C'est le soucis du gameplay pensé manette transposé au c/s: c'est comme ça au pad, le jeu est équilibré pour... mais c'est dégueulasse au clavier.
Si ils arrivent à corriger ce truc sans casser le jeu, chapeau.
Can’t Crouch While Moving: The way crouching and moving works in Reach is currently true to the way it worked in the original game on Xbox 360. However, we understand this doesn’t necessarily meet player expectations on PC. We are currently testing and prototyping potential alternative solutions to address the community’s feedback around the inability to crouch while moving using mouse & keyboard.