So, Ubuntu 22.04 LTS is due today, but the actual time of release is uncertain. If you are refreshing their site like me to be the first to download it, don't -- automate it instead. Here's my little bash script to alert me automatically as soon as 22 rolls out:

{
  function func_name () {
    FOUND=`curl -s https://ubuntu.com/download/desktop | grep 'Ubuntu 22'`
    echo $FOUND;
    if [ ! -z "$FOUND" ]; then
      spd-say "Ubuntu 22 is out"
    fi
  }

  export -f func_name

  watch -n 5 -x bash -c func_name
}