Minecraft lag when opening inventory
Olivia Carter
Published Mar 30, 2026
Install the latest Java 32-bit.Install the latest Java-64-bit, if possible. (ALWAYS instal 32-bit first, because without it you …Allocate more RAM to Minecraft. I honestly have no idea how to do this on a Mac, but i’m …Install Optifine. It does more than graphics now,…
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Bug: Slight freezing/lag/delay when opening inventory or whilst crafting. Can also happen while equipping armor or taking it off in the inventory. The likely cause seems to be having too much information for the inventory to manage, and not enough optimization.
Opening inventory while a Mk2 Crafting stump is placed causes lag spike #1531 Closed vadis365 mentioned this issue on Apr 24, 2018 Severe Delay when opening GUIs #1675 Closed artdude543 closed this on Apr 24, 2018 lock bot locked as resolved and limited conversation to collaborators on Jul 10, 2018
This happens because InventoryCloseEvent is fired before the inventory actually closes to allow cancelling. So you were trying to open another inventory while one was already open causing the event to fire infinitely in a loop. Adding a delay of 1 tick prevents this. Glad to see you solved it yourself already.
I had the same problem that my game just lagged out for 1-2 seconds after opening any inventory (chests, machines, my inventory, etc.). Try switching from the twitch launcher to MultiMC and download and install your pack there.
The lag lasts for about 5 seconds most of the time, though its lasted as long as 20 seconds, and it gets especially bad if I open my inventory just for a moment (say, accidently) and immediately close it again. Its gotten to the point where I will plan my actions in advance to minimize the number of times I need to open up an inventory.
[PO2]Lag spikes when opening inventory. I just started playing Project Ozone 2, and have problem with lag when opening inventory. After every lag spike tick.keybord and sound on pie chart gets larger and if I spam inventory button they increase from 4% to 20-40%. Does anyone know what could be causing it?
Fixing Minecraft lag when opening inventory in just easy steps: Step One: Get rid of all those other applications running in the background by going through each taskbar icon one at a… Step Two: Make sure your computer is on a power-saving or balanced plan to make the most out of what you have and …
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How to fix Minecraft lag on Windows 10?
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Why does my inventory take so long to load?
Having shulker boxes with items in it seems to also cause the problem, with more items = more delay. It mostly seems that the inventory has trouble managing excess amounts of information. I hope i’ve provided enough information.
Why does my inventory freeze when I open it?
Bug: Slight freezing/lag/delay when opening inventory or whilst crafting. Can also happen while equipping armor or taking it off in the inventory. The likely cause seems to be having too much information for the inventory to manage, and not enough optimization.
