Incorrect. Not a duplicate, this addresses issues from the sides whereas 2340 does not. Even if this is a dupe of some comment, 2340 does not cover the fact that 1 tick pulses are not accepted on the side. This is an important issue. The 1-tick NOT and AND gate that made it to the front of r/redstone no longer work.
This is very important, IMO. I had a machine that halved (rounding down) the amount of a specific item put in into points. And it did so as fast as the hoppers could send out items. So input 64 coal in the coal specific machine and get 32 points to your specific scoreboard, yet now, the more realistic situation is: Put in 64 coal and get 36 points. This is highly concerning. It uses a clock that repeats every 8 Redstone Ticks (16 In-Game) which was perfect for the duration of a hopper sending out 2 items, but now, with a need for 9 (18), an odd number of Redstone ticks, it is rendered useless and not fixable within the space provided. I have tried decreasing the clock by a tick (which is doubled by the clock) which results in 28 points being given. This proved the need for an additional redstone tick (which is the result of two half ticks). So, not to drone on anymore, I believe this is an important issue to fix in the future.