Bren Esports has announced today on their Facebook page that 3 of their main players for Mobile Legends Bang bang are taking a separate path.
Yuji, Haze, & Teng are all part of the original Aether Esports before they became part of the Bren Esports Roster. They have been together since Season 1 until Season 4.

Haze is reportedly going with SGD while Yuji and Teng are currently a free agent.
Shuffling players are common every season as team owners are trying to find the best fit for their organization. The reason for their departure is unknown.