Cops spit (and other projectiles) go through blocks/entities

Windows OS

Fresh game

Mods: Dishong Tower challenge

EAC off


For a number of alphas now, I've noticed projectiles going through blocks and entities. These include:
- Arrows/bolts going through zombies. (You can visible SEE the projectile phase through them).
- Rockets going through terrain and zombies. (Rockets aimed down towards the ground from an elevated position and phasing through the ground).
- Molotovs exploding in your hand as soon as they're thrown when there's too many entities in the world.
and finally, the big one:
- Cop spit going through blocks that are considered 'solid', these include 1/2 cubes(concrete) , centered 1/4 blocks(concrete) and full cubes(steel).

Video evidence of 3 instances of cop spit going through SOLID blocks
- https://clips.twitch.tv/AstuteCloudyLouseTF2John-wt1OFtaLGKEoeMa6
- https://clips.twitch.tv/StormyIgnorantMeatloafTriHard-mraOSO_0P0drMj2k
- https://clips.twitch.tv/SassyPhilanthropicTomatoSoBayed-Zyo5-B2K86NWEqYM

Please feel free to watch these videos at 25% speed.

The mod being used (Dishong Tower Challenge) doesn't touch collision detection or anything of the sort.