Jay Peters is a senior reporter covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme.Meta is making improvements to its Roblox-like social platform Horizon Worlds, with the biggest upgrades being the introduction of a new game engine with better graphics as well as the Meta Horizon Studio to help creators to make custom in-game experiences.Meta Horizon Studio is an editor that lets creators make VR worlds. Creators can already use generative AI to...