Mojang states that its ongoing effort to bring Vibrant Visuals to the Java Edition will mandate a change that players should note down.
If VirtualBox stuck on Saving state, your machine is in the hung state. Kill the VM via the Command Prompt, disable Core Isolation/Memory Integrity, etc.
Check out this article to learn all about Minecraft moving its graphics API from OpenGL to Vulkan and what is it in for the ...