Yes, scrolling with the arrow keys does nothing for several presses, then jumps, then acts normally, then jumps again. Really stupid and annoying. Also, Alt-Le

Yes, scrolling with the arrow keys does nothing for several presses, then jumps, then acts normally, then jumps again. Really stupid and annoying. Also, Alt-Left Arrow doesn't return me to the previous page (Hacker News) and I have to use my mouse.