I wondered the same so I asked Google what shes done and it came up with this list. Take its legitimacy for what it is.
-Dropped Game Pass Ultimate price from $29.99 to $22.99 per month, though new Call of Duty games no longer launch day one.
-Scrapped the "This is an Xbox" campaign and refocused on core consoles.
-Canceled Copilot AI development for mobile and console.
-Major leadership reshuffle, bringing in ex-colleagues from CoreAI and Instacart.
-Dropped "Microsoft Gaming" name, returned to just Xbox with a new retro-inspired glowing green logo.
-Increased focus on Project Helix next-gen hardware.
-Boosted sharpness and resolution of gamerpics, game art, and achievement icons on Series X at 4K.
-Added new dynamic backgrounds, profile backgrounds, and gamer pics featuring the fresh Xbox logo.
-Introduced new dashboard colors including a green gradient, plus options to customize or disable the guide gradient.
-Set up a dedicated console team delivering regular updates, aiming for bi-weekly drops the rest of the year.
-Refreshed achievements with new icons, animations, custom colors, ability to hide games, and a dedicated section for 100% completed games.
-Added Quick Resume toggles per game, profile badges in the guide, more home screen groups, a Play History tab, and other dashboard tweaks.
It probably missed some things as well. Not a bad start for her.