Pretty major issue I found: when right-clicking after I got the recoil jump ability and then used it for the first time, I couldn't get it to work again!
EDIT: Ignore this message, it turned out that I need to go look to see if there's a red gem near my ammo and... bar? However, there is another problem, in which whenever I die starting from the first time I got a power-up, it visually gets removed until I crouch and stand up again.
EDIT: Also, I walked into some spikes while recoil jumping and became unable to move left and right without recoil jumping in that direction.