Just in time for my new playthrough, Horizon Zero Dawn Remastered was updated to version 1.4 today bringing with it plenty of improvements and it should work better for Steam Deck / gamepad controller players.
Read the full article here: https://www.gamingonlinux.com/2024/12/horizon-zero-dawn-remastered-v14-brings-various-controller-fixes-plus-improvements-to-amd-fsr-and-intel-xess