Is this true?! I bought 1password 4 for $99 and I upgraded to 6, but from the website I can’t tell if I now have to pay $2.99/mo or I can download the next vers

Is this true?! I bought 1password 4 for $99 and I upgraded to 6, but from the website I can’t tell if I now have to pay $2.99/mo or I can download the next version for $99 again...