Halo's Master Chief Collection now sports Xbox Series X/S optimization

I'm kinda confused. Why are my games like halo mcc for example running at 4k@120hz but it says there is no fps boost? : r/xboxone

Halo Infinite Standard Edition - For Xbox One, Xbox Series X - Rated T (Teen 13+) - Strategy & Shooter Game - Single & Multiplayer Supported : Alliance Dist-Games: Video Games

Buy Halo: The Master Chief Collection (Xbox Series X/S) - Xbox Live Key - GLOBAL - Cheap - !

PSA: Halo: the Master Chief Collection is now SX enhanced and can be played with enhancements from any external drive : r/XboxSeriesX

Get Halo: The Master Chief Collection - Fully Optimized for Xbox Series X, S and PC

Halo: The Master Chief Collection

Halo the Master Chief Collection Next-Gen Free Upgrade to Introduce 120 FPS Support and More; To Launch on November 17th

Buy Halo: The Master Chief Collection (Xbox Series X/S) - Xbox Live Key - GLOBAL - Cheap - !

Microsoft Xbox Series X 1TB Halo Infinite Edition with Robot White Extra Controller and Cleaning Cloth Bundle

Halo: The Master Chief Collection targets up to 4K, 120 FPS on Xbox Series X, Series S : r/XboxSeriesX