New ISO cachyos-handheld-linux-260211 steam gaming mode update error and missing sddm?

Hello, As subject notice for new OS installation base on new ISO 260211 show some bug/error when try to check an update from gaming mode. There's no problem from existing OS update cachyos-handheld to 1.3.0-3  and missing SDDM on new ISO OLD/Existing OS <img width="954" height="476" alt="Image" src="https://github.com/user-attachments/assets/ce5edfbc-10e4-4bf2-a361-cc4c00ecfd7d" /> NEW ISO <img width="967" height="567" alt="Image" src="https://github.com/user-attachments/assets/d88b0d7f-9566-40d6-b1c4-eaa9bc00b25f" /> yes we can install back from command bring back sddm. is there an issue to remove it? related to gaming mode gamescope session?