Blizzard has released Hotfix 2 for Diablo 4 Patch 1.5.1. This Hotfix prevents items from disappearing during the Avarice, The Gold Cursed encounter while March of the Goblins is active.
Additionally, Rare and Magic items will no longer drop in World Tiers III and IV.
Diablo 4 Patch 2.0 Patch Notes All Runewords Coming to Diablo 4
Total items dropped remains unchanged.
Crafting material drop chance reduced, but amount of materials in each drop has been increased. Additionally, piles have been consolidated.
Elixirs will no longer drop.
These changes affect all treasure goblins, not just March of The Goblins spawns.
Various performance and stability improvements.
.