One of the more intriguing new features introduced in iPadOS 26 for iPad is the optional windowed app mode for multitasking.

Basically it sync whatever entity component you want with GPU data to perform instanced rendering. As a result all entities with same Material can be rendered with single drawcall.

voxul is a voxel system and editor tool for Unity 3D. This project consists of both a runtime framework for handling and rendering voxel data, and an editor tool for painting and modifying voxel data ...