Introduction of the Hot Wheels Expansion and Extreme E content.

Below you will find a summary of items fixed or improved upon in this update. Version Number: Xbox One: 2.507. 426.0. Forza Support

If your goal is to "develop a feature" in the sense of creating a mod or a custom patch using XDelta:

: Later versions (e.g., version 1.683.258.0 ) introduced major features like Horizon Realms , which are accessible directly from the Pause Menu or World Map.

You can track the most current technical changes and full car lists on the official Forza Support Release Notes or the Forza Wiki Update History . FH5 Release Notes: September 13th, 2022 - Forza Support