Hah the arena proportions Yeah it's been known, the arena in game is not whatsoever the final arena, it's a very old design we've just kept using because of the focus on throwing and multiplayer features, after the game mode is implemented and we feel comfortable with the gameplay feel of the player and the gamemode, we'll turn onto making the environment feel more gameplay friendly
Same thing with the Chicago's in goal, it's a networking bug as we need to smoothen out, one of the things needing to be fixed. However it's not a single bugfix thing, it's a networking overhaul that needs to be worked on and it's something we are working with!