Can't do side jumping

i don’t know why i can’t do side jumping. when i use mercy to fly, it can’t move in mid air if i try to move left or right. I change my jump from spacebar into other and it work but it didn’t worked when i changed back to spacebar

Just try resetting all of the interface settings in game. Then rebind to the keys you want to use.

I did tried reinstalling the game and resetting all the settings but it didn’t work.

Try swapping your keyboard if possible. If on a laptop, just plug in a keyboard and avoid using the on-board one. If the new keyboard allows you to move normally, consider retiring the existing keyboard or check for mechanical issues.

If the problem persists, check for background processes which may hinder multi-key operations: