According to developer Psyonix

[xingwang]

According to developer Psyonix, the Rocket League community’s a lot of requested affection is cellophane goalposts. To an casual amateur like myself, it seems faintly ridiculous, but to added invested or accomplished players, it could accomplish a cogent difference. Arise the next update, they’ll be added to Rocket League Items the game.

“Transparent Goalposts will add accurateness to the goals, goalposts, and specific pieces of the Amphitheatre wall,” A blog column from Psyonix explains. “More specifically, you will anon be able to see through locations of the Amphitheatre that were avant-garde solid structures (depending on your position and camera view). If arresting in-goal, for example, the posts and walls about you will become cellophane for bigger vision. The aloft goes for players who hug Amphitheatre walls on breach or defense, because the quarterpipe will be apparent as well.”