Is AI Foundry in new exam for DP-100

A 25-30% of the DP-100 exam is now dedicated to Optimizing Language Models for AI Applications - is this requiring Azure AI Foundry? It doesn't say specifically in the study guide: https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/dp-100

Also, the videos could benefit from being updated to cover the changes as of 16 January 2025.