Release

OpenBSD 6.7 appeared today

OpenBSD has two new releases every year. historically, on 1. Mai and 1. November. With a few small execptions in the past Check Wikipedia

so, then latest OS appeared today: OpenBSD 6.7

Perform a Full Upgrade (incl. X Stuff)

sysupgrade -r

Run the Script (on your own risk !)

doas su -
mkdir /root/bin
ftp -o /root/bin/upgrade_to_67.sh https://blog.stoege.net/scripts/upgrade_to_67.sh
chmod 740 /root/bin/upgrade_to_67.sh
# /root/bin/upgrade_to_67.sh

or use some custom Script (just Xbase and not other X Stuff)

doas su -
mkdir /root/bin

cat <<'EOF' > /root/bin/upgrade_to_67.sh
#!/bin/sh

prepare () {

  echo "let's upgrade to 6.7 ..."

  userdel named
  groupdel named
  rm -rf /var/named  # backup the data if still needed

  rm -rf /usr/libdata/perl5/*/Storable \
    /usr/libdata/perl5/*/arybase.pm \
    /usr/libdata/perl5/*/auto/arybase \
    /usr/libdata/perl5/B/Debug.pm \
    /usr/libdata/perl5/Locale/{Codes,Country,Currency,Language,Script}* \
    /usr/libdata/perl5/Math/BigInt/CalcEmu.pm \
    /usr/libdata/perl5/unicore/To/_PerlWB.pl \
    /usr/libdata/perl5/unicore/lib/GCB/EB.pl \
    /usr/libdata/perl5/unicore/lib/GCB/GAZ.pl \
    /usr/share/man/man3p/B::Debug.3p \
    /usr/share/man/man3p/Locale::{Codes*,Country,Currency,Language,Script}.3p \
    /usr/share/man/man3p/Math::BigInt::CalcEmu.3p \
    /usr/share/man/man3p/arybase.3p

  rm -f /usr/sbin/{dig,host,nslookup}

}

download() {

  local _response=$(sysupgrade -n)

  if [[ $_response == *reboot ]]; then
    echo "\nInstalled! Let's reboot ...\n"
    rm /home/_sysupgrade/{comp,xf,xs}*
  else
    echo "Nothing todo ..."
  fi

}

install() {
  reboot
}

postwork() {

  echo "let's do some postwork after upgrade to 6.7 ..."

  cd /dev
  ./MAKEDEV all

  _boot=$(mount |awk -F'[/ ]' '/ on \/ / {print $3}')
  installboot ${_boot%?}

  sysmerge

  fw_update

  syspatch

  pkg_add -Vu

}

# Main
local _ver=$(uname -r)

if [ "$_ver" == "6.6" ]; then

  prepare
  download
  install

elif [ "$_ver" == "6.7" ]; then

  postwork

fi

exit 0
EOF

chmod 740 /root/bin/upgrade_to_67.sh
# /root/bin/upgrade_to_67.sh

Checks

you should do a few checks afterwards: