier to spot real changes in behavior.          function.  This makes it easier to spot real changes in behavior.
   <li>Make ndp(8) not remove cloning routes when no neighbor entry is    <li>Make <a href="https://man.openbsd.org/ndp.8">ndp(8)</a>
         not remove cloning routes when no neighbor entry is
         found with <code>ndp -d</code>.          found with <code>ndp -d</code>.
   </ul>    </ul>
   
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