An announcement by Blizzard indicates that Bullions will continue to drop during the Pre-Patch event and the current cap on Bullions will be resolved.
Originally Posted by Linxy (Official Post)
We identified an issue that caused Antique Bronze Bullion to become discontinued early unintentionally. Bullions will begin dropping again with the next weekly reset, allowing players to get the one they would have missed (the 13th) as catch-up, alongside the regular 14th Bullion. After this reset, Bullion will continue to drop each week until the War Within launches.Thanks for the reports!
