Updates to Minecraft 1.21.4. There were very few changes except for the picking item functionality when getting a map from an image in creative.

In this release, they added a second packet for picking items from entities that seems to replace the other packet. They didn't remove the other packet, but seemed to have stopped using it when picking items in creative.

Using the new packet, it's much more difficult to identify the exact item. Therefore, every feature is restored except for picking the same item if you already have it in your inventory; instead you'll get duplicates as you continue to pick items from the same section of an image. Some may see this as a feature