There’s an updated (November 2021) Power Platform Licensing Guide with just a minor change: the allocations of Power Platform Requests have been removed from the guide and are now detailed here: https://bit.ly/3xwQee9.
Note also that these allocations have been substantially increased to be at levels that are significantly higher than typical usage for most customers.
Find the updated Licensing Guide here: https://bit.ly/32cgfnu.