In the 1.21.5 version of itemscroller downloaded from modrinth on June 15th, 2025, using the crafting recipe to zoom out a map crashes the game. Shift clicking the items into the crafting table allows them to be put in without a crash, but attempting to craft the zoomed out map will just delete the items. Maps that were zoomed out without itemscroller enabled remain stable after downloading the mod. I have deleted mods one by one and isolated itemscroller as the cause for certain. Additionally, I have tested saving the recipe and crafting it that way. In this case, the craft just fails, and the items are put back into the inventory. This bug is not present in the 1.21.4 version of itemscroller.

The crash preview is:
"The game crashed: mousereleased event handler
Error: java.lang.IllegalArgumentException: Failed to hash minecraft:map_post_processing=>SCALE: Component of type minecraft:map_post_processing is not encodable", exit code: -1

Full Crash Report:
crash-2025-06-15_12.51.51-client.txt