There’s an updated (May 2024) Power Platform Licensing Guide. The main change is the replacement of the Power Automate Hosted RPA Add-on licence with the full (no prerequisites) Power Automate Hosted Process licence. This license is a superset of the Power Automate Process licence but with the addition of a Microsoft hosted virtual machine and an unattended RPA bot.
Find the updated guide here: https://bit.ly/4botvns.