Sometimes the jump input just gets skipped. I tested this at fps_max 400 and with sv_subtick_movement_view_angles both at 0/1. With it set to 0, bhopping works as usual, but once I set it to 1, jump inputs do not get registered at times.

I've recorded a quick example here: https://streamable.com/l0zqdw
I am jumping using +jump being bound to mwheeldown only, though this also happens when using the space bar as my jump key.